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Re: [Lsr] clarification of locator block and locator node in draft-ietf-lsr-isis-srv6-extensions

Peter Psenak <ppsenak@cisco.com> Thu, 27 February 2020 17:08 UTC

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To: Chris Bowers <chrisbowers.ietf@gmail.com>, lsr@ietf.org
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From: Peter Psenak <ppsenak@cisco.com>
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Date: Thu, 27 Feb 2020 18:08:24 +0100
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Subject: Re: [Lsr] clarification of locator block and locator node in draft-ietf-lsr-isis-srv6-extensions
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Hi Chris,

On 27/02/2020 17:54, Chris Bowers wrote:
> LSR WG,
> 
> Section 9 of draft-ietf-lsr-isis-srv6-extensions-05 defines the  SRv6 
> SID Structure Sub-Sub-TLV. In particular, it defines encoding for the 
> locator block length and the locator node length.  The text refers to 
> [I-D.ietf-spring-srv6-network-programming] for the definition of these 
> concepts.
> 
> As far as I can tell, the only reference to locator block and locator 
> node in draft-ietf-spring-srv6-network-programming-10 is section 3.1 
> which has the following text:
> 
>     A locator may be represented as B:N where B is the SRv6 SID block
>     (IPv6 subnet allocated for SRv6 SIDs by the operator) and N is the
>     identifier of the parent node instantiating the SID.
> 
> I think that we need a much more detailed description of the locator 
> block and locator node.

sure, but that would be in the 
draft-ietf-spring-srv6-network-programming-10, not in 
draft-ietf-lsr-isis-srv6-extensions, as these are not a protocol 
specific constructs.

thanks,
Peter

> 
> Thanks,
> 
> Chris
>

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