System and method of IP packet forwarding across directly connected forwarding elements
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United States of America Patent
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-
Apr 3, 2007
Grant Date -
Feb 27, 2003
app pub date -
Aug 17, 2001
filing date -
Aug 17, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods are provided through which a packet is transferred within a router through the use of a switch-label. The switch-label is generated upon receipt by a component of the router. The switch label indicates an address within the router of another component within the router that will transmit the packet to a destination outside the router. The switch-label uses an abbreviated address of components within the router. The address is abbreviated because the number of potential addresses within a router is significantly less than the number of addresses outside the router that require a fill address. As a result, transferring of the packet within the router is faster because processing the switch-label using an abbreviated address is faster than processing a full address.
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