McKeown Group OpenFlow v1.0Weekly Status Report

Week8/2011(02/23 Wed —03/01 Tue)

1

Status UpdateWIRED NETWORK• Bigswitch managed network is a bit slow if we increase users• SNAC managed network became stable after restarting the

NetFPGA switch

DEMO NETWORK• Still debugging the missing links because of FV upgrade to 0.7

WIRELESS• Still trying to remove other spikes in RTT• Testing NEC Helios controller

2

Performance Summary

WIRED NETWORK• Good performance for SNAC managed network

WIRELESS NETWORK• Spikes in flow setup time and RTT

– Trying to reduce further

Performance (WIRED)

4

Network Configuration

hpsw3hpsw3

netfpga1netfpga1

indigo1indigo1Masa

Paul

Rob

Dan

• Adam• Peyman• Brandon/David E/Glen• Lots of power meters

5

Controller (at openflow7.stanford.edu) SNAC (v1.0 wire compat)

necsw6necsw6

Non-OF uplink

hpsw1hpsw1

Srini

Controller @opeflow-controller1BigSwitch Controller

Measured metrics 　 (no change)

• Switch Statistics– Active flows– Flow injection rate– CPU usage– Traffic volume

• Network Performance– Flow setup delay– E2E RTT– E2E packet loss rate– wget delay

6

Flow Statistics per switch

Switch Avg # Flows Avg Flow Setup Rate [flow/sec]

necsw6 98 7.3

indigo1 85.9 7.8

netfpga1 65.3 2.2

nonof NA NA

7

Flow statistics (# of active flows)

8

Flow stats not available on hpsw3/hpsw1 (BigSwitch does not provide it)

Flow statistics (flow injection rate)

9

Flow stats not available on hpsw3/hpsw1 (BigSwitch does not provide it)

CPU usage

10

Total Traffic Volume per switch

11

Not available for indigo1 nor netfpga1

Network Performance

• Flow setup delay• E2E RTT• wget delay

12

Flow Setup Delay

13

Flow Setup Delay

switch 10ms 100ms 1000msnecsw6 54.7342 97.4138 98.8056Indigo1 11.6331 96.5132 98.7021netfpga1 92.4287 97.8204 98.9754Nonof 99.7424 99.9047 100.0

Percentage of time flow setup delay is less than the target value

14

RTT E2E RTT from each switch

15

RTT

switch 1ms 10ms 100msnecsw6 97.6197 99.3547 99.8521indigo1 97.621 99.0727 99.8136netfpga1 96.7115 98.3037 99.4665nonof 98.5789 99.9784 99.9861

Percentage of RTT is less than the target value

16

wget delay

17

Performance (WIRELESS)

18

Network Configuration (added necsw3)

necsw1necsw1

We’ll use this color code for the switchController (at openflow1.stanford.edu) SNAC (v1.0 wire compat) FlowVisor (currently removed due to slow flow setup time)

necsw4necsw4

Non-OF uplink

ap17ap17 ap18ap18 ap15ap15 ap16ap16 ap2ap2ap2ap2

ap2ap2ap2ap2

ap2ap2ap2ap2

24 tunnelingAPs

Measured metrics 　 (no change)

• Switch Statistics– Active flows– Flow injection rate– CPU usage– Traffic volume

• Network Performance– Flow setup delay– E2E RTT– E2E packet loss rate– wget delay

20

Flow Statistics per switch

Switch Avg # Flows Avg Flow Setup Rate [flow/sec]

necsw4 94.5 44.7necsw1 56 7.3

21

Flow statistics (# of active flows)

22

Flow statistics (flow injection rate)

23

Switch CPU usage

24

Total Traffic Volume per switch

25

Network Performance

• Flow setup delay• E2E RTT• wget delay

26

Flow Setup Delay

27

Flow Setup Delay

switch 10ms 100ms 1000msnecsw4 42.2925 90.2874 99.1403necsw1 1.217 97.9274 99.9008

Percentage of time flow setup delay is less than the target value

28

RTT E2E RTT from each switch

29

RTT

switch 1ms 10ms 100msnecsw4 98.4151 98.9303 99.6843necsw1 98.2794 98.8609 99.6892

Percentage of RTT is less than the target value

30

wget delay

31