Patent ID: 9380020
Filing Date: 2016-06-28
CPC Classification: H04L,H04W

Claim Text:
1. A method for a mobile node dynamically obtaining a location identifier, applied in a locator/ID separation protocol (LISP) network, comprising: when a mobile node moves to a new location, sending an address information allocation request carrying an option to an address information allocation device which announces routing information of globally routable address information to a routing list of an Internet Default Forward Zone (DFZ), wherein, the option comprises attribute information of which a value represents globally routable; and after receiving the address information allocation request, the address information allocation device preferentially selecting the globally routable address information in locally available address information resources, and then replying with an address information allocation response carrying the selected address information to the mobile node, wherein, the address information comprises an address or a routing prefix; when a correspondent node, a location of which is not usually changed in regard to the mobile node, sends a data package of which a destination address is an Endpoint Identifier of the mobile node (MEID), performing mapping searching only once to find the globally routable address information of the mobile node, and performing LISP encapsulation once on the data package.