| RFC : | rfc6385 |
| Title: | |
| Date: | October 2011 |
| Status: | INFORMATIONAL |
Internet Engineering Task Force (IETF) M. Barnes
Request for Comments: 6385 Polycom
Category: Informational A. Doria
ISSN: 2070-1721 Research Consultant
H. Alvestrand
Google
B. Carpenter
University of Auckland
October 2011
General Area Review Team (Gen-ART) Experiences
Abstract
The General Area Review Team (Gen-ART) has been doing reviews of
Internet-Drafts (I-Ds) since 2004. This document discusses the
experience and the lessons learned over the past 7 years of this
process. The review team initially reviewed the I-Ds before each of
the IESG telechats. Since late 2005, review team members have been
assigned to review I-Ds during IETF Last Call, unless no IETF Last
Call is necessary for the I-D. The same reviewer then reviews any
updates when the I-D is placed on an IESG telechat agenda.
Status of This Memo
This document is not an Internet Standards Track specification; it is
published for informational purposes.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Not all documents
approved by the IESG are a candidate for any level of Internet
Standard; see Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc6385.
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Copyright Notice
Copyright (c) 2011 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction ....................................................2
2. Who Are the Gen-ART Members? ....................................3
3. Goals of Gen-ART ................................................3
4. Gen-ART Reviews .................................................4
4.1. IETF Last Call Review Process ..............................4
4.2. IESG Telechat Review Process ...............................5
4.3. Form of Review .............................................5
4.4. Gen-ART Process Overview ...................................8
5. Secretarial Process ............................................10
5.1. Maintaining Review Spreadsheet ............................10
5.2. Last Call Assignment Procedure ............................12
5.3. Telechat Assignment Procedure .............................13
5.4. Capturing Reviews .........................................14
6. Results ........................................................14
7. Impressions ....................................................15
7.1. Reviewers' Impressions ....................................15
7.2. General Area Directors' Impressions .......................17
7.3. Gen-ART Secretaries' Impressions ..........................18
8. Needed Improvements ............................................18
9. Applicability ..................................................20
10. Security Considerations .......................................20
11. Acknowledgments ...............................................20
12. Informative References ........................................21
1. Introduction
The General Area Review Team (Gen-ART) was created personally by the
General Area Director in 2004. This document discusses the
experiences and the lessons learned as the process has evolved over
the past 7 years. The process described in this document reflects
that which was in place at the time this document was published.
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This process is likely to continue to change over time. The review
team has been retained by subsequent General Area Directors. It has
no official role in the IETF standards process, except as a set of
individuals entitled, like everyone, to comment on Internet-Drafts
(I-Ds). Its volunteers, including a secretary and the team of
reviewers, serve at the invitation of the General AD. Both the
reviews and the reviewer names are public.
2. Who Are the Gen-ART Members?
The reviewers are typically individuals that have a fair amount of
experience within various IETF Working Groups (WGs), have authored WG
I-Ds and RFCs, and are often considered to be subject matter experts
(SMEs) in their particular areas of work. The current review team is
comprised of such technical experts, including several WG chairs as
well as past and current Internet Architecture Board (IAB) members.
Several past and current ADs have served as reviewers. Two past
General ADs have also served as reviewers, with one currently
serving.
Members of the review team sometimes excuse themselves from the team
for various reasons, typically due to "day job" demands. However,
they often rejoin (for periods of time) as their schedules allow.
Also, some reviewers remain on the team, while their review workload
is decreased by assigning them just one I-D (at Last Call time) to
review each month. Section 11 provides a list of currently active
reviewers, along with those who have served on the review team in the
past.
3. Goals of Gen-ART
The original and continuing goal of the Gen-ART was, and is, to
offload from the General AD some of the burden of IESG reviews. The
load for the bi-weekly IESG reviews is often quite large;
occasionally, there are more than 20 I-Ds scheduled for discussion in
a single telechat. Thus, ADs also have less than a week's notice for
many of the I-Ds on the telechat agenda.
Gen-ART was based on a model that had proved productive in the
Operations (OPS) Directorate: quick review close to telechat time, to
advise the AD on issues that remain serious. By having a trusted
group of reviewers read and evaluate the I-Ds, the General AD would
be able to concentrate on those I-Ds where there was a concern
expressed by the reviewer. The reviewers are expected to provide
feedback based on a whole set of criteria, including the criteria
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summarized in Section 4.3. The overall objective is to ensure that
the I-Ds are well structured; can be easily understood, at least at a
high level; and provide a reasonable basis for implementation (for
I-Ds intended for the Standards Track).
While other area (and WG) directorates/review teams existed prior to
Gen-ART and more have been established since Gen-ART, the roles of
each are fairly distinct. Thus, there is little overlap between the
goals and review criteria for the various review teams. It is also
very valuable for these other review teams to operate independently.
