Determining availability of a destination for computer...

Details Determining availability of a destination for computer... Determining availability of a destination for computer...

2004-11-12

2008-10-21

Backer, Firmin (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000

Reexamination Certificate

active

07440453

ABSTRACT:
Determining availability of a destination for computer network communications that include providing on a caching device a destination availability cache comprising at least one cache entry representing availability of a destination and providing, from the caching device to a source, through computer network communications, information indicating the availability of the destination. In typical embodiments, the cache entry comprises a network address of a destination device and a time limitation for the cache entry.

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patent: 7304959 (2007-12-01), Swaroop et al.
U.S. Appl. No. 09/630,749, filed Aug. 2, 2000, Booth et al.
U.S. Appl. No. 10/834,714, Apr. 29, 2004, Banerjee et al.
Massarani; Dynamic Internet Adaptation Based on a Measured Connection Speed; Research Disclsoure n 441, Article 133; Jan. 2001; p. 143; IBM; US.

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