Devil's Advocate - Segment Routing, Why?

Dorian Kim dorian at
Fri Jun 19 20:56:41 UTC 2020

> On Jun 19, 2020, at 11:34 AM, Randy Bush <randy at> wrote:
>> MPLS was since day one proposed as enabler for services originally
>> L3VPNs and RSVP-TE.
> MPLS day one was mike o'dell wanting to move his city/city traffic
> matrix from ATM to tag switching and open cascade's hold on tags.

And IIRC, Tag switching day one was Cisco overreacting to Ipsilon.


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