ATTACHMENT METHOD AND SYSTEM WITH IDENTIFIER AND LOCATION SPLITTING IN NEXT GENERATION NETWORK

摘要

The invention discloses an attachment method and system with identifier and location splitting in the NGN (Next Generation Network), which are used to realize an IPSPLIT-based attachment process with identifier and location splitting in the NGN, and which can be combined with the existing various functional entities in the NGN very well. The user identifier is denoted by a Host ID, in the attachment process, the user is searched by the Host ID, and in the authentication process, a key authentication method is provided for the Host ID, when mobility or multihome cause a change of the user location, the Host ID does not change, the application and connection of transport layer are bound with the user identifier, so that the application and connection will not be interrupted, the ongoing communication session and service will not be interrupted, so as to ensure the security of attachment and the seamless switching when the mobility or multihome cause a change of the host location.