For example, when both Gen-ART reviews and Security Directorate
(SecDir) reviews raise the same sorts of concerns, it's a clear red
flag that the I-D needs more work before progressing. In addition,
due to the typical thoroughness (and objectiveness) of the various
review teams' reviews, the sponsoring AD and document shepherd are
often able to work with the editors/WG (and vice versa, depending
upon area and WG structure) to improve the overall quality of the
final I-D. It should also be noted that some ADs take the Gen-ART
reviews into consideration when preparing their own evaluations.
Statistics from the Gen-ART reviews over the past 6+ years show a
trend of increased quality and readiness for progression of I-Ds by
the time they are placed on the telechat agenda. Additional
statistics are discussed in Section 6.
4. Gen-ART Reviews
4.1. IETF Last Call Review Process
While the original process was meant only for reviews just before the
IESG telechat, the decision was made to include IETF Last Call (LC)
reviews in early 2005. Over time the latter has proven to be quite
effective. Assigning the I-Ds at IETF LC time typically gives a
reviewer more time to review an I-D. And, in some cases, the IETF LC
version is the one to appear on the telechat. Thus, by the time I-Ds
are added to the telechat agenda, a majority (typically at least 70%)
have already been reviewed. For those I-Ds that have been
up-versioned, the amount of time dedicated to re-review depends upon
the review summary for the IETF LC review.
The assignments at IETF LC time evolved to minimize the gap between
LC announcements and assignment time, with the secretary doing LC
assignments every Thursday night. This typically allows the reviewer
at least one week and sometimes two to three weeks to complete the
review. The reviews are obviously most helpful when done on or
before the end of the IETF LC.
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The Last Call assignments are done on a fairly strict round-robin
basis to ensure a fair workload amongst all the reviewers. Reviewers
that are unavailable (vacations, etc.) during the review period
timeframe obviously are excluded from that round of assignments, but
remain in the same queue position for the next round. The order is
occasionally modified to avoid assigning an editor/author or WG chair
their own I-Ds. A reviewer may also NACK an assignment if they feel
they may have some bias (although corporate affiliations are not
considered to be sources of bias) or they don't feel they can review
the I-D in a timely manner.
The assignment process is completely manual, although a spreadsheet
tremendously facilitates the process. The details are described in
Section 5. Ideally, this process could be automated. However,
manual intervention would still be required to maintain the
appropriate available reviewer list (unless reviewers took on the
task of maintaining their data in some sort of database). Further
details on the tools necessary to automate the entire process are
provided in Section 8.
4.2. IESG Telechat Review Process
The process for reviewing I-Ds when they appear on the IESG agenda is
as follows:
o The "nearly final" IESG meeting agenda generally appears on
Thursday night, less than one week before the IESG telechat. The
Gen-ART secretary uses this as the input for the assignment
process.
o For I-Ds reviewed at IETF Last Call, a new review is only asked
for if the I-D is revised. In this case the reviewer, typically
the person who did the Last Call review, only needs to check that
any open issues were resolved. Often the draft will not have
changed between IETF LC and the IESG telechat review. Section 4.4
provides the step-by-step telechat review assignment process, with
specific details on the maintenance of the review assignment data,
which is in turn maintained in review spreadsheets (Section 5).
4.3. Form of Review
Rather than invent new guidelines, the Gen-ART requirements for the
form of a review stole liberally from "Careful Additional Review of
Documents (CARD) by Senior IETF Reviewers (SIRS)" [SIRS], making
adaptations for the special "late, quick review" case and the nature
of the General Area's concerns.
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Each review must start with a summary statement chosen from or
adapted from the following list:
o This draft is ready for publication as a [type] RFC, where [type]
is Informational, Experimental, etc. (In some cases, the review
might recommend publication as a different [type] than requested
by the author.)
o This draft is basically ready for publication, but has nits that
should be fixed before publication.
o This draft is on the right track but has open issues, described in
the review.
o This draft has serious issues, described in the review, and needs
to be rethought.
o This draft has very fundamental issues, described in the review,
and further work is not recommended.
o Unfortunately, I don't have the expertise to review this draft.
The length of a review can vary greatly according to circumstances,
and it is considered acceptable for purely editorial comments to be
sent privately if it's obvious that the I-D needs substantial
revision. All substantive comments, however, must be included in the
public review. Wherever possible, comments should be written as
suggestions for improvement rather than as simple criticism.
Explicit references to prior work and prior IETF discussion should be
given whenever possible.
