| 摘要 |
Described herein are mechanisms and methods that facilitate enabling a first network module to “take over” for a second network module. An access router can be configured to act as a regional mobility agent with respect to a wireless terminal. The wireless terminal can then identify a different access router that is to act as a regional mobility agent, and transmit such request to a mobility agent. The mobility agent can create a tunnel with the access router that is acting as the mobility agent, and such access router can create an add message and transmit such message to other access routers associated with the wireless terminal. The add message informs the access routers that a particular access router is acting as a regional mobility agent and aids in creating tunnels between access routers.
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