McKeown Group OpenFlow v1.0Weekly Status Report

Week6/2011(02/09 Tue—02/15 Tue)

1

Status UpdateWIRED NETWORK• Bigswitch controller crashed 2-3 times in a week• Fail open mode on HP worked well (From Fri thru

Mon, it was fail open mode)• FV upgraded to FV 0.7 (but removed)

DEMO NETWORK• Upgraded to FV 0.7• Started to see a lot of unidirectional links (debugging

now)

2

Status UpdateWIRELESS• Still trying to remove other spikes

3

Performance Summary

WIRED NETWORK• None

WIRELESS NETWORK• Spikes in flow setup time

– Trying to reduce further

Performance (WIRED)

5

Network Configuration

hpsw3hpsw3

netfpga1netfpga1

indigo1indigo1Masa

Paul

Rob

Dan

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

6

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

7

Flow Statistics per switch

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

necsw6 122.9 11.1

indigo1 82.3 9.6

netfpga1 76.8 3.4

nonof NA NA

8

Flow statistics (# of active flows)

9

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

Flow statistics (flow injection rate)

10

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

CPU usage

11

Total Traffic Volume per switch

12

Not available for indigo1 nor netfpga1

Network Performance

• Flow setup delay• E2E RTT• wget delay

13

Flow Setup Delay

14

Flow Setup Delay

switch 10ms 100ms 1000msnecsw6 59.6839 99.741 99.9165

Indigo1 17.8956 98.8942 99.935

netfpga1 97.3151 99.98 99.9967

Nonof 99.9933 99.9983 100.0

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

15

RTT E2E RTT from each switch

16

RTT

switch 1ms 10ms 100msnecsw6 98.2464 99.8348 99.8658

indigo1 98.2395 99.8386 99.8548

netfpga1 98.2023 99.8247 99.8615

nonof 98.3954 99.9962 100.0

Percentage of RTT is less than the target value

17

wget delay

18

Performance (WIRELESS)

19

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

21

Flow Statistics per switch

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

necsw4 133.7 36.2

necsw1 73.9 5.5

22

Flow statistics (# of active flows)

23

Flow statistics (flow injection rate)

24

Switch CPU usage

25

Total Traffic Volume per switch

26

Network Performance

• Flow setup delay• E2E RTT• wget delay

27

Flow Setup Delay

28

Flow Setup Delay

switch 10ms 100ms 1000msnecsw4 45.2152 90.9751 99.3055

necsw1 31.7165 90.2907 96.6687

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

29

RTT E2E RTT from each switch

30

RTT

switch 1ms 10ms 100msnecsw4 99.8892 99.8934 99.8952

necsw1 99.8627 99.8718 99.8787

Percentage of RTT is less than the target value

31

wget delay

32