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Technology Stocks : Qualcomm Moderated Thread - please read rules before posting

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To: Caxton Rhodes who wrote (2363)	8/23/2000 10:40:18 AM
From: Caxton Rhodes	Read Replies (2) of 196964

UUNet says IPv4 may hold key to GPRS roaming By Simon Marshall, Total Telecom 22 August 2000 A mobile specialist from WorldCom subsidiary UUNet has told Total Telecom that although IPv6 would be a more suitable network solution for GPRS roaming, its implementation will probably be stalled in favor of souped-up IPv4 options. Speaking on the development of GPRS Gateway Support Nodes (GGSN) at a London conference organized by the GSM Association, UUNet mobile technology development specialist Nick Hutton said he doubted that IP version 6 would be deployed at the edge of the network. "IPv6 will allow roaming without the need for IPv4, effectively solving the problem of fixed IP addresses in a mobile world. "But I doubt IPv6 will make it out to the edge of the network, where the handsets are. Operators have been retro-fitting protocols such as MPLS and RSVP from IPv6 to IPv4 for some time, and DNS [Domain Name System] could well be used by operators to solve the problem using IPv4. It's a little known fact that over 60% of IP addresses are still available to be used by IPv4," added Hutton. Currently, IPv4 only allows IP addresses that are geographically fixed. Greater latency is introduced in mobile roaming calls as the distance from the geographical location of the IP address increases. GGSN technology acts as a proxy server, translating SS7 circuit-switched traffic to IP traffic on carrier networks. More than 400 mobile specialists from operators and vendors around the world attended the event, the first time the GSM Association has organized an event specifically for industry executives focussed on the development of GPRS services and networks.

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