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This is what they did NOT! Just read IPv6 related RFCs. A lot of differences. If they did that in 1997, we would probably be on IPv6 long time ago...
by Borg3 2y ago
This is what they did NOT! Just read IPv6 related RFCs. A lot of differences.
If they did that in 1997, we would probably be on IPv6 long time ago...
- bluGill 2y agoNo we wouldn't, I worked on routers in 1997: the differences with IPv6 made our job much easier. The hard parts about IPv6 are changing the number of bits makes everything incompatible. That means all software and books needs to be rewritten to work with the new protocol and there is no way around that. Of course you probably never worked with source routing in IPv4 - I spent a lot of time testing it because marketing couldn't prove none of our customers used it. Even then nearly all routers shipped configured to drop any packet with source address routing, but to comply with the rfcs we had to make it work.
- Borg3 2y agoSource routing? Can you tell me what you used it for? The only place where source routing is used these days is MPLS-SR aka Segment Routing. The edge router precompute the path and sets all labels. Core routers just pop those labels and switch. Most of time you just use normal routing or ocassionaly PBR (Policy Based Routing) with is not source routing. Src IP can be one of the parameters to decide.