DATA TRANSMISSION METHOD, FIRST CSE, INTERMEDIATE CSE AND SECOND CSE

摘要

Disclosed is a data transmission method. The method comprises: receiving, by a first CSE, a resource request sent by a local first AE to a second AE, and sending, by the first CSE, the resource request to a local second CSE of the second AE through an intermediate CSE, wherein the intermediate CSE refers to one or more CSEs on a path between the first CSE and the second CSE; and saving, by the first CSE, the second CSE and the intermediate CSE, a transmission state of the resource request. Also disclosed at the same time are a first CSE, an intermediate CSE and a second CSE.