Wifi at Yale

David GalassiITS Network ServicesApril 11, 2011

MissionTo be recognized globally as the leading technology organization across universities,  through rock-solid services, innovation, technology leadership and community satisfaction.

Wifi will be rock solid however we strive to be world class

We need your help. If you tell us of issues we will fix it.

Coverage

100% indoor coverage

No deployed outdoor coverage: coming soon

No Yale university wifi at YNHH

5150 access points

Networks

YaleSecure: the primary wifi network to be used by any capable device by anyone with a NetId

YaleGuest: the network to be used by short term visitors to the campus. People without a NetID

Yale Wireless: Not encrypted, requires MAC registration. To be used by devices that don't support enterprise WPA2

YaleWPA,YaleWPA2: same as YaleSecure, but being retired this summer.

alphabet soup

802.11b: B=buy a new computer

802.11a and 802.11g: 54Mbps... Really 15-20 Mbps

802.11n MIMO: 450 Mbps... Really 50-100Mbps

802.11ac: Coming soon, gigabit wifi... Really who knows

Technology

Strategic technology provider is Aruba Networks

65% support 802.11n

Dual Radio support: 2.4 ghz and 5 ghz

802.11n running only at 5 ghz

the stats

13,700 devices on networks at afternoon peak. 6500 devices in fall of 2010

~30,000 unique devices seen each day

44% YaleSecure, 26% YaleGuest, 23% Yale Wireless

74% of wired ports in residential colleges unused in last 90 days

More Stats

wifi.yale.edu

introducing

What's next:Before the fall term

Say goodbye to YaleWPA and YaleWPA2

YaleGuest allows only port 80/443 and external VPN. No Yale VPN access

Re-architect wifi network for capacity rather than coverage. More APs

Continue rollout of 802.11n

What's after that:1-3 years

Continue to add capacity

Retire Yale Wireless at Medical school

Outdoor coverage:

Multicast over wifi

A solution for bonjour: wifi printers, apple TV, etc.

Creation of industry standard wifi user experience score with the help of Aruba Networks. To proactively predict user satisfaction.

802.11ac

Replace Yale Wireless with new network if necessary

Questions?Or

Complaints?