Internet DRAFT - draft-jilongwang-opsawg-nrc
draft-jilongwang-opsawg-nrc
opsawg WJL. Wang, Ed.
Internet-Draft MCC. Miao, Ed.
Intended status: Informational ZSY. Zhuang, Ed.
Expires: July 19, 2019 ZQL. Zhang, Ed.
Tsinghua University
CJF. Chen, Ed.
CETC
January 15, 2019
Framework for Network Resources Categorization
draft-jilongwang-opsawg-nrc-01
Abstract
This memo discusses and defines a framework for network resources
categorization that can identify and describe all the network to
assist network management. Now network resources have not been
systematically defined and classified. The objective of this draft
is to illustrate the applicability of framework for network resources
categorization through use cases, then discuss the basic methodology
and propose a not relatively mature framework for continued
supplement and improvement.
Status of This Memo
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provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on July 19, 2019.
Copyright Notice
Copyright (c) 2019 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
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Requirements Language . . . . . . . . . . . . . . . . . . 3
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Use cases . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.1. Network Management . . . . . . . . . . . . . . . . . . . 4
3.2. Network Search . . . . . . . . . . . . . . . . . . . . . 4
3.3. Network Security . . . . . . . . . . . . . . . . . . . . 5
4. Methodology for Network Resources Categorization . . . . . . 5
4.1. Basic Principles . . . . . . . . . . . . . . . . . . . . 5
4.1.1. Scientific principle . . . . . . . . . . . . . . . . 5
4.1.2. Systematic principle . . . . . . . . . . . . . . . . 6
4.1.3. Orthogonality principle . . . . . . . . . . . . . . . 6
4.1.4. Consistency principle . . . . . . . . . . . . . . . . 6
4.1.5. Scalable principle . . . . . . . . . . . . . . . . . 6
4.2. Requirements on categorization . . . . . . . . . . . . . 6
5. Framework for Network Resources Categorization . . . . . . . 7
5.1. Class-I . . . . . . . . . . . . . . . . . . . . . . . . . 7
5.2. Class-II . . . . . . . . . . . . . . . . . . . . . . . . 8
5.2.1. Network Infrastructure . . . . . . . . . . . . . . . 9
5.2.2. Network application service . . . . . . . . . . . . . 10
5.2.3. Network data source . . . . . . . . . . . . . . . . . 10
5.2.4. Network virtual subject . . . . . . . . . . . . . . . 12
5.3. Class-III and Class-IV . . . . . . . . . . . . . . . . . 12
5.3.1. Autonomous domain . . . . . . . . . . . . . . . . . . 12
5.3.2. Network . . . . . . . . . . . . . . . . . . . . . . . 13
5.3.3. Intermediate node . . . . . . . . . . . . . . . . . . 16
5.3.4. Terminal node . . . . . . . . . . . . . . . . . . . . 18
5.3.5. Link . . . . . . . . . . . . . . . . . . . . . . . . 19
5.3.6. Inorganic service . . . . . . . . . . . . . . . . . . 21
5.3.7. Organic service . . . . . . . . . . . . . . . . . . . 24
5.3.8. Code . . . . . . . . . . . . . . . . . . . . . . . . 25
5.3.9. Text resource . . . . . . . . . . . . . . . . . . . . 25
5.3.10. Picture resource . . . . . . . . . . . . . . . . . . 26
5.3.11. Audio resource . . . . . . . . . . . . . . . . . . . 26
5.3.12. Video resource . . . . . . . . . . . . . . . . . . . 27
6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 27
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 27
8. Security Considerations . . . . . . . . . . . . . . . . . . . 27
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9. Normative References . . . . . . . . . . . . . . . . . . . . 27
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 28
1. Introduction
Network resources have existed objectively, including physical
resources such as traditional network facilities and access devices,
as well as virtual resources such as application services and
information resources, which can be detected using software or
hardware tools based on certain methods, techniques and standards.
At present, network resources have not been systematically defined
and classified. Most of them are given corresponding names depending
on their purpose or vendor, but they seem to be in a "divine" state.
Each resource cannot find its own location in network.
