Gateway apparatus with LAC function
1 Assignment
0 Petitions
Accused Products
Abstract
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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Citations
23 Claims
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1-17. -17. (cancelled)
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18. A gateway apparatus connected to a web cache server, a plurality of user terminals and an intermediate network accommodating at least one ISP (Internet Service Provider) network connected to the Internet, said gateway apparatus comprising:
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a plurality of line interfaces each for communicating PPP (Point to Point Protocol) packets with one of said user terminals;
a cache server interface for communicating with said web cache server; and
a packet transfer controller for extracting an IP (Internet Protocol) packet from a web traffic PPP packet received by any one of said line interfaces, transferring the IP packet to said web cache server via said cache server interface, and transferring a response IP packet received from said web cache server via said cache server interface to one of said user terminals, after converting the response IP packet into a Web traffic PPP packet, wherein one of said user terminals is the sender of said web traffic PPP packet. - View Dependent Claims (19, 20, 21, 22, 23)
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Specification