Address acquisition
First Claim
1. A method of acquiring a network address in a communications network, the method comprising the steps of:
- establishing an entity comprising information on network addresses within a subnetwork;
creating a link with a link identifier unique within the subnetwork between a first node and a second node;
determining a network address for the first node on the basis of the link identifier;
checking by the entity whether the determined network address is unique; and
accepting the network address if the determined network address is unique.
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Accused Products
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.
112 Citations
27 Claims
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1. A method of acquiring a network address in a communications network, the method comprising the steps of:
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establishing an entity comprising information on network addresses within a subnetwork;
creating a link with a link identifier unique within the subnetwork between a first node and a second node;
determining a network address for the first node on the basis of the link identifier;
checking by the entity whether the determined network address is unique; and
accepting the network address if the determined network address is unique. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A communications network comprising:
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a subnetwork;
a first node and a second node;
an entity comprising information on network addresses within the subnetwork, the entity being able to create a link with a link identifier unique within the subnetwork between the first node and the second node and to determine a network address for the first node on the basis of the link identifier;
wherein the entity is able to check whether the determined network address is unique and to accept the network address if the determined network address is unique. - View Dependent Claims (27)
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Specification