update on campus networks december 2009 bruce campbell director, network services information...
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Update on Campus NetworksDecember 2009
Bruce CampbellDirector, Network Services
Information Systems and Technology
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Campus Network Advisory Group (CNAG)
• Meets once per month• Membership from IST, Faculties, Library,
Housing• Webpage at http://ist.uwaterloo.ca/CNAG– Meeting minutes– Member reports
• E-mail list [email protected]
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Wireless• Upgrade to Aruba
– 850 APs on main campus– 535 in Housing residences– Will be installing 802.11n in new buildings
• Coming– Eduroam– Traffic shaping– Network Address Translation (NAT)– Additional APs in high use areas (DC, LIB, SLC)
• Note existing coverage in most lecture rooms designed for light usage only.– Full coverage in lecture rooms average $50 per seat (802.11a/b/g/n AP,
cabling, conduit, etc)
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Network Standards
• Discussed at CNAG and CTAG• For campus consistency• Telecommunications Room (TR) standards for
new buildings• Device naming• 1-to-1 patch cabling• POE switches• Routed (layer 3) connections to new buildings
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Power over Ethernet (POE) and 1-to-1 patch cabling
• All new buildings, additions, and major renovations use:– POE switches– All jacks live
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UW Campus Network
Application Vendor Approximate Assets
Wired (switches and routers) HP Procurve (90%) $2,000,000
Core and border routers,Server load balancers
Cisco $200,000
Wireless Aruba $800,000
Machine Room Firewall Juniper $100,000
•Multiple vendor•Standards based
Gartner “magic quadrants” for Enterprise LAN, Wireless, Firewalls…
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Voice over IP (VoIP)
• Requires Power over Ethernet (POE) switches• Used in all new buildings (e.g. RAC, Pharmacy)• approximately 500 VoIP phones installed to
date• Hoping to offer zero/low cost self serve VoIP
phone moves in areas with all jacks live POE (new buildings)– Requires some development to track locations for
E911.
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Network Upgrades• Vendor end of support network gear upgraded
across campus over past 3 years. Central and Faculty funds.
• Academic support buildings upgrading to Power over Ethernet, all jacks live. – approximately $225,000 over 3 years.
Procurve 2610-48-PWR - 48 port 10/100 POE switch $1976.00
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Network Service Provisioning
• Project underway to review how wired service is offered.
• Recognition that wireless is self serve and convenient.
• Client request and manual steps required to enable wired service.
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Number of ComputersOrg Active IP addresses (in last 120 days)
AHS 499
Arts 1283
Computer Science 1555
Engineering 3771
ES 520
Math 1404
Science 2134
Student residences 7399[1] (about 6,000 users)
Wireless 12154[1] (about 22,000 users)
Other 4162
Total 34881
[1] – resnet and wireless are dynamic IP addresses, the number of different users can be higher or lower
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Availability
• Redundant:– Core routers– Border routers– Wireless controllers– DHCP/DNS– Internet Service Providers (ISPs)– Machine room network infrastructure
• IST has staff on call 7x24– Paid annual stipend, plus overtime hours
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Network Management
• IST responsible for:– Wireless– Core/border– Academic support, Ancillaries, Residence Networks[1]– AHS, ES
• Math, CS, Eng, Science, Arts, responsible for wired network service within their respective areas.
• Standardized equipment, practices, management software• [1] – Framework document permits operational activities to
be delegated to local IT staff, to support their activities as efficiently as possible.