Appeal No. 2001-1851
Application No. 08/815,363
BACKGROUND
The invention is directed to a system and method for providing Internet services
using a public switched telephone network. Claim 16 is reproduced below.
16. A wide area communications network for serving a plurality of defined
geographic areas served by a switched telephone network comprising:
a plurality of central office switching systems in said telephone network in
said geographic areas connected to a plurality of terminals in premises served by
said switching systems in said geographic areas;
a switched multimegabit data service (SMDS) network spanning said
geographic areas, said SMDS network having a plurality of connection points
coupled to a respective one of a plurality of Internet Service Providers (ISPs);
at least one data hub node in each said geographic area;
each said at least one data hub node being connected to said SMDS
network;
each said at least one data hub node including a gateway router
connected via a packet switch and at least one access server to one of said
central office switching systems, said access server being connected to one of
said plurality of premises terminals via a switched path through a central office
switching system in response to a dial up call from said one terminal;
each of said at least one data hub node routing signals therethrough at
least partially by source routing.
The examiner relies on the following references:
Sistanizadeh et al. (Sistanizadeh) 5,790,548 Aug. 4, 1998
(filed Apr. 18, 1996)
Norris et al. (Norris) 5,805,587 Sep. 8, 1998
(filed Nov. 27, 1995)
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