Which access layer device was used for the Vancouver 2010?
Avaya ERS 5500 Series The Ethernet Routing Switch 5500 Series or (ERS 5500) is a series of stackable, Layer 3 switches used in computer networking. The ERS 5000 was originally designed by Nortel and is now manufactured by Avaya. Up to 8 ERS 5000 Series Switches may be stacked in a 640 Gbit/s fast stacking configuration. This Switch was used as the access layer device for the 2010 Winter Olympics games. The 817 Access Switches supported 8782 Voice-over-IP telephones.
H.320 H.320 is an "umbrella recommendation" by the ITU-T for running Multimedia (Audio/Video/Data) over ISDN based networks. The main protocols in this suite are H.221, H.230, H.242, audio codecs such as G.711, and video codecs such as H.261 and H.263.