Robert,
We should probably let the authors decide if that is part of the answer to my
question.
Ron
From: Robert Raszuk <[email protected]>
Sent: Monday, December 30, 2019 6:16 AM
To: Ron Bonica <[email protected]>
Cc: SPRING WG <[email protected]>
Subject: Re: [spring] draft-ietf-spring-srv6-network-programming: Relative
advantages of SRv6
Hi Ron,
How about instead of jumping into the middle of SR piece first focus on more
fundamental comparison of IP transport vs MPLS transport in a network ?
Do you still believe that the concept of domain wide flooding of host routes
and labels attached to it - be it /32 or /128 prefixes is a wise thing ?
For years MPLS world struggled with it .... and it still hurts in many ways
today.
Instead of nicely summarized areas or regions where you advertise single IGP
summary out, when your SPF is very small (and its timers can be very
aggressive) you are flooding within or across continents all of the hosts
routes from 1000s of routers slowing the entire network down. That's just sick
network architecture to me. And the only reason for doing it ... Your transport
label is not summarizable !
For other hints pls take a look at RFC 4023 & RFC 7510 :).
Do you really see any value to copy text from those drafts into subject
document ? I do not.
Cheers,
R.
PS. Once we first agree on the proper network transport - only then there is
time to focus on service level discussions.
On Mon, Dec 30, 2019 at 11:07 AM Ron Bonica
<[email protected]<mailto:[email protected]>>
wrote:
Pablo,
Would you consider adding a short section to the draft explaining the relative
advantages of SRv6 over SR-MPLS? This section would explain why an network
operator would deploy SRv6 instead of SR-MPLS.
Ron
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