Wisconsin Testbed; Design Considerations SDN Dev Group, Week

Wisconsin Testbed; Design Considerations SDN Dev Group, Week

Wisconsin Testbed; Design Considerations SDN Dev Group, Week 2 Aaron Gember Aditya Akella University of Wisconsin-Madison 1 Development Progress High-level design

Problems encountered Lessons learned Experience with specific controllers 2 Wisconsin Testbed 3 Testbed Components Switches 3x HP ProCurve 5400 4x HP ProCurve 6600 Servers

15x Dell PowerEdge R210 (Quad-core Intel Xeon X3430, 4GB RAM, 2x 1Gbps) 5x Dell Precision T5500 (Dual quad-core Intel Xeon E5507, 12GB RAM, 1x 1Gbps) 5x HP dc5800 (Core 2 Duo, 2GB RAM, 2x 1Gbps) 4 Testbed Topology CS 4th Floor East 4300E ProCurve 6600 CS 6th Floor West 6300E ProCurve 5400

CS 3390 (WAIL) WAIL ProCurve 6600 CS Network CS 3360 (WINGS) WINGS ProCurve 5400 CS 4th Floor West 4300F ProCurve 6600 CS 6th Floor West

6300F ProCurve 5400 CS 3390 (WAIL) WAILTWO ProCurve 6600 Internet 5 Federation of network testbeds: OpenFlow (campuses, NLR, I2), Emulab, PlanetLab, etc. Live resource map: http://protogeni.net/flack GENI software stack: FlowVisor, FOAM Experimenters create a slice + slivers at each

site to reserve the resources they want 6 Testbed for SDN Dev Group eth1.2** Controller vulture lyrebird thrush

eth1.2** 1 wings-openflow-1 2 CS 3360 (WINGS) WINGS ProCurve 5400 eth1.2** 3

7 Accessing the testbed SSH to wings-openflow-1.wail.wisc.edu (from anywhere on the Internet) Username: CS username; Password: w3lcom3 Reset your password by running passwd Home directory is shared using NFS Local storage on each machine at /scratch SSH to vulture, thrush, and lyrebird to run commands on these end-hosts 8 Slices for SDN Dev Group

Should reserve resources in FOAM/FlowVisor using GENI Rspecs Statically allocated VLANs (201 210) Controller should run on wings-openflow-1 and listen on port 102** Generate traffic on vulture, lyrebird, and thrush on interface eth1.2** using IP addresses 10.2.**.0/32 9 Design Considerations

Granularity of flow entries Static vs. dynamic flow installation Switch flow table size limits Policy input Code re-use/modular design 10 SDN Dev Group Week 3 Preparation Use UW-Madison OpenFlow testbed Write an SDN application that relies on some supporting modules from the controller (e.g.,

topology, spanning tree, etc.) Meeting topics TBD 11

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