The complexity and diversity of network resources make the
traditional categorization methods difficult to cover, unify and
integrate. Therefore, it is necessary to establish a framework for
network resources to systematically classify, define, identify and
describe all the network. The objective of this draft is to
illustrate the applicability of framework for network resources
categorization through use cases, then discuss the basic methodology
and propose a not relatively mature framework for continued
supplement and improvement
This memo discusses and defines a framework for network resources
categorization that can identify and describe all the network to
assist network management. Network resources are systematically
named, defined, classified and described to meet the completeness,
measurability, scalability and relative orthogonality of resources
categorization from the point of view of the network architecture.
We provide a unified description of network elements and their
attributes to support integration and management of surveying and
mapping information. The overall standard framework helps to
establish a network resources database, which can be used as the
basis for network information storage and sharing in the future.
1.1. Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119].
2. Terminology
Methods of linear classification: The classification objects are
divided into several levels according to specific forms and
attributes, and each level is divided into several categories. The
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same level category constitutes a parallel relationship, and
different level categories form a affiliation relationship.
category in higher level: In the methods of linear classification , a
category is called category in higher level relative to the next-
level category directly divided by it.
category in lower level: In the methods of linear classification, a
category is called category in lower level relative to the upper-
level category that classifies the category.
category in same level: In the methods of linear classification, a
number of lower-level categories directly classified by a category
are called category in same level.
3. Use cases
The following sections highlight some of the most common framework
for network resources categorization use case scenarios and are in no
way exhaustive.
3.1. Network Management
Network management is the process of administering and managing
computer networks. Services provided by this discipline include
fault analysis, performance management, provisioning of networks and
maintaining the quality of service. Now The variety of resources
lead to confusion in network. Network resources as the object of
network management need to be paid more attention. But for network
managers, there is a lack of uniform identification, location and
management of resources.
The framework for network resources categorization offers a way for
network managers to divide the managed resources. It provides unique
identities for each resource, that is, all resources can find the
appropriate location in the resources framework tree. Then the
corresponding code, name and attributes are added into the database
to facilitate unified management. At the same time, for resources
with abnormal properties ,it can be located and fixed vulnerabilities
in time.
3.2. Network Search
Now many platforms(Shodan, Censys etc.) detect network from the
network layer to the application layer based on multiple detection
technologies. The main goal is to identify network resources,
including websites, network hardware, etc and provide network
identifiable resources search and classification, establish
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corresponding database to support user full-text search, regular
expression, boolean logic and digital range search. But the lack of
a unified standardized model will lead to inaccurate and incomplete
retrieval of resources.
This framework classifies the resources of the whole network. It can
be used to fill the resources search database, and cover the
resources that have not been covered before. At the same time,
standardize the storage of network resources and improve the search
efficiency.
3.3. Network Security
Network viruses and worms themselves are also a kind of network
resources. With the deepening of network opening and complexity,
network viruses and worms are evolving constantly, and the
characteristics of diversity and spatial discretization are
increasing, resulting in a great hidden danger of network security.
The framework for network resources categorization can locate the
network resources more accurately and distinguish the benign or
malignant network resources, study the process of virus evolution and
the possible effects according to the attached attributes , and
provide a clearer way to safeguard the operation of network space
security, such as anti virus, antivirus and so on.
4. Methodology for Network Resources Categorization
4.1. Basic Principles
The network resources categorization rules SHOULD follow the
following principles to meet the completeness, measurability,
scalability and relative orthogonality of resources categorization.
4.1.1. Scientific principle
Categorization rules SHOULD be consistent with the basic.
organizational rules of network resources.
The resources categorization perspective SHOULD meet the traditional
internet resources integration requirements, and meet the mapping
entity integration requirements of the multi-sources mapping
platform.
The resources categorization system SHOULD start from the traditional
network resources system and cover resource elements and have certain
compatibility.
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4.1.2. Systematic principle
The network resources categorization architecture can sort and
systemize all network resources according to their characteristics,
correctly reflect the vertical and horizontal architecture, and form
a reasonable categorization system.
Each resource in the system occupies a position. And it SHALL
reflect the certain relationship between resources, and profoundly
reveal the network relationship and the whole picture between
resources.
4.1.3. Orthogonality principle
Each taxonomic unit of each categorization level in the resources
categorization system SHOULD be mutually incompatible, so that any
network resource cannot belong to two groups at the same time. That
is, the unique encoding allows the network resources to be uniquely
identified and described.