Reviewers are asked to review for all kinds of problems, such as
basic architectural or security issues, Internet-wide impact,
technical nits, problems of form and format (such as IANA
Considerations or incorrect references), and editorial issues. Since
these reviews are on I-Ds that are supposed to be finished, the
review should consider "no issue too small" -- but should cover the
whole range, from the general architectural level to the editorial
level.
All reviews should apply generally agreed-upon IETF criteria,
such as:
o [RFC1958]: "Architectural Principles of the Internet"
o [RFC3426]: "General Architectural and Policy Considerations"
o [RFC3439]: "Some Internet Architectural Guidelines and Philosophy"
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o ID-Checklist: The "ID checklist" document maintained by the IESG
o [RFC2223bis]: "Instructions to Request for Comments (RFC) Authors"
as updated by [RFC-STYLE]: "RFC Document Style"
o [RFC5226]: BCP 26 - "Guidelines for Writing an IANA Considerations
Section in RFCs"
o [RFC3552]: BCP 72 - "Guidelines for Writing RFC Text on Security
Considerations"
o Any other applicable architectural or procedural documents. It is
considered important that reviews give precise references to such
criteria when relevant to a comment.
Of special interest to the General area, because they do not fall
under any other area, are:
o A clear description of why the I-D or protocol is useful to the
Internet.
o Adherence to IETF formalities, such as capitalized "must",
"should", etc. in normative statements, per the ID-Checklist.
o Useful and reasonable IANA considerations. Ensure that all
necessary registries are defined/referenced, and ensure definition
and compliance with IANA assignment criteria.
o Correct dependencies for normative references.
o That the I-D is written in reasonably clear English.
o Checking the updates/obsoletes information.
o Running idnits and checking the output.
o Checking that things imported by reference, especially from other
RFCs, make sense (notably definitions of terms, security
considerations, and lists of criteria) and ensuring they are used
as intended by the referenced document.
o That examples (e.g., Fully Qualified Domain Names (FQDNs),
telephone numbers, IP addresses) are taken from the right spaces.
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4.4. Gen-ART Process Overview
The following provides a general overview of the Gen-ART process
along with some basic rules associated with assignments. The very
precise details of the secretary's process are provided in Section 5.
o The availability of reviewers and the order of assignments for the
next round of Last Call document assignments are updated weekly
and are available on the directory where all the assignments and
reviews are cached.
o At telechat assignment time, all previously reviewed I-Ds are
assigned to the reviewer who reviewed them previously, assuming
that reviewer is available. Otherwise, these I-Ds are assigned to
a new person in the process described below.
o The secretary attempts to avoid assigning I-Ds that might conflict
with other IETF roles such as WG chairs, other directorates, etc.
However, in the cases where the secretary doesn't note the
conflict, the reviewer should notify the secretary and Gen-ART
mailing list so another reviewer may be assigned.
o It should be emphasized that assignment is never made according to
a reviewer's technical specialty. Even though it happens, when,
for example, routing I-Ds fall on routing experts or MIB documents
fall on MIB doctors, it is coincidental. To the reviewer, the
choice looks random.
o There is an attempt to evenly distribute I-Ds amongst reviewers at
LC time by using a round-robin process, starting from where the
previous week's assignments stopped.
o Typically, there is no attempt made to actually equalize the load,
as the length and complexity of the I-Ds are not taken into
account in this process. (Thus, a reviewer could end up with a
couple of hundred-page I-Ds, but this is statistically rare.)
However, in the case of a reviewer that might receive more than
one new LC I-D at one time, the secretary does try to ensure that
both are not large I-Ds.
o Once the assignments are made, the web pages that list the reviews
and the assignments are posted. Since the telechat agenda is not
published until the end of the day on the Thursdays prior to the
telechats (i.e., one week prior), the secretary needs to complete
the assignments on that Thursday evening. This often requires
working later in the evening and also requires an Internet
connection even when traveling.
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o If the reviewers notice any problems or conflict of interest, a
bargaining process, shifting I-Ds from one reviewer to another,
takes place. The secretary updates the assignment files with any
new assignments.
o Once the review has been completed, the reviewer sends the review
to the Gen-ART list, ideally using the template provided in the
review assignment emails. Typically, reviews are also sent to
authors, the responsible AD, and the WG chairs/document shepherd.
The only case where this might not be done is when there are no
issues found for a re-review and none had been found on an initial
review. Sending the review to the authors, ADs, and/or WG chairs/
Proto Shepherds was originally voluntary but is now considered
standard practice. Reviewers may also send the reviews to the
IETF discussion list, but that is entirely at the discretion of
the reviewer, in which case the author must be copied on the
review to ensure they see any follow-up discussion. Reviewers may
also send the comments to the WG; however, this typically causes
the review to end up in the moderation queue, as most reviewers do
not want to subscribe to the WG lists for the I-Ds they review.
