Internet DRAFT - draft-kishjac-bmwg-evpntest
draft-kishjac-bmwg-evpntest
Internet Engineering Task Force S. Jacob, Ed.
Internet-Draft K. Tiruveedhula
Intended status: Standards Track Juniper Networks
Expires: December 26, 2018 June 24, 2018
Benchmarking Methodology for EVPN and PBB-EVPN
draft-kishjac-bmwg-evpntest-10
Abstract
This document defines methodologies for benchmarking EVPN and PBB-
EVPN performance. EVPN is defined in RFC 7432, and is being deployed
in Service Provider networks. Specifically this document defines the
methodologies for benchmarking EVPN/PBB-EVPN convergence, data plane
performance, and control plane performance.
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 December 26, 2018.
Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the
document authors. All rights reserved.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Requirements Language . . . . . . . . . . . . . . . . . . 3
1.2. Terminologies . . . . . . . . . . . . . . . . . . . . . . 3
2. Test Topology . . . . . . . . . . . . . . . . . . . . . . . . 4
3. Test Cases . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1. How long it takes to learn local mac address in EVPN . . 6
3.2. How long it takes to learn local mac address in PBB EVPN 6
3.3. How long it takes to learn the remote macs . . . . . . . 7
3.4. PBB-EVPN How long it takes to learn the mac from remote
peer . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.5. How long it takes to flush the local macs due to CE link
flap and measure the relearning rate of MACs . . . . . . 8
3.6. PBB-EVPN how long it takes to flush the local macs and
measure the relearning rate of macs during PE-CE link
flap . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.7. How long it takes to flush the remote macs, due to remote
link failure. . . . . . . . . . . . . . . . . . . . . . . 10
3.8. PBB-EVPN How long it takes to flush the remote macs due
to remote link failure . . . . . . . . . . . . . . . . . 10
3.9. To measure the MAC aging time. . . . . . . . . . . . . . 11
3.10. PBB-EVPN To measure the MAC aging time. . . . . . . . . . 12
3.11. How long it takes to age out the remote macs . . . . . . 12
3.12. PBB-EVPN How long it takes to age out the remote macs. . 13
3.13. How long it takes to learn both local and remote macs. . 14
3.14. PBB-EVPN How long it takes to learn both local and remote
macs . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4. High Availability . . . . . . . . . . . . . . . . . . . . . . 15
4.1. To Record the whether there is traffic loss due to
routing engine failover for redundancy test. . . . . . . 15
4.2. PBB-EVPN To Record the whether there is traffic loss due
to routing engine failover for redundancy test . . . . . 16
5. ARP/ND Scale . . . . . . . . . . . . . . . . . . . . . . . . 16
5.1. To find ARP/ND scale . . . . . . . . . . . . . . . . . . 16
6. Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.1. To Measure the scale limit of DUT with trigger (Scale
without traffic) . . . . . . . . . . . . . . . . . . . . 17
6.2. PBB-EVPN To measure the scale limit with trigger. . . . . 17
6.3. To measure the convergence time of DUT with scale and
traffic. . . . . . . . . . . . . . . . . . . . . . . . . 18
6.4. .PBB-EVPN To measure the convergence time of DUT with
scale and traffic. . . . . . . . . . . . . . . . . . . . 19
7. SOAK Test . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.1. To Measure the stability of the DUT with scale and
traffic. . . . . . . . . . . . . . . . . . . . . . . . . 19
7.2. PBB-EVPN to measure the stability of DUT with scale and
traffic. . . . . . . . . . . . . . . . . . . . . . . . . 20
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8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 21
9. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 21
10. Security Considerations . . . . . . . . . . . . . . . . . . . 21
11. References . . . . . . . . . . . . . . . . . . . . . . . . . 21
11.1. Normative References . . . . . . . . . . . . . . . . . . 21
11.2. Informative References . . . . . . . . . . . . . . . . . 21
Appendix A. Appendix . . . . . . . . . . . . . . . . . . . . . . 22
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 22
1. Introduction
EVPN is defined in RFC 7432, and describes BGP MPLS- based Ethernet
VPNs (EVPN). PBB-EVPN is defined in RFC 7623, discusses how Ethernet
Provider backbone Bridging can be combined with EVPNs to provide a
new/combined solution. This draft defines methodologies that can be
used to benchmark both RFC 7432 and RFC 7623 solutions. Further,
this draft provides methodologies for benchmarking the performance of
EVPN data and control planes, MAC learning, MAC flushing, MAC ageing,
convergence, high availability, and scale.
