| 摘要 |
Disclosed is a method for reducing signaling overhead of a mobile node that maintains at least one active Next Steps in Signaling (NSIS) session, has a MOBIKE connection to a virtual private network (VPN) gateway, and changes its link to the Internet. Said method comprises the following steps: at least the IP address of the VPN gateway and/or an address space corresponding to the subnetwork of the VPN gateway is/are inserted into the message routing information (MRI) object contained in the NSIS message; a value is defined for a security parameter index (SPI); the SPI value is inserted into the MRI object; the S flag is set in the MRI object; an address space that refers to the IP address of the mobile node is inserted into the MRI object.
|
