CPC H04L 45/74 (2013.01) [H04L 45/00 (2013.01); H04L 45/306 (2013.01); H04L 45/38 (2013.01); H04L 45/64 (2013.01); H04L 67/10 (2013.01); H04L 67/63 (2022.05); H04L 69/325 (2013.01); H04L 41/5054 (2013.01); H04L 2212/00 (2013.01)] | 20 Claims |
1. A method comprising:
receiving, by a computing device and according to a layer 3 routing protocol, a service function instance route advertisement that includes service function instance data for a service function instance, the service function instance data indicating a service function type and a service identifier that uniquely identifies the service function instance among service function instances of the service function type;
receiving, by the computing device and according to the layer 3 routing protocol, a service function chain route advertisement that includes service function chain data for a service function chain, the service function chain data indicating a service path identifier and one or more service function items; and
sending, by the computing device, to the service function instance, and based at least on determining that a service function item of the one or more service function items indicates the service function instance, a packet classified to the service function chain.
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