Apparatus, system and method capable of pre-allocating and...

Details Apparatus, system and method capable of pre-allocating and... Apparatus, system and method capable of pre-allocating and...

2005-04-15

2008-12-09

Urban, Edward (Department: 2618)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C709S220000

Reexamination Certificate

active

07463607

ABSTRACT:
An embodiment of the present invention provides a method of pre-allocating and communicating IP address information during wireless communication by an access point, comprising pre-caching by said AP a predetermined number of IP addresses from a backend Dynamic Host Configuration Protocol (DHCP) server. An embodiment may further comprise providing by said AP an IP subnet roaming information element that provides the IP Address that a wireless station (STA) will be obtaining if a wireless station (STA) roams to a particular AP and providing by said AP an IP subnet roaming information element that provides an IP subnet mask that determines the network address and host address portion of the IP addresses and providing by said AP provides an IP subnet roaming information element that provides that provides a Default gateway router address.

REFERENCES:
patent: 2002/0136226 (2002-09-01), Christoffel et al.
patent: 2006/0018281 (2006-01-01), Sadot et al.
patent: 2006/0047791 (2006-03-01), Bahl
patent: 2007/0002833 (2007-01-01), Bajic
Han, Y., et al.,IEEE“Design and Evaluation of an Address Configuration and Confirmation Scheme for IPv6 Mobility Support,” pp. 1270-1275, (2004).
Shen, N., et al.,Network Working Group,“DHCP Proxy Server Micro-block Allocation Scheme for IP Address Pool Managment”, pp 1-9, (2004).
International Application No. PCT/US2006/014317, International Search Report and Written Opinion.

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