Thus, it is expected that any of the original recipients (i.e.,
authors, WG chairs/document shepherd, or responsible AD) may
forward the review to the WG mailing list if they believe it is
necessary. In the past, sending these reviews resulted in
confusion among the authors, who may not have been expecting a
Gen-ART review and may not be familiar with Gen-ART. Thus,
reviewers are reminded to prepend to the email the description of
Gen-ART and the purpose of the review. This information is part
of the standard template provided in the review assignment emails.
o The secretary gathers the reviews, sometimes edits them for
format, and records the review in the spreadsheet on the web
pages, including the synopsis. This is typically done on
Thursday. This is one aspect of the process that can be easily
delegated such that one volunteer uploads all the reviews and then
the secretary need only update the fields in the spreadsheet. If
the reviewer has not provided a synopsis ("Summary" field in the
template), the secretary makes a best guess based on the review
details. Note that in most cases the reviewers do include a
synopsis.
o Ideally, the reviews should be posted to the Gen-ART mailing list
by close of business on the East coast on Tuesday. This is
necessary to allow the General AD time to consider the reviews
prior to the telechat. If the reviews are received after Tuesday,
the review may not be read by the AD before the IESG telechat.
Due to time constraints, the spreadsheets containing review
summaries/assignments are only updated on Thursday evenings when
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the new LC assignments and upcoming telechat assignments are done.
Ideally, the reviews would get uploaded on the Tuesdays prior to
the telechat along with the updated spreadsheets.
o If the AD concludes that the concerns raised by the reviewer
warrant placing a DISCUSS comment on the I-D, the AD will do so,
and the DISCUSS must be resolved before the I-D advances.
Usually, the reviewer will be involved in the resolution process,
but the responsibility for the DISCUSS rests with the AD.
5. Secretarial Process
This section summarizes the details of managing the review materials,
including the spreadsheet used to track all reviews and the HTML
files containing the review assignments. Please note that these
details represent a snapshot of a process that has been implemented
-- the details are very likely to change over time, in particular as
the needed improvements highlighted in Section 8 are carried out.
5.1. Maintaining Review Spreadsheet
A spreadsheet is used to enter all the I-Ds at the time of assignment
and to capture all the reviews. For IETF LC assignments, the
assignments are completed before adding the I-Ds to the spreadsheet
as described in Section 5.2. For telechat assignments, I-Ds are
obviously only added in the cases where there is no previous LC
assignment. For the other I-Ds, the appropriate fields are updated
as described in Section 5.3.
All the reviews can be accessed from the spreadsheet via hyperlinks
from specific fields, as summarized below. The following information
is maintained in the spreadsheet (in the order listed):
1. "Chat/LC Date": Indicates either the date on which the LC review
is due or the date of the telechat.
2. "Document": Filename for the I-D, which includes a hyperlink to
the IETF I-D tracker.
3. "Assigned": Name of the reviewer assigned to that I-D.
4. "Category": This field contains one of the following self-
explanatory values: "Doc - WG", "Doc - Ind/AD", or "IETF LC".
Note that Gen-ART does not review I-Ds submitted directly to the
RFC Editor. The "IETF LC" value is of course entered for all
I-Ds at LC time. It is changed to one of the other appropriate
values, based on the information in the telechat agenda.
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5. "Previous Review": This includes a link to any previous reviews.
For example, when a doc appears on a telechat agenda, if an IETF
LC review was done, this field is updated with the review summary
for the LC review (i.e., the information from the "Current Review
Summary" as described below is copied to this column). The field
is set to "New" when an I-D is first assigned/added to the
spreadsheet. In the case of returns, this field has a value of
"Return" or "Return/IETF-LC" for I-Ds for which there is an LC
review. It should be noted that since Gen-ART started doing
reviews at LC time, there seem to be far fewer returns on the
agenda.
6. "Current Review Summary": This field includes the review type and
version number of the document that is to be reviewed or has been
reviewed (e.g., LC: -02). When the field also contains a review
summary after the review type/version number (e.g., Telechat: -06
Ready), the active hyperlink points to the review. Occasionally,
a reviewer will re-review an I-D prior to its telechat
assignment, in which case it is added to the spreadsheet, but the
date does not change to maintain consistency in the date field,
since the reviews themselves contain the review date.
The following summarizes the steps to add a new I-D to the
spreadsheet:
1. In order to optimize steps, blank rows are first inserted for the
number of new I-Ds to be added.
2. To minimize data entry, a row with default fields (including the
hyperlinks) is kept at the end of the file. There is a separate
default row for IETF LC versus telechat assignments. This row is
copied into each of the new blank rows. The dates are then
entered (this allows double-checking that all I-Ds from the
review assignments are accounted for, especially LC).
