公开(公告)号：US11258701B2

公开(公告)日：2022-02-22

申请号：US15733425

申请日：2019-02-01

Applicant: NOKIA SOLUTIONS AND NETWORKS OY

Inventor： Zhiyuan Hu ,  Mingyu Zhao ,  Lina Wang ,  Zhigang Luo

IPC: H04W56/00 ,  H04L45/30 ,  H04L45/00 ,  H04L47/2441 ,  H04L69/08

Abstract: Embodiments of the present disclosure relate to method and device for interworking between service function chain (i.e., service chain) domains In some embodiments, there is provided a communication method comprising: receiving, at a first logic node of a first service chain in a first domain, a first packet associated with a second service chain in a second domain; converting the first packet into a second packet comprising first interworking information between the first service chain and the second service chain, the first interworking information comprising a flag indicating that the second packet is an interworking packet, an address of the first logic node, a first flow identifier of the second packet, a first service path identifier of the second packet and metadata associated with the second service chain; transmitting the second packet to a second logic node in the second domain; and receiving from the second logic node a response to the metadata.