Device of dynamically assigning variable length prefixes for...

Details Device of dynamically assigning variable length prefixes for... Device of dynamically assigning variable length prefixes for...

2005-12-19

2009-08-18

Shah, Chirag G. (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S393000, C370S395300

Reexamination Certificate

active

07577138

ABSTRACT:
Example embodiments disclose a prefix assignment device for use in network equipments of an Internet Protocol communication network, the device including a processing module. The processing module of the prefix assignment device may determine a node Nj associated with an unassigned prefix Pj of length L(Pj) equal to L(Rk)−m. The processing module may also assign prefix Pj to the network equipment Rk if m is equal to 0 and/or perform successive m loops if m is greater than 0. The module may select one of the two prefixes with lengths equal to L(Rk) for assignment to the network equipment Rk.

REFERENCES:
patent: 2003/0182445 (2003-09-01), Smith
O. Troan et al, “IPv6 Prefix Options for Dynamic Host Configuration Protocol (DHCP) version 6”, IETF Standard, Internet Engineering Task Force, IETF, CH, Dec. 2003 XP015009415.
Byung-Yeob Kim et al, Hierarchical Prefix Delegation Protocol for Internet Protocol Version 6 (IPv6), IETF Standard-Working-Draft, Internet Engineering Task Force, IETF, CH, No. 1, Feb. 15, 2004, XP015011290.
T. J. Kniveton et al, “Mobile Network Prefix Delegation”, IETF Standard-Working-Draft, Internet Engineering Task Force, IETF, CH, Oct. 15, 2004.

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