| 摘要 |
A gateway apparatus 104 connected to an access network 105 accommodating a plurality of ISP networks 108, and having an LAC function of transferring a PPP frame received from a user terminal to any one of the ISP networks via an L2TP connection set on the access network, includes: a cache server interface 112 for connection to a cache server; and a packet transfer controller (81A to 81C and 87) for selecting a PPP frame in which a Web contents request message is included in a payload field from a stream of PPP frames received from a user terminal, and transferring the request message indicated in the PPP frame to the cache server via the cache server interface.
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