Method and apparatus for hardware forwarding of LAN frames over ATM networks
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 22, 2008
Grant Date -
May 19, 2005
app pub date -
Dec 22, 2004
filing date -
Feb 29, 2000
priority date (Note) -
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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 layer 2 protocols 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.
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