TELECOMMUNICATIONS ROUTING

摘要

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 acces s node for said first network address; altering routing in said infrastructure when said first mobile node receives service from a second access node, duri ng 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 i n 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 no de.