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].
1.2. Terminologies
MHPE Multi homed Provide Edge router.
RR Route Reflector.
P Provider Router.
CE Customer Router/Devices/Switch.
MHPE2 Multi homed Provider Edge router 2.
MHPE1 Multi homed Provider Edge router 1.
SHPE3 Single homed Provider Edge Router 3.
AA EVPN Terminologies AA All-Active.
SA EVPN Terminologies SA Single-Active.
RT Router Tester.
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Sub Interface Each physical Interfaces is subdivided in to Logical
units.
EVI EVPN Instances which will be running on sub interface or physical
port of the provider Edge routers.
DF Designated Forwarder.
ESI Ethernet Segment Identifier.
2. Test Topology
EVPN/PBB-EVPN Services running on R1, MHPE1 and MHPE2 in Single
Active Mode:
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Topology Diagram
| [Traffic Generator ] Router Tester sending layer 2 bi directional traffic sender/receiver
+----------+
| |
| R1 |
| |
+----------+
|
|Core link
+----------+
| |
| RR |
| | Route Reflector/Core router
+----------+-------------|
| |
| Core links |
+----------+ +-----------+
| | | MHPE2 |
| DUT | | |
| MHPE1 | | |
+----------+ +-----------+
| PE-CE link |
+----------+------------
| |
| CE |
| layer2 |
|bridge |
+----------+------------ [Traffic Generator](Router Tester sending bi directional layer 2 traffic with different VLAN sender/receiver)
Topology Diagram
Figure 1
There are five routers in the topology. R1, RR/P, MHPE1 and MHPE2
emulating a service provider network. CE is a customer device
connected to MHPE1 and MHPE2, it is configured with bridge domains in
different vlans. The Router tester is connected to R1 and CE which
send layer 2 traffic for configured vlans. MHPE1,MHPE2,RR/P,R1 run
MPLS. The EVPN/PBB-EVPN services are running on MHPE1,MHPE2 and R1.
The MHPE1 acts DUT. The RT will act as sender and receiver. The
measurement will be taken in DUT.
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3. Test Cases
The following tests are conducted to measure the time taken to learn
the "X" number of MAC's locally in EVI . The data plane learning of
MAC will happen locally from connected interface. The control plane
learning of MAC is through BGP advertisements from the remote
PE(SHPE3). The control plane learning of "X" MAC. The data plane
MAC learning can be measured using the parameters defined in RFC 2889
section 5.8.
3.1. How long it takes to learn local mac address in EVPN
Objective:
To Record the time taken to learn the MAC address locally in DUT.
Procedure:
Configure EVPN EVI in R1, MHPE2, DUT. All 4 routers except CE are
running MPLS, BGP, RR is acting as route reflector to R1,MHPE2 and
DUT. For MH PE ESI must be configured per IFD/Interface. Using RT
(traffic generator)to send the traffic to the CE. The traffic is
unidirectional. Since CE is working in bridge mode, frames will be
send to ingress sub interface of DUT. The BGP must be established in
R1, MHPE1(DUT), RR, MHPE2. Send "X" unicast frames from CE to
MHPE1(DUT) working in SA mode with "X" different source and
destination address from RT. The DUT must learn these "X" macs in
data plane.
Measurement :
Measure the time taken to learn "X" MACs in DUT evpn mac table. The
data plane measurement is taken by considering DUT as black box the
range of X MAC is known from RT and the same must be learned in DUT,
the time taken to learn "X" macs is measured.
Repeat these test and plot the data. The test is repeated for "N"
times and the values are collected. The mac learning time is
calculated by averaging the values obtained from "N" samples.
