Patent ID: 11956140
Assignee: ARISTA NETWORKS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A method for servicing network traffic in a wide area network (WAN) comprising a plurality of network devices, the method being executed by a network device among the plurality of network devices and comprising:
receiving a request to transmit the network traffic to a destination network device among the plurality of network devices, wherein the request specifies that the network traffic is to be serviced by at least one network service among a plurality of network services;
determining, based on the request and using a service-aware virtual topology (SAVT) routing table, a path through the WAN for reaching the at least one network service and a service instance identifier (ID) of the at least one network service;
configuring, based on the determining, the network traffic to include a service bit indicating whether service is to be performed on the network traffic and instructions specifying the path for reaching the at least one network service; and
transmitting, after configuring the network traffic, the network traffic toward the destination device through the at least one network service.