3. The I-D name is then copied to the name field as well as being
appended to the hyperlink for the "Review Summary" field. The
hyperlink is included as part of the default row. This minimizes
the steps to enter the reviews in the spreadsheet.
4. The data is also sorted by "Chat/LC Date", "Assigned", and
"Document". The file is then saved and closed.
5. The file is then reopened and saved as HTML.
6. The file is opened a second time and sorted by "Assigned",
"Chat/LC Date", and "Document" to provide the I-D reviewers an
easy way to find any outstanding assignments.
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5.2. Last Call Assignment Procedure
The secretary can cache the Last Call assignments as they are
announced and/or check the IETF announcement mailing list archives.
The assignments are done on Thursday evening, along with any telechat
assignments. This optimizes the process in terms of batch changes to
files.
The assignments are listed in an HTML file. The following are the
steps in creating that file:
1. The order of assignment is actually created the week before, with
the details below. Thus, before starting the new assignments,
the current file is saved for editing for the following week.
The current file-naming convention is "reviewersyymmdd-lc.html"
(e.g., for July 8th, 2010, the file reviewers100708-lc.html was
created, and the file for the following week is named
reviewers100715-lc.html).
2. Since the file is already prepared with the appropriate ordering
of reviewers, the assignments are done in the order of due dates.
The link to the I-D in the Datatracker is copied into the
assignment file along with the intended RFC status for each of
the new LC I-Ds.
3. The "Due Date" paragraph from the Last Call announcement is
shortened as follows: "IETF LC ends on:", keeping the date.
4. Once the assignment file is complete, the new I-Ds are added to
the spreadsheet as described above.
5. The assignment file for the next week is then updated to reflect
the next reviewer in the round-robin process, by simply cutting
and pasting the names in the list in a block and removing any
"one doc per month" reviewers (annotated with an "*") that have
already received their monthly assignment. If the next round of
assignments occurs at the beginning of a new month, the "one doc
per month" reviewers are added back into the list (in the normal
order -- alphabetically by first name).
6. The assignment files and updated spreadsheets are then cached on
the Gen-ART server.
7. An email providing a link to the assignment file along with the
updated spreadsheets is sent to the Gen-ART mailing list. This
email has a standard form, such that the reviewers can simply cut
and paste the template to include the Gen-ART context statement
and link to the FAQ.
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5.3. Telechat Assignment Procedure
Since LC assignments are now the starting point for Gen-ART I-D
reviews, the telechat assignments are generally straightforward, as
the majority of the I-Ds are already in the spreadsheet. The
following details the steps:
1. The telechat agenda is typically available around 6PM PDT. In
order to create the assignment HTML file, the agenda is created
from the email announcing the upcoming telechat agenda. The
filename has the following format, with the date corresponding to
the telechat date (versus the date of assignment, as is the case
for Last Call assignments): "reviewersyymmdd.html".
2. Rows are added to the agenda for the reviewers' names.
3. The reviewers' names are then added to the weekly assignment
file.
4. As each reviewer is added to the assignment file, the review
spreadsheet is updated as follows:
* "Chat/LC Date" is changed to the telechat date.
* The link to the LC review, if available, is copied as the link
for the "Previous Review" column.
* The "text" for the "Current Review" is updated to reflect the
new review type (i.e., Telechat) and version.
5. In the case of an I-D that did not go through IETF LC, a reviewer
is assigned using the order in the file to be used for Last Call
assignments for the next week.
6. Once the reviewer(s) have been determined, the LC assignment file
for the next week is updated.
7. Any new I-Ds are then added to the spreadsheet (and the updates
saved) per the steps described in Section 5.1.
8. The assignment files and updated spreadsheets are then cached on
the Gen-ART server.
9. An email providing a link to the assignment file along with the
updated spreadsheets is sent to the Gen-ART mailing list. This
email has a standard form, such that the reviewers can simply cut
and paste the template to include the Gen-ART context statement
and link to the FAQ.
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5.4. Capturing Reviews
As noted in Section 4.4, the spreadsheet is typically updated with
the review summaries on Thursday evenings just prior to entering the
data for that week's LC and any telechat assignments. The following
summarizes the steps to capture the reviews:
1. Currently, an additional volunteer is assisting the secretary in
caching the email reviews as they arrive.
2. In the cases where the review is included inline in the body of
the email, the review is cut and pasted into a text file and
saved with the reviewer's last name appended to the filename --
e.g., draft-ietf-xyz-00-smith.txt.
3. In the case where the review is included as an attachment to the
email, the file can be directly saved and uploaded.
4. The volunteer uploads the reviews by around 5PM CST on Thursdays;
thus, they are available to the secretary at the time that week's
assignments are done. This sequence is necessary to ensure the
information for I-Ds on the upcoming telechat is up to date.
