| 摘要 |
<P>PROBLEM TO BE SOLVED: To mitigate congestion in access networks by controlling communications bandwidth used by mobile nodes. <P>SOLUTION: A telecommunications system provides mobile internet protocol related communications services to mobile nodes 26, 28 via a plurality of access networks 20, 22, 24. A mobility manager 40 directs a change of affiliation of a first mobile node between the access networks, or a change of communications session level of the mobile node, in accordance with the congestion state of the access networks, the link quality currently experienced by the mobile node, applications server messages and the level of service quality to which the first mobile node has subscribed. A quality of service for communications sessions of a mobile node can be maintained even on unregulated access networks, such as WLANs independently of a Mobile IP v4/v6 stack. <P>COPYRIGHT: (C)2012,JPO&INPIT |