Mac learning in sec = (T1+T2+..Tn/N)
3.2. How long it takes to learn local mac address in PBB EVPN
Objective:
To Record the time taken to learn the MAC address locally.
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Procedure:
Configure PBB-EVPN EVI in R1,MHPE2,DUT. All 4 routers except CE are
running MPLS, BGP, RR is acting as route reflector to R1,MHPE2 and
DUT. Once the BGP comes up. Record the DUT PBB-EVPN table. For MH
PE ESI must be configured per IFD/Interface. From RT (traffic
generator) send the traffic to the DUT. The BGP must be established
in R1,MHPE1 (DUT), RR, MHPE2. The traffic is unidirectional. Since
CE is working in bridge mode, frames will be send to ingress sub
interface of DUT.
Send "X" unicast frames from CE to MHPE1(DUT) working in SA mode with
"X" different source and destination address from RT. The DUT must
learn "X" macs in data plane.
Measurement :
Measure the time taken by the DUT to learn the "X" MACs in the data
plane. The data plane measurement is taken by considering DUT as
black box the range of "X" MAC is known from RT and the same must be
learned in DUT, the time taken to learn "X" MAC is measured. Repeat
these test and plot the data. The test is repeated for "N" times and
the values are collected. The mac learning time is calculated by
averaging the values obtained from "N" samples.
Mac learning in sec = (T1+T2+..Tn/N)
3.3. How long it takes to learn the remote macs
Objective:
To Record the time taken to learn the remote macs.
Procedure:
Configure EVPN EVI in R1,MHPE2,DUT. All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Record the DUT EVPN table. For MH PE ESI must be configured per IFD/
Interface. Using RT(traffic generator) send the traffic to R1.The
traffic is uni directional. There wont be any traffic flow from CE
to DUT during this test. The BGP must be in established state. The
MACS learned in R1 will be advertised to DUT by BGP.
Send X frames with X different SA and DA to R1 from RT. R1 will
advertise these locally learned macs to MHPE1 and MHPE2 via control
plane.Measure the time taken to learn these X MACs from remote peer
in DUT EVPN MAC address table.The DUT and MHPE2 are running SA mode.
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Measurement :
Measure the time taken by the DUT to learn the "X" MACs in the data
plane.Repeat these test and plot the data.The test is repeated for
"N" times and the values are collected.The mac learning time is
calculated by averaging the values obtained from "N" samples.
Mac learning in sec = (T1+T2+..Tn/N)
3.4. PBB-EVPN How long it takes to learn the mac from remote peer
Objective:
To Record the time taken to learn the remote macs.
Procedure:
Configure PBB-EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Record the DUT PBB-EVPN table. For MHPE ESI must be configured per
IFD/Interface. Using RT(traffic generator) send the traffic to R1.
The traffic is uni directional.There wont be any traffic flow from CE
to DUT during this test.The BGP must be in established state.
Send X frames with X different SA and DA to R1 from RT.These macs
will be flooded to MHPE1 and MHPE2 by R1.The DUT and MHPE2 are
running SA mode.
Measurement :
Measure the time taken to learn X mac address in DUT mac table.
Repeat these test and plot the data.The test is repeated for "N"
times and the values are collected.The mac learning time is
calculated by averaging the values obtained by "N" samples.
Mac learning in sec = (T1+T2+..Tn/N)
3.5. How long it takes to flush the local macs due to CE link flap and
measure the relearning rate of MACs
Objective:
To record the time taken to flush the mac learned locally and the
time taken to relearn the same amount of macs.
Procedure:
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Configure EVPN EVI in R1,MHPE2,DUT. All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT EVPN table. For MH PE
ESI must be configured per IFD/Interface. Using RT(traffic
generator) send the traffic. In this scenario traffic will be only
send from CE side.
Send X frames with X different SA and DA to DUT from CE using traffic
generator. Wait till the MHPE1 learns all X MAC address. Then fail
the MHPE1 CE link and measure the time taken to flush these X MACs
from the EVPN MAC table. Bring up the link which was made Down(the
link between MHPE1 and CE).Measure time taken to relearn it. The DUT
and MHPE2 are running SA mode.