4.1.4. Consistency principle
Categorization design SHOULD be consistent with other national
standards in related fields, and at the same time meets the original
information concept and semantic consistency when resources coding
and code expansion, addition and deletion.
4.1.5. Scalable principle
It SHALL meet the needs of the development and change of network
resources to a great extent. It can increase the categorization of
different levels and can also be extended for expansion of unknown
resources.
4.2. Requirements on categorization
This section describes the requirements for categorization of network
resources . The network resources categorization SHOULD meet these
requirements to make sure it is orthogonal and accurate. Note that
the requirements listed in this section have been separated from the
context in which they may appear.
The following template is used for the definition of the
Requirements:
Req-ID: An ID composed of a unique two-digit number.
Description: The rationale and description of the requirement.
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The detail requirements on categorization are listed as following:
Req-ID: 01
Description: The total range of categories in lower level classified
by categories in higher level SHOULD be the same as the range of
categories in higher level.
Req-ID: 02
Description: When dividing category in higher level, SHOULD choose
the same classification perspective to get the categories in lower
level.
Req-ID: 03
Description: The categories in same level SHALL do not intersect, do
not repeat, and only correspond to a category in higher level.
Req-ID: 04
Description: Categorization SHOULD be carried out from high to low,
and there MUST be no jump.
5. Framework for Network Resources Categorization
This framework for network resources categorization uses methods of
linear classification to classify them into five categories:
category, sub-category, large, medium and small-category based on the
above principles and requirements. It specifies the classification
names of the categories, Class-I, Class-II, Class-III, Class-IV,
Class-V, and the small-categories are subdivided and named according
to the application requirements.
5.1. Class-I
Firstly, The categories of network resources are divided into four
categories: the network infrastructure, the network application
service, the network data resource and the network virtual body based
on the sources, applications and activities of network resources.
Then the 4 categories are further subdivided into 12 sub-categories.
The following template is used for the definition of the
categorization of network resources:
Class-I: The name of network resources category in highest level
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EnCode-q: An ID organized in OID format to identify network
resources. It can be added to 1.3.6.1.2 mgmt RFC3232 [RFC3232].
Upper-Class: The name of its category in higher level.
Attribute:The characteristics of this network resource category from
different levels of internet.
Class-I: Network Infrastructure
EnCode-q:1
Upper-Class: None
Attribute:MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\
Class-I: Network application service
EnCode-q:2
Upper-Class: None
Attribute:MAC Address\IP Address\Port\Service\ Protocol\Performance\
Class-I: Network data source
EnCode-q:3
Upper-Class: None
Attribute:IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
Class-I: Network virtual subject
EnCode-q:4
Upper-Class: None
Attribute:IP Address\Port\Service\ Protocol\Account Name\ Landing
Time\
5.2. Class-II
The following template is used for the definition of the
categorization of network resources category in second category
level:
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Class-II: The name of network resources category in second level
EnCode-q: An ID organized in OID format to identify network
resources. It can be added to 1.3.6.1.2 mgmt RFC3232 [RFC3232].
Upper-Class: The name of its category in higher level.
Attribute: The characteristics of this network resource category from
different levels of internet.
5.2.1. Network Infrastructure
The Network infrastructure is the physical part of the network
resources which provides basic support, including various hardware
devices. It is the material basis of all network services and is
divided into the following 5 sub-category based on the internet
architecture and its network functions, device roles and network
levels .
Class-II: Autonomous domain
EnCode-q:1.1
Upper-Class: Network Infrastructure (EnCode-q:1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating
System\ASN\ISP\Institutions\Organizations\Operators\
Class-II: Network
EnCode-q:1.2
Upper-Class: Network Infrastructure (EnCode-q:1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network
Class-II: Intermediate node
EnCode-q:1.3
Upper-Class: Network Infrastructure (EnCode-q:1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Model Number Code
Class-II: Terminal node
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EnCode-q:1.4
Upper-Class: Network Infrastructure (EnCode-q:1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Model Number Code\
Class-II: Link
EnCode-q:1.5
Upper-Class: Network Infrastructure (EnCode-q:1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Transmission medium\Protocol\
5.2.2. Network application service
Network application service is an application running on top of the
network application layer and provide data storage, manipulation,
rendering, communication, or other capabilities. These capabilities
typically use an application layer network protocol. It is
classified into inorganic services and organic services based on the
internet architecture and the unity of a network application service.
