HOME AGENT ON A HOME LINK
First Claim
1. A home agent on a home link, the home agent being configured to control forwarding of packets destined to a mobile node, wherein the mobile node is attached to the home link, and at least one router other than the home agent is on the home link, the home agent comprising:
- a receiving unit configured to intercept packets destined to the mobile node'"'"'s home address, wherein the receiving unit is further configured to receive from the mobile node a request to receive and forward the packets addressed to the mobile node'"'"'s home address, and wherein the mobile node includes the mobile node'"'"'s link-layer address in the request;
an advertising unit configured to advertise on the home link, on behalf of the mobile node, the home agent'"'"'s link-layer address as a destination address for the mobile node'"'"'s home address,wherein the receiving unit is further configured to receive from the at least one router, in response to advertising of the home agent'"'"'s link-layer address, the packets destined to the mobile node'"'"'s home address having the home agent'"'"'s link-layer address, and wherein the home agent further comprises;
a forwarding unit configured to forward the packets addressed to the mobile node'"'"'s home address to the mobile node using the mobile node'"'"'s link-layer address.
2 Assignments
0 Petitions
Accused Products
Abstract
In node management in a packet-switched network, a first node acts as a proxy for a second node. Both nodes have network-layer addresses at the network layer and link-layer addresses at the link layer. The first node receives a request to receive and forward packets addressed to the second node'"'"'s network-layer address. The same network-layer address is associated with the first and the second node, and the first and the second node have distinct link-layer addresses. The first node advertises to nodes attached to the packet-switched network the first node'"'"'s link-layer address as a destination address for the second node'"'"'s network-layer address; the second node does not advertise. The first node receives in response to advertising, packets destined to the second node'"'"'s network-layer address having the first node'"'"'s link-layer address and forwards packets addressed to the second node'"'"'s network-layer address to the second node using its link-layer address.
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Citations
5 Claims
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1. A home agent on a home link, the home agent being configured to control forwarding of packets destined to a mobile node, wherein the mobile node is attached to the home link, and at least one router other than the home agent is on the home link, the home agent comprising:
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a receiving unit configured to intercept packets destined to the mobile node'"'"'s home address, wherein the receiving unit is further configured to receive from the mobile node a request to receive and forward the packets addressed to the mobile node'"'"'s home address, and wherein the mobile node includes the mobile node'"'"'s link-layer address in the request; an advertising unit configured to advertise on the home link, on behalf of the mobile node, the home agent'"'"'s link-layer address as a destination address for the mobile node'"'"'s home address, wherein the receiving unit is further configured to receive from the at least one router, in response to advertising of the home agent'"'"'s link-layer address, the packets destined to the mobile node'"'"'s home address having the home agent'"'"'s link-layer address, and wherein the home agent further comprises; a forwarding unit configured to forward the packets addressed to the mobile node'"'"'s home address to the mobile node using the mobile node'"'"'s link-layer address. - View Dependent Claims (2, 3, 4, 5)
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Specification