Measurement :
Measure the time taken for flushing these X MAC address. Measure the
time taken to relearn the X MACs in DUT. Repeat these test and plot
the data. The test is repeated for "N" times and the values are
collected. The flush and the relearning time is calculated by
averaging the values obtained by "N" samples.
Flush time for X Macs in sec = (T1+T2+..Tn/N) Relearning time for X
macs in sec = (T1+T2+..Tn/N)
3.6. PBB-EVPN how long it takes to flush the local macs and measure the
relearning rate of macs during PE-CE link flap
Objective:
To record the time taken to flush the mac learned locally and the
time taken to relearn the same amount of macs.
Procedure:
Configure PBB-EVPN EVI in R1,MHPE2,DUT. All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT PBB-EVPN table. For MH
PE ESI must be configured per IFD/Interface. Using RT(traffic
generator) send the traffic to the CE. The traffic is uni
directional.
Send X frames with X different SA and DA to DUT from CE using traffic
generator. Wait till the MHPE1 learn all X MAC address. Then fail
the MHPE1 CE link and measure the time taken to flush these X MACs
from the PBB-EVPN MAC table. Then bring up the link. Measure the
time taken to relearn X MACS. The DUT and MHPE2 are running SA mode.
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Measurement :
Measure the time taken for flushing these X MAC address. Measure the
time taken to relearn the X MACs in DUT. Repeat these test and plot
the data. The test is repeated for "N" times and the values are
collected. The flush and the relearning time is calculated by
averaging the values obtained by "N" samples.
Flush time for X Macs in sec = (T1+T2+..Tn/N) Relearning time for X
macs in sec = (T1+T2+..Tn/N)
3.7. How long it takes to flush the remote macs, due to remote link
failure.
Objective:
To record the time taken to flush the remote mac learned in DUT
during remote link failure.
Procedure:
Configure EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established Record the DUT EVPN table. For MHPE ESI
must be configured per IFD/Interface. Using RT(traffic generator)
send the traffic to R1.There wont be any traffic flowing to CE from
RT.
Send X frames with X different SA and DA to DUT from R1 using traffic
generator. Bring down the link between R1 and traffic generator.
Then measure the time taken to flush the DUT EVPN MAC table. The DUT
and MHPE2 are running SA mode.
Measurement :
Measure the time taken to flush X remote MACs from EVPN MAC table of
DUT. Repeat these test and plot the data. The test is repeated for
"N" times and the values are collected. The flush rate is calculated
averaging the values obtained by "N" samples.
Flush time for X Macs in sec = (T1+T2+..Tn/N)
3.8. PBB-EVPN How long it takes to flush the remote macs due to remote
link failure
Objective:
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To record the time taken to flush the remote mac learned in DUT
during remote link failure.
Procedure:
Configure PBB-EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established Record the DUT PBB-EVPN MAC table. For
MHPE ESI must be configured per IFD/Interface. Using RT(traffic
generator) send the traffic to R1.In this scenario traffic will be
flowing only from R1.
Send X frames with X different SA and DA to DUT from R1 using traffic
generator. Bring down the link between R1 and traffic generator.
Then measure the time taken to flush the DUT PBB-EVPN MAC address
table. The remote MACs will be learned by Data plane, but the B-MAC
will be learned by control plane. The DUT and MHPE2 are running SA
mode.
Measurement :
Measure the time taken to flush X remote MACs from PBB-EVPN MAC table
of DUT. Repeat these test and plot the data. The test is repeated
for "N" times and the values are collected. The flush rate is
calculated by averaging the values obtained by "N" samples.
Flush time for X Macs in sec = (T1+T2+..Tn/N)
3.9. To measure the MAC aging time.
Objective:
To measure the mac aging time.
Procedure:
Configure EVPN EVI in R1,MHPE2,DUT. All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT
.Once the BGP is established. Record the DUT EVPN table. For MHPE
ESI must be configured per IFD/Interface. Using RT(traffic
generator), send the traffic to the DUT. The traffic will be flowing
from CE to DUT. There wont be any traffic from R1.
