Address acquisition

Details Address acquisition Address acquisition

2011-04-05

2011-04-05

Wilson, Robert W (Department: 2475)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S389000, C709S222000

Reexamination Certificate

active

07920575

ABSTRACT:
In a GPRS system, a method of a mobile station acquiring an IP network address. The method comprises the steps of:the mobile station generating a link identifier and sending it to a gateway over a wireless link in a network address request together with a request to check if the link identifier is unique;the gateway receiving the network address request and checking if the link identifier is unique;the gateway responding with a network address request response including either the sending a unique link identifier confirmed as being unique or a different unique link identifier;the gateway sending a network prefix to the mobile station;the mobile station combining the interface identifier and the network prefix to generate the IP network address.

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“IP Version 6 Over PPP”, IETF RFC 2472, 1998, pp. 1-14.
“IP Version 6 Addressing Architecture”, IETF RFC 2373, 1998, pp. 1-13.
“IPv6 Stateless Address Autoconfiguration”, IETF RFC 2462, 1998, pp. 1-25.

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