UW Campus Network Upgrade Terry Gray Director, Networks & Distributed Computing University of Washington Oct 12, Internet2 Meeting

Simplified Network Topology Router Border Router Core Switch Edge Switch Edge Switch Interior Switch Interior Switch Gigapop Internet2 Desktop Internet Fed Nets Branch Site 40,000 PBX

Current Statistics Avg Backbone traffic: 500 GB/day Peak Abilene traffic: > 500 Mbps Inbound Peak Commodity traffic: 50 Mbps Inbound Doubling time: 1.3 years Hosts: nearly 40,000 Modems: over 2,000 Switched subnets: 30% 10/100 FD subnets: 5% Cat 5 buildings: 10%

Network Upgrade Priorities Campus –Backbone, Subnet Bandwidth; Switching –Separate GE backbone for Hi-BW tests –Security (e.g. VPNs, IDS) –Multicast –Wireless –eQoS/DiffServ MAN/WAN –VoIP –MPLS –MAN/WAN QoS

Baseline Services Shared 10Mbps HD Switched 10Mbps HD Switched 10/100Mbps FD –backed by GE switch/router infrastructure Goal: Switched 10/100 FD for all; GE for a few Reality: Cat3 wireplant upgrade will take multiple years and multiple millions of dollars

Building/Subnet Status Connected buildings: 150 –Category 3 = 133 –Category 5 = 17 Buildings with 10/100 FD and GE backing –Two buildings, 12 subnets Departmental subnets: 278 –Shared 10 = approx 185 –Switched 10 = 80 –Switched 10/100 = 12 –So: 1/3 of subnets (93/278) switched

Barriers to eQoS Deployment Buildings with Cat 3 wireplant = 10Mbps HD Need OS and Apps w/DiffServ Need Switches/Routers w/DiffServ Wide-area issues (BB, MPLS, Recharge) Subscription ($$$) services? Lots of interesting policy and tech issues… SEE