Send X frames with X different SA and DA to DUT from CE using traffic
generator. Wait till X MAC address are learned. Then stop the
traffic. Record the time taken to flush X MACS from DUT EVPN MAC
table due to aging. The DUT and MHPE2 are running SA mode
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Measurement :
Measure the time taken to flush X MAC address due to aging. Repeat
these test and plot the data. The test is repeated for "N" times and
the values are collected. The aging is calculated averaging the
values obtained by "N" samples.
Aging time for X Macs in sec = (T1+T2+..Tn/N)
3.10. PBB-EVPN To measure the MAC aging time.
Objective:
To measure the mac aging time.
Procedure:
Configure PBB-EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and
DUT.Once the BGP is established. Record the DUT PBB-EVPN MAC table.
For MH PE ESI must be configured per IFD/Interface. Using RT(traffic
generator) send the traffic to the DUT. The traffic is
unidirectional flowing from CE to DUT.
Send X frames with X different SA and DA to DUT from CE using traffic
generator. Wait till X MAC address are learned in DUT PBB- EVPN MAC
table. Then stop the traffic. Record the time taken to flush X MAC
entries due to aging. The DUT and MHPE2 running in SA mode
Measurement :
Measure the time taken to flush X MAC address due to aging. Repeat
these test and plot the data. The test is repeated for "N" times and
the values are collected. The aging is calculated by averaging the
values obtained by "N" samples.
Aging time for X Macs in sec = (T1+T2+..Tn/N)
3.11. How long it takes to age out the remote macs
Objective:
To measure the remote mac aging time.
Procedure:
Configure EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
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Once the BGP is established. Record the DUT EVPN table. For MH PE
ESI must be configured per IFD/Interface. Using RT(traffic
generator) send the traffic to R1.There wont be any traffic from CE.
Send X frames with X different SA and DA to DUT from R1 using traffic
generator. Stop the traffic at remote PE R1.Due to MAC aging R1 will
withdraw its routes from DUT and MHPE2. Measure the time taken to
remove these MACs from DUT EVPN MAC table. DUT and MHPE2 are running
in SA mode
Measurement :
Measure the time taken to flush X remote MACs learned in DUT EVPN MAC
table due to aging. Repeat these test and plot the data. The test
is repeated for "N" times and the values are collected. The aging is
calculated by averaging the values obtained by "N" samples.
Aging time for X Macs in sec = (T1+T2+..Tn/N)
3.12. PBB-EVPN How long it takes to age out the remote macs.
Objective:
To measure the remote mac aging time.
Procedure:
Configure PBB-EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT MAC table. For MH PE
ESI must be configured per IFD/Interface. Using RT(traffic
Generator) send the traffic to R1. There is no traffic from CE side.
Send X frames with X different SA and DA to DUT from R1 using traffic
generator. Stop the traffic at remote PE(R1).Measure the time taken
to remove these remote MACs from DUT PBB-EVPN MAC table. The DUT and
MHPE2 are running in SA mode.
Measurement :
Measure the time taken to flush the X remote MACs from DUT PBB-EVPN
MAC table due to aging Repeat these test and plot the data. The test
is repeated for "N" times and the values are collected. The aging is
calculated by averaging the values obtained by "N" samples.
Aging time for X Macs in sec = (T1+T2+..Tn/N)
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3.13. How long it takes to learn both local and remote macs.
Objective:
To record the time taken to learn both local and remote macs.
Procedure:
Configure EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT EVPN table. For MH PE
ESI must be configured per IFD/Interface. Using RT(traffic
generator) send the traffic to the routers. The traffic is bi
directional.
Send X frames with X different SA and DA to DUT from R1 using traffic
generator. Send X frames with different SA and DA from traffic
generator connected to CE. The SA and DA of flows must be
complimentary to have unicast flows. Measure the time taken by the
DUT to learn 2X in EVPN MAC. DUT and MHPE2 are running in SA mode.
Measurement :
Measure the time taken to learn 2X MAC address in DUT EVPN MAC table.
Repeat these test and plot the data. The test is repeated for "N"
times and the values are collected. The mac learning time is
calculated by averaging the values obtained by "N" samples.