5. The review summary is entered into the "Current Summary" field.
Note that the hyperlink to the review (added at assignment time)
will automatically work when the file is uploaded.
6. Once all the reviews have been entered and the spreadsheets
formatted, the review spreadsheet is saved and files uploaded per
the last three steps in Section 5.1.
6. Results
Over the past 7 years, the Gen-ART has provided reviewing services to
3 ADs and has done around two thousand publicly available reviews.
The reviews have been executed with a team of around a dozen full-
time reviewers and other reviewers receiving one I-D assignment each
month. There are currently 9 reviewers in the latter category. The
full-time reviewers receive 2-3 assignments each month. In terms of
improving quality, the number of I-Ds that are now "Ready" at the
time of the telechat (since the reviews are now initiated at LC time)
has increased. The review term "Ready" means the reviewer believes
that the document has no outstanding editorial or technical issues.
Based on the data from 2007, there were over 250 I-Ds assigned at LC
time that went through IESG review. Of those 250 I-Ds, 82% of the LC
reviews (205 I-Ds) were completed. Of the completed reviews, 70%
(144 I-Ds) were "Ready" at the time of the telechat. Of those 144
I-Ds, roughly 1/4 had been deemed "Ready" (with no nits) at LC time
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(based on a sample of 50 reviews). For the I-Ds that were not
reviewed at LC time, only about 1/4 of those were deemed "Ready" when
they were reviewed for the telechat. So, doing the Gen-ART reviews
at Last Call time does seem to improve the quality of the I-Ds for
the telechat.
7. Impressions
This section is divided into 3 subsections: the impressions as
gathered from the Gen-ART, the impressions of the ADs for whom they
worked, and the impressions of the secretaries of Gen-ART.
7.1. Reviewers' Impressions
The following list of comments are excerpted and edited from comments
sent in by the reviewers of Gen-ART in response to the request:
"We'd like to ask you each to write a few lines about your personal
experience and lessons learned as a Gen-ART reviewer".
o We really do find problems, but we don't find problems with
most I-Ds.
o Comments seem to be in three areas: editorial/grammar, editorial/
what-the-heck-does-this-mean, and actual problems. I'm seeing
fewer reviews in the first category, which is a good thing.
o It is becoming rarer that we hear back "these guys have suffered
enough; I'm voting no objection" (I'm remembering an LDAP I-D that
had been around so long it had 2119 referenced AS A DRAFT -- some
people suffered a lot).
o The direct assignment of reviews is necessary and effective. It
does not matter much as far as I can tell what scheme is used to
actually do the assignment.
o Folks are very open to the reviews that come out of Gen-ART. This
somewhat surprised me, because I have seen resistance to outside
reviews in other cases.
o The improvements that have come about (for example, one of my
latest, an I-D about the SIPPING conference) have made a big
difference to the comprehensibility and usability of the I-Ds --
and provide a useful incentive to keep going.
o Some form of review like this is desperately needed. While most
of the stuff we see is good, every once in a while really bad
errors have made their way all the way to IESG vote.
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o Reading this stuff is interesting. I like having a reason to read
a wide range of materials.
o I am more than convinced that this can be, and is, a valuable
process. It is, in my opinion, a pity that Senior IETF Reviewers
(SIRS) and so on did not take off, because this late-stage
reviewing is a poor substitute for doing the same thing at a much
earlier stage. Very few of the drafts that have come past my
screen are truly fully ready for IESG review. It is actually a
joy to find the occasional nugget that is both well written and is
a proper technical job, such that the reviewer really can say
"This is ready".
o I have certainly found the process intellectually stimulating! It
encourages me to take a wider interest in what is going on in the
IETF, but consumes a fair bit of time to do a proper job, and
requires a very wide knowledge to be able to properly catch the
cross-area implications: I hope (believe!) that this is something
that one gets better at with experience and doing a few of these
reviews.
o There is probably a very limited pool of people who have both the
time and the inclination to keep on doing these reviews. It does
require a fair bit of dedication.
o It is difficult to avoid correcting the English, even if that is
not really the point: Often, really bad English (whether as a
result of non-mother-tongue authors with limited grasp or mother-
tongue authors using informal language) obscures/corrupts what is
being said or just makes it impossible to read.
o Mostly authors welcome the comments: I think most of them
understand the concept of "ego-free reviewing", and we have
generally been constructive rather than destructive.
o Part of the job of Gen-ART is to think the unthinkable from
another point of view, to challenge (apparently undocumented)
assumptions, and apply experience from other fields.