Class-II: Inorganic service
EnCode-q:2.1
Upper-Class: Network application service (EnCode-q:2)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-II: Organic service
EnCode-q:2.2
Upper-Class: Network application service (EnCode-q:2)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
5.2.3. Network data source
Network data is defined as a resource that is stored on the Internet
and is not running. We divide it into five categories based on
resource content.
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Class-II: Code
EnCode-q:3.1
Upper-Class: Network data source(EnCode-q:3)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\ Programming Language\
Class-II: Text resource
EnCode-q:3.2
Upper-Class: Network data source(EnCode-q:3)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
Class-II: Picture resource
EnCode-q:3.3
Upper-Class: Network data source(EnCode-q:3)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
Class-II: Audio resource
EnCode-q:3.4
Upper-Class: Network data source(EnCode-q:3)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
Class-II: Video resource
EnCode-q:3.5
Upper-Class: Network data source(EnCode-q:3)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
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5.2.4. Network virtual subject
The virtual subject of network refers to the account behavior of the
network virtual feature stored on the Internet. The carrier of the
user in network is a virtual account, So The network virtual subject
is divided into the following sub- category.
Class-II: Network account
EnCode-q:4.1
Upper-Class: Network virtual subject (EnCode-q:4)
Attribution: IP Address\Port\Service\ Protocol\Account Name\ Landing
Time\
5.3. Class-III and Class-IV
Note that Network infrastructure, the categorization of the large-
categories are organized from the hierarchical location of the
network infrastructure in the network architecture and the role
played by it.
Note that Network application service, first organize the
categorization of large-category from the perspective of whether the
application is based on ports, and then classify these categories
according to the types of services provided by the application.
Note that Network data source, firstly the categorization of large-
categories are organized from whether the data resources need to be
compiled, the storage mode , structure of the data resources and the
functions of the data resources are completed. And then classify
these categories according to the application scenarios of the data
and the data are performed.
On the basis of category and sub-category, the resources are further
classified and named according to methods of linear classification.
On the basis of 4 Class-I and 13 Class-II, there are 22 categories,
of which there are 10 network infrastructure categories,5 network
application services categories and 7 network data resources
categories.
5.3.1. Autonomous domain
We continue "Autonomous domain" sub-category categorization.
Class-III: Autonomous domain.
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EnCode-q:1.1.1
Upper-Class: Autonomous domain (EnCode-q:1.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating
System\ASN\ISP\Institutions\Organizations\Operators\
According to the division of the number of digits of the autonomous
system number ASN which is owned by each autonomous region. This
large-category is divided into 16 autonomous regions and 32
autonomous regions, with a total of 2 categories.
Class-IV:Autonomous domain(16 bits)
EnCode-q:1.1.1.1
Upper-Class: Autonomous domain (EnCode-q:1.1.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating
System\ASN\ISP\Institutions\Organizations\Operators\
Class-IV:Autonomous domain(32 bits)
EnCode-q:1.1.1.2
Upper-Class: Autonomous domain (EnCode-q:1.1.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating
System\ASN\ISP\Institutions\Organizations\Operators\
5.3.2. Network
The subcategories of "network" are organized in accordance with the
characteristics of whether the application layer is only oriented to
the application layer or the main application layer.
Class-III: physical network
EnCode-q:1.2.1
Upper-Class: Network (EnCode-q:1.2)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\
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Class-III: overlay network
EnCode-q:1.2.2
Upper-Class: Network (EnCode-q:1.2)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\
The physical network is divided into categories: the backbone
network, the access network, the Internet of things, the industrial
network and the other network according to the hierarchical position
of the network ,the deployed area, and the production and life tasks
undertaken in the entire network architecture.
