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Title:
遠距離通信の経路制御
Document Type and Number:
Japanese Patent JP2004512773
Kind Code:
A
Abstract:
A method of controlling routing of packets in a packet switched network said method comprising: allocating a first said network address to a first mobile node being served via a communications link by a first access node, at least a first routing path in said infrastructure being directed to said first access node for said first network address; altering routing in said infrastructure when said first mobile node receives service from a second access node, during a period of subsequent inactivity, removing said one or more host-specific routing entries from said infrastructure such that said mobile node has no current routing path in said network; and during during said period of inactivity, providing two separate states for said mobile node: a) a state in which said mobile node retains said first network address; and b) a state in which said first network address may be reallocated to a different mobile node.

Inventors:
O'Neill, Alan William
Corson, Matthew Scott
Application Number:
JP2002538640A
Publication Date:
April 22, 2004
Filing Date:
October 26, 2001
Export Citation:
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Assignee:
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
International Classes:
H04L12/56; H04L29/06; H04L29/12; H04L12/28; H04W8/26; H04W40/24; H04W80/04; (IPC1-7): H04L12/56; H04Q7/34
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto