Devil's Advocate - Segment Routing, Why?

James Bensley jwbensley+nanog at
Tue Jun 30 18:37:15 UTC 2020

On Wed, 17 Jun 2020 at 18:08, Mark Tinka <mark.tinka at> wrote:
> Hi all.
> When the whole SR concept was being first dreamed up, I was mildly excited about it. But then real life happened and global deployment (be it basic SR-MPLS or SRv6) is what it is, and I became less excited. This was back in 2015.
> All the talk about LDPv6 this and last week has had me reflecting a great deal on where we are, as an industry, in why we are having to think about SR and all its incarnations.
> So, let me be the one that stirs up the hornets' nest...
> Why do we really need SR? Be it SR-MPLS or SRv6 or SRv6+?

I am clearly very far behind on my emails, but of the emails I've read
so far in this thread though you have mentioned at least twice:

On Wed, 17 Jun 2020 at 18:08, Mark Tinka <mark.tinka at> wrote:
> What I am less enthused about is being forced

On Wed, 17 Jun 2020 at 23:22, Mark Tinka <mark.tinka at> wrote:
> it tastes funny when you are forced

Mark, does someone have a gun to your head? Are you in trouble? Blink
63 times for yes, 64 times for no ;)


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