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Wi-fi at Yale University
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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?
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