Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-09-13
2005-09-13
Ho, Duc (Department: 2665)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S474000
Reexamination Certificate
active
06944164
ABSTRACT:
A multiported LAN switch comprised of legacy local area network ports and ATM ports. Each ATM port comprising a hardware forwarding engine for bridging LAN frames from the LAN ports to the ATM port. The hardware forwarding engine converts layer2protocols between the dissimilar ports expediently, without requiring intervention by a microprocessor. A substantial performance gain is attained compared to microprocessor controlled format converters. Both LAN emulation and virtual LANs are supported.
REFERENCES:
patent: 5715250 (1998-02-01), Watanabe
patent: 5732071 (1998-03-01), Saito et al.
patent: 5910954 (1999-06-01), Bronstein et al.
patent: 5974452 (1999-10-01), Karapetkov et al.
Doidge Dennis Albert
Ervin Jim P.
Henderson Douglas Ray
Ku Edward Hau-chun
Patel Pramod Narottambhai
Ho Duc
Ray-Yarletts Jeanine S.
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