McKeown Group OpenFlow v1.0 Weekly Status Report
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Transcript of McKeown Group OpenFlow v1.0 Weekly Status Report
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McKeown Group OpenFlow v1.0Weekly Status Report
Week1/2011(01/05 Wed—01/11 Tue)
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Action Plan
Inst
all
FV, O
IMIn
stal
l FV
, OIM
Wired
Upd
ate
Fl
owVi
sor
Upd
ate
Fl
owVi
sor
Demonetwork
Problem survey / debug current network
Problem survey / debug current network
Merge in ofwifi
network
Merge in ofwifi
network
Test opt-in/exptsTest opt-in/expts
Remove ofwifi overlap
+ use HP
Remove ofwifi overlap
+ use HP
Dec Week 1
Dec Week 2
DecWeek 3
Dec Week 4
Jan Week 1
Jan Week 2
Jan Week 3
Jan Week 4
NovWeek 4
Nov Week 4
User experience surveyUser experience survey
Test bandwidth and CPU slicing
Test bandwidth and CPU slicing
Trial of Netgear switch and Beacon controllerTrial of Netgear switch and Beacon controller
Easy startEasy start
Debug all errorsDebug all errors
Wireless
Finishingnew imageFinishing
new imageDeploy New
MeasurementDeploy New
Measurement
Stabilize/Debug issuesStabilize/Debug issues
Plan/design new authentication
Plan/design new authentication
DeployNew auth
DeployNew auth
Stabilize/Debug issues for new auth
Stabilize/Debug issues for new auth
Plan/designPackard/CIX deploy
Plan/designPackard/CIX deploy
11nfor 3A
11nfor 3A
Overallproduction
Rollout new SNACRollout new SNAC
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Status Update
WIRED• Pkt-in loop in NEC
– Added SNAC debugging messages. – Finally found the bug. Fixed this morning (but need to
check this is a real fix).
• Merging ofwifi and production wired network– Doing today
• Upgraded FlowVisor and it is more stable with low flow setup time
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Status Update
DEMO NETWORK• Removed ofwifi overlap on necsw• Moved hpsw4 in place of necsw3 (which will be used
for testing)
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Status Update
WIRELESS• New flowvisor has reduced flow setup time. Once it was
very unstable but now it is stablized• Still experiencing fluctuating flow setup time
– Will work on with Rob to debug this issue
• Other buildings– Packard: All 15 Aps reflash/configuration done.
• 1 AP has Flash Card issue. Need to be replaced..• Will connect to Gates ofwifi network once it is stablized
– CIS: 5 Aps are flashed• Will work with Joe to install them
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Performance SummaryWIRED NETWORK• Everything is normal
– New FV reduced the flow setup time to normal• Slow downlink speed from the Internet
– Not OpenFlow network issue. Stanford network has some issue
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Performance SummaryWIRELESS NETWORK• Unstable due to the new FlowVisor’s unstablility
– Resolved yesterday• Fluctuating flow setup time
– New FlowVisor reduced flow setup time, but still experiencing fluctuating time
• Slow downlink speed from the Internet– Not OpenFlow network issue. Stanford network has some issue
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Performance (WIRED)
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Network Configuration
hpsw3hpsw3
netfpga1netfpga1
indigo1indigo1Masa
Paul
Srini/Tatsuya/Rob
Dan
• Adam• Payman• Brandon/David E/Glen• Lots of power meters
We’ll use this color code for the switch
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Controller (at openflow5.stanford.edu) SNAC (v1.0 wire compat)
necsw5necsw5
Non-OF uplink
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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
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Flow Statistics per switch
Switch Avg # Flows Avg Flow Setup Rate [flow/sec]
necsw5 141.7 4.2necsw6 0.5 169.2hpsw4 1.7 0hpsw3 160.3 8.2indigo1 69.5 8.6netfpga1 61.2 5.9nonof - -
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Flow statistics (# of active flows)
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Flow statistics (flow injection rate)
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CPU usage
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Total Traffic Volume per switchNot available for indigo1 nor netfpga1
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Network Performance
• Flow setup delay• E2E RTT• wget delay
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Flow Setup Delay
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Flow Setup Delay
switch 10ms 100ms 1000msnecsw5 48.3807 94.8953 99.7565necsw6 40.6156 98.7644 99.7716Hpsw4 88.3423 94.6892 99.0871Hpsw3 88.5713 99.2763 99.8099Indigo1 17.1662 97.9194 99.8894
netfpga1 94.5294 99.3266 99.9713Nonof 48.3807 94.8953 99.7565
Percentage of time flow setup delay is less than the target value
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RTT E2E RTT from each switch
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RTT
switch 1ms 10ms 100msnecsw5 99.9839 99.9857 99.9915necsw6 99.9821 99.9932 99.9949hpsw4 - - -hpsw3 99.969 99.9877 99.9909indigo1 99.9785 99.9906 99.9921netfpga1 99.9847 99.986 99.9912nonof 99.9915 99.9997 99.9997
Percentage of RTT is less than the target value
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wget delay
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Performance (WIRELESS)
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Network Configuration (no change)
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
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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
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Flow Statistics per switch
Switch Avg # Flows Avg Flow Setup Rate [flow/sec]
necsw4 222.7 30.2
necsw1 77.8 4.5
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Flow statistics (# of active flows)
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Flow statistics (flow injection rate)
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Switch CPU usage
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Total Traffic Volume per switch
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Network Performance
• Flow setup delay• E2E RTT• wget delay
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Flow Setup Delay
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Flow Setup Delay
switch 10ms 100ms 1000msnecsw4 26.8562 89.8172 98.8306
necsw1 37.6574 95.8749 99.1936
Percentage of time flow setup delay is less than the target value
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RTT E2E RTT from each switch
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RTT
switch 1ms 10ms 100msnecsw4 99.4844 99.4998 99.5966
necsw1 99.4827 99.507 99.6211
Percentage of RTT is less than the target value
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wget delay
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