Time to learn 2X Macs in sec = (T1+T2+..Tn/N)
3.14. PBB-EVPN How long it takes to learn both local and remote macs
Objective:
To record the time taken to learn both local and remote macs.
Procedure:
Configure PBB-EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT EVPN table.For MH PE ESI
must be configured per IFD/Interface. Using RT(traffic generator)
send the traffic to the routers.
Send X frames with X different SA and DA to DUT from R1 using traffic
generator. Send X frames with different SA and DA from traffic
generator connected to CE. The SA and DA of flows must be
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complimentary to have unicast flows. Measure the time taken by the
DUT to learn 2X in MAC table. DUT and MHPE2 are running in SA mode.
Measurement :
Measure the time taken to learn 2X MAC address table in DUT PBB-EVPN
MAC table. Repeat these test and plot the data. The test is
repeated for "N" times and the values are collected. The mac
learning time is calculated by averaging the values obtained by "N"
samples.
Time to learn 2X Macs in sec = (T1+T2+..Tn/N)
4. High Availability
4.1. To Record the whether there is traffic loss due to routing engine
failover for redundancy test.
Objective:
To record traffic loss during routing engine failover.
Procedure:
Configure EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT EVPN table. For MH PE
ESI must be configured per IFD/Interface. Using RT(traffic
generator) Send bi directional to the routers.
Send X frames from CE to DUT from traffic generator withX different
SA and DA. Send X frames from traffic generator to R1 with X
different SA and DA so that 2X MAC address will be learned in DUT.
There is a bi directional traffic flow with X pps in each direction.
Then do a routing engine fail-over.
Measurement :
There should be 0 traffic loss which is the ideal case, No change in
the DF role. DUT should not withdraw any routes.Repeat the test "N"
times and plot the data.The packet loss is calculated by averaging
the values obtained from "N" samples.
Packet loss in sec = (T1+T2+..Tn/N)
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4.2. PBB-EVPN To Record the whether there is traffic loss due to
routing engine failover for redundancy test
Objective:
To record traffic loss during routing engine failover.
Procedure:
Configure PBB-EVPN EVI in R1,MHPE2,DUT. All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT PBB-EVPN table. For MH
PE ESI must be configured per IFD/Interface. Using RT(traffic
generator) send the traffic to the routers.
Send X frames to DUT with X different SA and DA from CE using the
traffic generator. Send X frames from traffic generator to R1 with X
different SA and DA so that 2X MAC address will be Learned in DUT.
There is a bi directional traffic flow with X pps in each direction.
Then do a routing engine fail-over.
Measurement :
There should be 0 traffic loss which is the ideal case, No change in
the DF role. DUT should not withdraw any routes.Repeat the test "N"
times and plot the data.The packet loss is calculated by averaging
the values obtained from "N" samples.
Packet loss in sec = (T1+T2+..Tn/N)
5. ARP/ND Scale
These tests are conducted to Record the scaling parameter of ARP/ND
of the DUT.
5.1. To find ARP/ND scale
Objective:
To Record the ARP/ND scale of the DUT.
Procedure:
Configure EPN EVI in R1,MHPE2,DUT.All 4 routers except CE are running
MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT. Once
the BGP is established. Record the DUT EVPN table. For MH PE ESI
must be configured per IFD/Interface. Using RT(traffic generator)
send arp/ICMPv6 request to the DUT which has gateway configured.
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Send X arp/icmpv6 request from RT to DUT with different sender ip/
ipv6 address to the same target gateway ip address. Measure whether
X MAC+IPv4 address/MAC+IPv6 address of the hosts are learned in DUT.
Measurement :
The DUT must learn X MAC+IPV4/MAC+IPv6 and it must advertise the X
MAC+IPV4/MAC+IPV6 to the remote router.
6. Scale
This is to measure the performance of DUT in scaling to "X" EVPN
instances. The measured parameters are CPU usage, memory
leak,crashes.
6.1. To Measure the scale limit of DUT with trigger (Scale without
traffic)
Objective:
To measure the scale limit of DUT for EVPN.