Class-IV: backbone network
EnCode-q:1.2.1.1
Upper-Class: physical network (EnCode-q:1.2.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\ Organization\
Class-IV: access network
EnCode-q:1.2.1.2
Upper-Class: physical network (EnCode-q:1.2.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\ Organization\
Class-IV: Internet of things
EnCode-q:1.2.1.3
Upper-Class: physical network (EnCode-q:1.2.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\
Class-IV: industrial network
EnCode-q:1.2.1.4
Upper-Class: physical network (EnCode-q:1.2.1)
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Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\Protocol\
Class-IV: other network
EnCode-q:1.2.1.5
Upper-Class: physical network (EnCode-q:1.2.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\
The overlay network is divided into 4 categories:Content Delivery
Network, peer-to-peer network, virtual private network and the other
network.
Class-IV:Content Delivery Network
EnCode-q:1.2.2.1
Upper-Class: overlay network (EnCode-q:1.2.2)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\
Class-IV:peer-to-peer network
EnCode-q:1.2.2.2
Upper-Class: overlay network (EnCode-q:1.2.2)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\
Class-IV:virtual private network RFC2764 [RFC2764]
EnCode-q:1.2.2.3
Upper-Class: overlay network (EnCode-q:1.2.2)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\
Class-IV:other network
EnCode-q:1.2.2.4
Upper-Class: overlay network (EnCode-q:1.2.2)
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Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Network\
5.3.3. Intermediate node
The "intermediate node" sub-category organizes a large-category
according to the functions that nodes play in the network
architecture. It is divided into routing node, switching node, and
controlling node.
Class-III: routing node
EnCode-q:1.3.1
Upper-Class: Intermediate node(EnCode-q:1.3)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Model Number Code\ Routing Protocol\
Class-III: switching node
EnCode-q:1.3.2
Upper-Class: Intermediate node(EnCode-q:1.3)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Model Number Code\
Class-III: controlling node
EnCode-q:1.3.3
Upper-Class: Intermediate node(EnCode-q:1.3)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Model Number Code\
The routing node is classified into categories inter-domain routing
node and intra-domain routing node according to the working level of
the routing.
Class-IV: inter-domain routing node RFC904 [RFC904]
EnCode-q:1.3.1.1
Upper-Class: routing node (EnCode-q:1.3.1)
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Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\Operating System\Model Number Code\ Routing Protocol\
Class-IV: intra-domain routing node
EnCode-q:1.3.1.2
Upper-Class: routing node (EnCode-q:1.3.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\Operating System\Model Number Code\ Routing Protocol\ASN\ISP\
The switching node is organized into different categories according
to different network segments where the node is located.
Class-IV: hub
EnCode-q:1.3.2.1
Upper-Class: switching node (EnCode-q:1.3.2)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Model Number Code\
Class-IV: bridge RFC1242 [RFC1242]
EnCode-q:1.3.2.2
Upper-Class: switching node (EnCode-q:1.3.2)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Model Number Code\
Class-IV: switch
EnCode-q:1.3.2.3
Upper-Class: switching node (EnCode-q:1.3.2)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Model Number Code\
Class-IV: gateway
EnCode-q:1.3.2.4
Upper-Class: switching node (EnCode-q:1.3.2)
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Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Model Number Code\
Class-IV: other
EnCode-q:1.3.2.5
Upper-Class: switching node (EnCode-q:1.3.2)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\Model Number Code\
The controlling node is no longer to be classified here.
5.3.4. Terminal node
The "Terminal node" sub-category organizes a large-category according
to the functions played by the terminal in actual production and
life. It is divided into client, site, hybrid node, and a total of
three major categories.
Class-III: client
EnCode-q:1.4.1
Upper-Class: Terminal node (EnCode-q:1.4)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Model Number Code\
Class-III: server
EnCode-q:1.4.2
Upper-Class: Terminal node (EnCode-q:1.4)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Model Number Code\Performance\
Class-III: hybrid node
EnCode-q:1.4.3
Upper-Class: Terminal node (EnCode-q:1.4)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Model Number Code\
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The client category is subdivided into desktop device, mobile device,
sensor device, and other according to the physical device types of
the nodes.
Class-IV: desktop device
EnCode-q:1.4.1.1
Upper-Class: client (EnCode-q:1.4.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Model Number Code\
Class-IV: mobile device
EnCode-q:1.4.1.2
Upper-Class: client (EnCode-q:1.4.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Model Number Code\
Class-IV: sensor device
EnCode-q:1.4.1.3
Upper-Class: client (EnCode-q:1.4.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Model Number Code\ Detection information\
Class-IV: other
EnCode-q:1.4.1.4
Upper-Class: client (EnCode-q:1.4.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Model Number Code\
The server and hybrid node continue the division of their sub-
category
5.3.5. Link
The "Link" sub-category is organized into a large-category of
transmission links according to the transmission medium used by the
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network, and is divided into two categories: wired link and wireless
link.
