Access multiplexer system for performing a stateless...

Details Access multiplexer system for performing a stateless... Access multiplexer system for performing a stateless...

2011-03-22

2011-03-22

Cho, Hong (Department: 2467)

Multiplex communications

Network configuration determination

C370S392000, C370S401000

Reexamination Certificate

active

07911972

ABSTRACT:
An access multiplexer system for performing stateless auto-configuration processes for use in networks comprising access multiplexers for receiving discovery messages from sources, which discovery messages comprise multicast destination addresses defining numbers of destinations. In order to increase the security of the networks, the system is provided with agents for replacing the original number of multicast destination addresses in the discovery messages with a further number destination addresses defining further destinations, wherein the further number of destinations is smaller than the original number of destinations. Discovery messages are defined in RFC 2461 and 2462 and comprise solicitation messages, with the sources comprising hosts and with the destinations comprising network-units, or comprise advertisement messages, with the sources comprising network-units and with the destinations comprising hosts.

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T. Narten et al, “RFC 2461—Neighbor Discovery for IP Version 6 (IPv6)” Request for Comments, Network Working Group, Internet Engineering Task Force—Internet Society, Dec. 1, 1998, pp. 1-93, XP015008245.
S. Thomson et al, “RFC 2462—IPv6 Stateless Address Autoconfiguration”, Request for Comments, Network Working Group, Internet Engineering Task Force—Internet Society, Dec. 1, 1998, pp. 1-25, XP015008246.

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