Procedure:
Configure EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT EVPN table. For
MHPE,DUT ESI must be configured per IFD/Interface.
The DUT,MHPE2 and R1 are scaled to "N" EVI.Clear BGP neighbors of the
DUT. Once adjacency is established in the DUT. Measure the routes
received from MHPE2 and R1 for "N" EVI in the DUT.
Measurement :
There should not be any loss of route types 1,2,3 and 4 in DUT. DUT
must relearn all type 1,2,3 and 4 from remote routers. The DUT must
be subjected to various values of N to find the optimal scale limit
6.2. PBB-EVPN To measure the scale limit with trigger.
Objective:
To measure the scale limit of DUT for PBB-EVPN.
Procedure:
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Configure "N" PBB-EVPN instances in R1,MHPE2,DUT.All 4 routers except
CE are running MPLS,BGP,RR is acting route reflector to R1,MHPE2 and
DUT. Once BGP is established. Record the DUT PBB-EVPN table.For
MHPE ESI must be configured on IFD/Interface.
The DUT,MHPE2 and R1 are scaled to "N" PBB-EVPN instances. Clear BGP
neighbors in the DUT Once adjacency is established in DUT, check
routes received from R1 and MHPE2.
Measurement :
There should not be any loss of route types 2,3 and 4 in DUT. The
DUT must relearn all type 2,3 and 4 routes from remote routers. The
DUT must be subjected to various values of N to find the optimal
scale limit.
6.3. To measure the convergence time of DUT with scale and traffic.
Objective:
To measure the convergence time of DUT when the DUT is scaled with
EVPN instance along with traffic.
Procedure:
Configure EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT EVPN table. For MH PE
ESI must be configured per IFD/Interface. Using RT(traffic
generator)send the traffic to the routers.
Scale N EVIs in DUT,R1 and MHPE2.Send F frames to DUT from CE using
traffic generator with X different SA and DA for N EVI's. Send F
frames from traffic generator to R1 with X different SA and DA.
There will be 2X number of MAC address will be learned in DUT EVPN
MAC table. There is a bi directional traffic flow with F pps in each
direction. Then clear the BGP neighbors in the DUT. Once the
adjacency is restored in DUT. Measure the time taken to learn 2X MAC
address in DUT MAC table.
Measurement :
The DUT must learn 2X MAC address. Measure the time taken to learn
2X MAC in DUT. Repeat these test and plot the data.The test is
repeated for "N" times and the values are collected.The convergence
time is calculated by averaging the values obtained by "N" samples.
Convergence time in sec = (T1+T2+..Tn/N)
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6.4. .PBB-EVPN To measure the convergence time of DUT with scale and
traffic.
Objective:
To measure the convergence time of DUT when the DUT is scaled with
PBB-EVPN instance along with traffic.
Procedure:
Configure PBB-EVPN instances in R1,MHPE2,DUT.All 4 routers except CE
are running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and
DUT. Once BGP is established. Record the DUT EVPN table. For MH PE
ESI must be configured per IFD/Interface. Using RT(traffic
generator) send the traffic to the routers.
Scale N PBB-EVI's in DUT,R1 and MHPE2.Send F frames to DUT from CE
using traffic generator with X different SA and DA for N EVI's. Send
F frames from traffic generator to R1 with X different SA and DA.
There will be 2X number of MAC address will be learned in DUT PBB-
EVPN MAC table. There is a bi directional traffic flow with F pps in
each direction. Then clear the BGP neighbors in the DUT. Once the
adjacency is restored in DUT. Measure the time taken to learn 2X MAC
address in DUT PBB-MAC table.
Measurement :
The DUT must learn 2X MAC address. Measure the time taken to learn
2X MAC in DUT. Repeat these test and plot the data. The test is
repeated for "N" times and the values are collected. The convergence
time is calculated by averaging the values obtained by "N" samples.
Convergence time in sec = (T1+T2+..Tn/N)
7. SOAK Test
This is measuring the performance of DUT running with scaled
configuration with traffic over a peroid of time "T'". In each
interval "t1" the parameters measured are CPU usage, memory usage,
crashes.