Class-III: wired link
EnCode-q:1.5.1
Upper-Class: Link (EnCode-q:1.5)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Transmission medium\Protocol\
Class-III: wireless link
EnCode-q:1.5.2
Upper-Class: Link (EnCode-q:1.5)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
addre
The wired link category is organized according to the material of the
transmission medium and the winding mode of the transmission medium.
It is divided into twisted pair, coaxial cable, digital subscriber
line ,optical fiber and other.
Class-IV: twisted pair
EnCode-q:1.5.1.1
Upper-Class: wired link (EnCode-q:1.5.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Transmission medium\Protocol\
Class-IV: coaxial cable
EnCode-q:1.5.1.2
Upper-Class: wired link (EnCode-q:1.5.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Transmission medium\Protocol\
Class-IV: digital subscriber line
EnCode-q:1.5.1.3
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Upper-Class: wired link (EnCode-q:1.5.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Transmission medium\Protocol\
Class-IV: optical fiber
EnCode-q:1.5.1.4
Upper-Class: wired link (EnCode-q:1.5.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Transmission medium\Protocol\
Class-IV: other
EnCode-q:1.5.1.5
Upper-Class: wired link (EnCode-q:1.5.1)
Attribution: MAC Address\IP Address\DNS Address\ DHCP Address\Gateway
address\ Operating System\ Transmission medium\Protocol\
The wireless is no longer to be classified here.
5.3.6. Inorganic service
The "Inorganic Service" sub-category, according to the port type used
by the application, the tight program bound to the application and
the port RFC6346 [RFC6346], organizes a large-category. which is
divided into generic port service , registered port service , and
dynamic/private port service.
Class-III: generic port service
EnCode-q:2.1.1
Upper-Class: Inorganic service (EnCode-q:2.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-III: registered port service
EnCode-q:2.1.2
Upper-Class: Inorganic service (EnCode-q:2.1)
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Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-III: dynamic/private port service
EnCode-q:2.1.3
Upper-Class: Inorganic service (EnCode-q:2.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
According to the port used and the type of service provided, the
generic port service is divided into website service (HTTP, HTTPS),
file transfer service (FTP, TFTP), mail service (SMTP, POP3, IMAP),
network management service (SNMP) RFC1157 [RFC1157], domain name
service (DNS) and other.
Class-IV: website service
EnCode-q:2.1.1.1
Upper-Class: generic port service (EnCode-q:2.1.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\URL\
Class-IV: file transfer service
EnCode-q:2.1.1.2
Upper-Class: generic port service (EnCode-q:2.1.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: mail service
EnCode-q:2.1.1.3
Upper-Class: generic port service (EnCode-q:2.1.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: network management service
EnCode-q:2.1.1.4
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Upper-Class: generic port service (EnCode-q:2.1.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: domain name service
EnCode-q:2.1.1.5
Upper-Class: generic port service (EnCode-q:2.1.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: other
EnCode-q:2.1.1.6
Upper-Class: generic port service (EnCode-q:2.1.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
The registered port service is no longer to be classified here.
According to the type of services provided by the application, the
dynamic/private port service is divided into search query service,
audio and video service, shopping service, social service and other.
Class-IV: search query service
EnCode-q:2.1.3.1
Upper-Class: dynamic/private port service (EnCode-q:2.1.3)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: audio and video service
EnCode-q:2.1.3.2
Upper-Class: dynamic/private port service (EnCode-q:2.1.3)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: shopping service
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EnCode-q:2.1.3.3
Upper-Class: dynamic/private port service (EnCode-q:2.1.3)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: social service
EnCode-q:2.1.3.4
Upper-Class: dynamic/private port service (EnCode-q:2.1.3)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: other
EnCode-q:2.1.3.5
Upper-Class: dynamic/private port service (EnCode-q:2.1.3)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
5.3.7. Organic service
The "organic service" continues the sub-category classification.
