Blakely, Sokoloff, Taylor & Zafman LLP
GPRS (general packet radio service) system with multiple GGSNS (gateway GPRS supporting nodes) and method for selecting GGSN
A GPRS system having multiple GGSNs connected to a public network, for providing a packet-based mobile service, comprises: an SGSN for controlling a connection operation according to a session request of a mobile terminal for receiving the packet-based mobile service, and transmitting a packet according to a connected session; a multiple GGSN unit including a plurality of sub GGSNs, selected by the SGSN according to a session request by the mobile terminal, for transmitting and receiving packets; a DNS for storing DNS names and IP information in the GGSNs of the multiple GGSN unit according to selection of the SGSN; an operator network for managing the DNS and communication; and an edge router for performing packet routing between the GPRS system and the public network.
Electronics and Telecommunications Research Institute
H H
H04W H04W
inventional additional
Choong-Ho Seung-Que Nam-Hoon Dae-Sik
Cho Lee Park Kim