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7.2. General Area Directors' Impressions
It should be noted that these impressions are from multiple General
Area Directors; thus, the "I"s are not necessarily associated with a
specific AD.
o It's essential. The reviewing load for the IESG <shout>DOES NOT
SCALE</shout>.
o Without Gen-ART, I would be a much less effective General AD.
o On a single fortnight example, the IESG had 21 drafts on the
agenda. It is just impossible (to conscientiously review all the
documents), and no wonder we sometimes miss serious issues.
o So I think a distributed review team with about 30 trusted
reviewers needs to be institutionalized. I suspect that will need
to be formalized in a BCP sooner or later -- with their reviews
having a formal position in the standards process, and the
expectation that the whole IESG truly reviews all I-Ds being
relaxed.
o We've learned that polite, well reasoned, constructive reviews are
very positively received by authors and WGs. Dismissive reviews
are counter-productive. And reviews sent in private eventually
show up in public, so it's better to go public at the start.
o Normally, LC reviews are available in good time for the draft to
be revised before reaching the IESG agenda. It is important that
this happens, except for an emergency situation where the
responsible AD has good reason to place the draft on the agenda
immediately. In that case, it would be preferable for the AD to
inform the Gen-ART, so that the review can be expedited.
o The other problem is a big detail -- between late Thursday or
early Friday when the secretary sends out the assignments, and
Wednesday when the General AD likes to start filling in ballots
based on the reviews received by close of business on Tuesday,
there are only three work days (plus possible volunteer time over
the weekend). Now even with only one I-D to review, that may be a
real challenge. Sometimes, a lucky reviewer will get 130 pages
(e.g., draft-ietf-nntpext-base-27). That doesn't compute.
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o There are some mechanical issues. The process followed is far too
manual. Everything needs to be robotic except for the judgment
calls about which reviewer gets which draft. Similarly, the
reviewer should be able to just paste the review into a web form,
click, and it's sent off to everyone appropriate and posted to the
review site.
7.3. Gen-ART Secretaries' Impressions
Serving as the secretary of Gen-ART is a worthwhile experience. From
a personal point of view, it gives the secretary an easy way to track
all of the work going through the IESG review process and see how the
work flowed through that process. Also, by reviewing and sometimes
creating the one-line abstracts that go on the review web page, the
secretary has an opportunity to really get a survey of the work being
approved by the IETF.
The nature of these reviews is informal, and originally the reviews
were only intended for the General AD, though they were made public.
During 2004, there was little if any interaction between authors and
reviewers. There was some discussion during 2004 about trying to
expand the role of Gen-ART to a more formal, early-review model,
i.e., to evolve it into a form of SIRS. The original Gen-ART
secretary was against such a transformation, because she felt it
would put at risk something that worked. She believed that there
were risks inherent in formalizing the reviews and adding mechanisms
for standardizing the resultant review process. Another concern
involves the interaction between reviewers and authors. As discussed
above, it has become the practice to send reviews to the authors with
an explanation about the nature of Gen-ART reviews. While it is
clear that this has resulted in improved RFCs, it has also resulted
in increased workload for the reviewers.
The secretary thinks that Gen-ART is an experiment that works well,
but she also believes it is fragile. The secretary is often
concerned about overburdening reviewers, and feels it is her
responsibility to keep them from burning out. Adding additional
reviewers to the review team would help to alleviate this concern.
In terms of the process, adding additional reviewers has minimal
impact.
8. Needed Improvements
The current size of the review team introduces a fairly heavy
workload for the individual reviewers that are not on the "one doc
per month" assignment cycle. Additional reviewers would be really
helpful to alleviate this workload. It is also important to note
that having additional reviewers adds minimal workload to the
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secretary's process; thus, the only blocking point is finding the
right folks that are interested in this type of volunteer role. As
noted in Section 7.2, 30 would be a good size for the review team.
This would cut the workload for an individual reviewer in half (given
the current model of 9 reviewers on the "one doc per month"
assignment cycle).
Obviously, automation of the process would be a good thing. However,
Gen-ART secretaries are not necessarily highly motivated to
transition to a more automated approach until a significant part of
the process is automated. In more recent consideration of this
situation, it likely would be best to first automate the process of
entering the reviews, as that benefits the review team as a whole.
This automation should allow the reviewers to enter the reviews via a
web interface that would automatically generate the appropriate
emails -- quite similar to how the draft "Upload" tool currently
works. Also, given consistent naming conventions for the review
forms, this step would automate some of the process for the
secretary, as the reviews would automatically appear via the
spreadsheet hyperlinks, although there would still be a need to
manually enter the summary. But this would eliminate the need to
edit/normalize and upload files and, hopefully, eliminate the problem
encountered with unflowed text in emails and getting the review
properly formatted using some text editors.