7.1. To Measure the stability of the DUT with scale and traffic.
Objective:
To measure the stability of the DUT in a scaled environment with
traffic.
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Procedure:
Configure EVPN EVI in R1,MHPE2,DUT.All 4 routers except CE are
running MPLS,BGP,RR is acting as route reflector to R1,MHPE2 and DUT.
Once the BGP is established. Record the DUT EVPN table. For MH PE
ESI must be configured per IFD/Interface. Using RT(traffic
generator) send the traffic to the routers.
Scale N EVI's in DUT,R1 and MHPE2.Send F frames to DUT from CE using
traffic generator with different X SA and DA for N EVI's. Send F
frames from traffic generator to R1 with X different SA and DA.
There will be 2X number of MAC address will be learned in DUT EVPN
MAC table. There is a bi directional traffic flow with F pps in each
direction. The DUT must run with traffic for 24 hours, every hour
check for memory leak, crash.
Measurement :
Take the hourly reading of CPU, process memory. There should not be
any leak, crashes, CPU spikes.
7.2. PBB-EVPN to measure the stability of DUT with scale and traffic.
Objective:
To measure the stability of the DUT in a scaled environment with
traffic.
Procedure:
Configure N PBB-EVPN instances in R1, MHPE2, DUT. All 4 routers
except CE are running MPLS,BGP,RR is acting as route reflector to
R1,MHPE2 and DUT. Once the BGP comes up Record the DUT EVPN table.
for MH PE ESI must be configured per IFD/Interface. Using RT(traffic
generator)send the traffic to the routers.
Scale N PBB-EVI's in DUT,R1 and MHPE2.Send F frames to DUT from CE
using traffic generator with X different SA and DA for N EVI's. Send
F frames from traffic generator to R1 with X different SA and DA.
There will be 2X number of MAC address will be learned in DUT PBB-
EVPN MAC table. There is a bi directional traffic flow with F pps in
Each direction. The DUT must run with traffic for 24 hours, every
hour check the memory leak, crashes.
Measurement :
Take the hourly reading of CPU process, memory usages. There should
not be any memory leak, crashes,CPU spikes.
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8. Acknowledgements
We would like to thank Fioccola Giuseppe of Telecom Italia reviewing
our draft and commenting it. We would like to thank Sarah Banks for
guiding and mentoring us.
9. IANA Considerations
This memo includes no request to IANA.
10. Security Considerations
There is no additional consideration from RFC 6192.
11. References
11.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>.
[RFC2544] Bradner, S. and J. McQuaid, "Benchmarking Methodology for
Network Interconnect Devices", RFC 2544,
DOI 10.17487/RFC2544, March 1999,
<https://www.rfc-editor.org/info/rfc2544>.
[RFC2899] Ginoza, S., "Request for Comments Summary RFC Numbers
2800-2899", RFC 2899, DOI 10.17487/RFC2899, May 2001,
<https://www.rfc-editor.org/info/rfc2899>.
11.2. Informative References
[RFC7432] Sajassi, A., Ed., Aggarwal, R., Bitar, N., Isaac, A.,
Uttaro, J., Drake, J., and W. Henderickx, "BGP MPLS-Based
Ethernet VPN", RFC 7432, DOI 10.17487/RFC7432, February
2015, <https://www.rfc-editor.org/info/rfc7432>.
[RFC7623] Sajassi, A., Ed., Salam, S., Bitar, N., Isaac, A., and W.
Henderickx, "Provider Backbone Bridging Combined with
Ethernet VPN (PBB-EVPN)", RFC 7623, DOI 10.17487/RFC7623,
September 2015, <https://www.rfc-editor.org/info/rfc7623>.
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Appendix A. Appendix
Authors' Addresses
Sudhin Jacob (editor)
Juniper Networks
Bangalore
India
Phone: +91 8061212543
Email: sjacob@juniper.net
Kishore Tiruveedhula
Juniper Networks
10 Technology Park Dr
Westford, MA 01886
USA
Phone: +1 9785898861
Email: kishoret@juniper.net
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