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SRv6

Segment Routing over IPv6 (SRv6) is mostly a solution in search of a problem, reimplementing source routing with various forms of IPv6 extension headers. Not surprisingly, its vocal proponents sell it as the ultimate solution to all networking problems.

Is It Useful?

Is it useful to have yet another tunneling mechanism with source routing capabilities? Here are a few thoughts:

No, It Is Not

Quite a few people (myself included) came to the conclusion that SRv6 makes little sense:

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