Method of assigning circuit ID's in an IS-IS compliant network
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United States of America Patent
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Jul 1, 2003
Grant Date -
N/A
app pub date -
Sep 4, 1998
filing date -
Sep 4, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
The number of possible circuits that can be linked to each node operating in accordance with the IS-IS standard is expanded from the 256 limit set by the IS-IS standard to a larger arbitrary number. Each node is initially assigned and can use on each circuit a pseudonode ID containing any arbitrary, non-zero circuit ID. This status continues until it is determined that the said node is to become DIS on this LAN; if that happens, the arbitrary circuit ID is abandoned, and the system itself is allowed (using the IS-IS standard process) to reassign a pseudonode ID containing a circuit ID that is indeed unique on the LAN and therefore unused. If the said node has not been determined as DIS on the LAN, it continues to use the arbitrarily assigned circuit ID.
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