Method of operating internet protocol address and subnet...

Details Method of operating internet protocol address and subnet... Method of operating internet protocol address and subnet...

2010-03-03

2011-11-08

Sheikh, Ayaz (Department: 2476)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S255000, C370S389000, C370S392000, C370S393000, C370S408000, C709S220000, C709S222000, C709S224000, C709S250000

Reexamination Certificate

active

08054846

ABSTRACT:
A method of operating an Internet protocol (IP) address allocates, creates, and processes an interface identifier (ID) of an IP address area. In the allocation, the IP address area includes a subnet prefix area and an Interface ID area, and certain bits of the Interface ID area are used as an index area of a subnet gateway. The allocation is implemented in order from the higher layer to the lower layer so that the Interface ID area is sequentially allocated from the higher bits for the index areas of the respective layers. The combination of the certain bits of the allocated Interface ID and the subnet prefix area of the IP address area is used as the subnet ID of the subnet layers. The lowest subnet gateway allocates the Interface ID to terminating equipment to access the IP network based on a format of the IP address.

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Office Action issued Dec. 19, 2008 in co-pending U.S. Appl. No. 11/441,981.
Notice of Allowance issued Nov. 17, 2009.

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