公开(公告)号：US20180041362A1

公开(公告)日：2018-02-08

申请号：US15784218

申请日：2017-10-16

申请人： James N. GUICHARD ,  Paul QUINN ,  Javed ASGHAR ,  Reinaldo PENNO ,  Yixing RUAN ,  Carlos M. PIGNATARO

发明人： James N. GUICHARD ,  Paul QUINN ,  Javed ASGHAR ,  Reinaldo PENNO ,  Yixing RUAN ,  Carlos M. PIGNATARO

IPC分类号： H04L12/46 ,  H04L29/06

CPC分类号： H04L12/4633 ,  H04L63/0272

摘要： A method for applying network services to data traffic forwarded between virtual private network (VPN) sites includes: receiving a data packet addressed to a target site associated with the VPN, determining services to be applied to the data packet according to a service chain, where the determining is a function of at least one of the VPN, the origin site or the target site, adding an indication of a VPN forwarding context onto the data packet, encapsulating the data packet with Network Service Header encapsulation, where a header for the encapsulated data packet indicates at least the service chain; forwarding the encapsulated data packet in accordance with the service chain, receiving the encapsulated data packet at the end of the service chain, terminating the service chain, removing the encapsulation, and forwarding the data packet to a target destination per the indication of a VPN forwarding context.