Class-III: Organic service
EnCode-q:2.2.1
Upper-Class: Organic service (EnCode-q:2.2)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
The organic service categories are classified into P2P service , CDN
service and other according to the scenario where the application is
located and the network service function.
Class-IV: P2P service
EnCode-q:2.2.1.1
Upper-Class: Organic service (EnCode-q:2.2.1)
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Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: CDN service
EnCode-q:2.2.1.2
Upper-Class: Organic service (EnCode-q:2.2.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
Class-IV: other
EnCode-q:2.2.1.3
Upper-Class: Organic service (EnCode-q:2.2.1)
Attribution: MAC Address\IP Address\Port\Service\
Protocol\Performance\
5.3.8. Code
The "Code" continues the sub-category classification and is no longer
subdivided.
Class-III: Code
EnCode-q:3.1.1
Upper-Class: Code (EnCode-q:3.1)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\ Programming Language\
5.3.9. Text resource
The "Text resource" sub-category, according to the storage form of
text, whether the text can be represented by unified data or format
to organize large categories, is divided into structured text, semi-
structured text, unstructured text.
Class-III: structured text
EnCode-q:3.2.1
Upper-Class: Text resource (EnCode-q:3.2)
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Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
Class-III: semi-structured text
EnCode-q:3.2.2
Upper-Class: Text resource (EnCode-q:3.2)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
Class-III: unstructured text
EnCode-q:3.2.3
Upper-Class: Text resource (EnCode-q:3.2)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
The " structured text", "semi-structured text" and " structured text
"continues the large-category classification and is no longer
subdivided.
5.3.10. Picture resource
The "picture resource" continues the sub-category classification and
is no longer subdivided.
Class-III: Picture resource
EnCode-q:3.3.1
Upper-Class: Picture resource (EnCode-q:3.3)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
5.3.11. Audio resource
The Audio resource continues the sub-category classification and is
no longer subdivided.
Class-III: Audio resource
EnCode-q:3.4.1
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Upper-Class: Audio resource (EnCode-q:3.4)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
5.3.12. Video resource
The " Video resource" continues the sub-category classification. and
is no longer subdivided.
Class-III: Video resource
EnCode-q:3.5.1
Upper-Class: Video resource (EnCode-q:3.5)
Attribution: IP Address\Port\Service\ Protocol\ Data Format\ Data
size\Data Permission\
6. Acknowledgements
The authors would like to thank the support of Tsinghua. University
and China Electronic Technology Group Corporation thirtieth Research
Institute. We also thank the following persons for their suggestions
on earlier versions of this work: Zhi Sun, Jianfeng Chen, Da He, Rui
Xu, Zhihong Rao, etc, for their. discussion, comments and
suggestions.
7. IANA Considerations
This memo includes no request to IANA.
8. Security Considerations
This document only defines a framework for network resources
categorization. This document itself does not directly introduce
security issues.
9. Normative References
[RFC1157] Case, J., "A Simple Network Management Protocol (SNMP)",
RFC 1157, May 1990.
[RFC1242] Bradner, S., "Benchmarking Terminology for Network
Interconnection Devices", RFC 1242, July 1991.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", RFC 2119, March 1997.
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[RFC2764] Gleeson, B., "A Framework for IP Based Virtual Private
Networks", RFC 2764, February 2000.
[RFC3232] Reynolds, J., "Assigned Numbers: RFC 1700 is Replaced by
an On-line Database", RFC 3232, January 2002.
[RFC6346] Bush, R., "The Address plus Port (A+P) Approach to the
IPv4 Address Shortage", RFC 6346, August 2011.
[RFC904] Mills, D., "A Framework for IP Based Virtual Private
Networks", RFC 904, April 1984.
Authors' Addresses
Jilong Wang (editor)
Tsinghua University
Beijing 100084
China
Email: wjl@tsinghua.edu.cn
Congcong Miao (editor)
Tsinghua University
Beijing 100084
China
Email: mccmiao@163.com
Shuying Zhuang (editor)
Tsinghua University
Beijing 100084
China
Email: 17751034616@163.com
Qianli Zhang (editor)
Tsinghua University
Beijing 100084
China
Email: zhang@cernet.edu.cn
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Jianfeng Chen (editor)
CETC
Chengdu 610000
China
Email: atrix@163.com
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