> There is a base case to the recursion, i.e., where logical information meets > fermions and bosons (literally). But that tells you only that base layer; it > tells you nothing about the meaning of the headers you see inside, e.g., in > OSI, they would be 1,2,3,4,5,6,7, but in an IP tunnel, they could be > 1,2,3,3,4,5,6,7, with GRE they could be 1,2,3,2,3,4,5,6,7, etc.
An IP tunnel with protocol number 4 is indeed 1,2,3,3,4,5,6,7, but LISP (UDP port 4341) UDP tunnels are 1,2,3,4,3,4,5,6,7 and GRE is 1,2,3,3,4,5,6,7 because it runs directly over IP with protocol number 47. Dino _______________________________________________ Int-area mailing list Int-area@ietf.org https://www.ietf.org/mailman/listinfo/int-area