Section 5 was written to facilitate the process of determining tools
requirements, by providing the very detailed steps currently applied
to the process. As noted above, automating the upload of the reviews
could be a good first step. This is somewhat starting at the end of
the process. However, it seems that by automating in this direction,
we may have optimal results; since one of the earliest steps in the
process is the task of assigning reviewers, it likely needs the most
manual intervention, even with tools available.
The current SecDir secretary does use some tools for assignments and
generating assignment emails. These tools could be considered for
use by the Gen-ART secretary. Since the SecDir reviews are not
cached and the information maintained for those reviews is less
detailed, there would be no reusability of that aspect. However, if
the Gen-ART spreadsheet can be automatically populated (with
assignments and completed reviews), the SecDir may be able to make
use of that same tool.
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9. Applicability
As implemented today, the process has no formal role in the IETF
standards process. But as trust in the review team has built, and as
the team itself has learned to deliver reviews that are generally
well received, they have had a significant impact on I-D quality and
on timeliness. Rather than becoming a roadblock, they have (in
general) allowed the General AD to feel more confident in reaching
decisions and be more precise in resolving issues. Since reviews now
typically appear during IETF Last Call, the reviews, like the SecDir
reviews, are now generally expected. So, the role of the team has
evolved to be more formal than in the past (i.e., when this document
was first drafted in 2005). However, the handling of the reviews
remains entirely within the scope of the ADs, document shepherds, WG
chairs, and authors as they deem appropriate.
10. Security Considerations
Since this is an informational I-D about an open process, the
security considerations are specific to the process and users
involved in the process. The primary concern would be to limit the
people that have the ability to create and update the Gen-ART data/
files to ensure that the integrity of the data is maintained. For
example, each Gen-ART reviewer should have a unique user name/
password, just as folks do to access any other IETF-maintained data,
as appropriate.
11. Acknowledgments
Initial comments were received from the members of the Gen-ART, and
the experiences discussed in this document were derived from their
hard work over the last 7+ years. We thank the past reviewers of the
Gen-ART:
Mark Allman
Harald Alvestrand (creator of Gen-ART)
Ron Bonica
Scott Brim
Gonzalo Camarillo
Sharon Chisholm
Spencer Dawkins
Lakshminath Dondeti
Avri Doria (past secretary)
Pasi Eronen
Dorothy Gellert
Eric Gray
Avashalom Houri
Glenn Kowack
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John Loughney
Lucy Lynch
Enrico Marocco
Michael Patton
Stefan Santesson
Robert Sparks
Tom Taylor
Sean Turner
Christian Vogt
Suzanne Woolf
We also thank the current team of reviewers/secretary:
Mary Barnes (past secretary, 2005-2010)
Richard Barnes
David Black
Ben Campbell
Brian Carpenter (past General AD)
Elwyn Davies
Francis Dupont
Roni Even
Miguel-Angel Garcia
Vijay Gurbani (assisting secretary to upload reviews)
Wassim Haddad
Joel Halpern
Suresh Krishnan
Peter McCann
Jean Mahoney (secretary as of Jan. 2011)
Alexey Melnikov
Kathleen Moriarty
12. Informative References
[RFC1958] Carpenter, B., Ed., "Architectural Principles of the
Internet", RFC 1958, June 1996.
[RFC2223bis] Reynolds, J., Ed., and R. Braden, Ed., "Instructions to
Request for Comments (RFC) Authors", Work in Progress,
August 2004.
[RFC-STYLE] Braden, R., Ginoza, S., and A. Hagens, "RFC Document
Style", September 2009,
<http://www.rfc-editor.org/rfc-style-guide/rfc-style>.
[RFC3426] Floyd, S., "General Architectural and Policy
Considerations", RFC 3426, November 2002.
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[RFC3439] Bush, R. and D. Meyer, "Some Internet Architectural
Guidelines and Philosophy", RFC 3439, December 2002.
[RFC3552] Rescorla, E. and B. Korver, "Guidelines for Writing RFC
Text on Security Considerations", BCP 72, RFC 3552,
July 2003.
[RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing
an IANA Considerations Section in RFCs", BCP 26,
RFC 5226, May 2008.
[SIRS] Carpenter, B. and D. Crocker, "Careful Additional
Review of Documents (CARD) by Senior IETF Reviewers
(SIRS)", Work in Progress, June 2003.
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Authors' Addresses
Mary Barnes
Polycom
TX
USA
EMail: mary.ietf.barnes@gmail.com
Avri Doria
Research Consultant
Providence, RI
USA
EMail: avri@acm.org
Harald Alvestrand
Google
Kungsbron 2
11122 Stockholm
SE
EMail: harald@alvestrand.no
Brian E. Carpenter
University of Auckland
PB 92019
Auckland, 1142
New Zealand
Phone:
EMail: brian.e.carpenter@gmail.com
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