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Re: [Teas] Adam Roach's No Objection on draft-ietf-teas-assoc-corouted-bidir-frr-06: (with COMMENT)

"Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com> Fri, 26 October 2018 19:37 UTC

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From: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>
To: Adam Roach <adam@nostrum.com>, The IESG <iesg@ietf.org>
CC: "teas-chairs@ietf.org" <teas-chairs@ietf.org>, "draft-ietf-teas-assoc-corouted-bidir-frr@ietf.org" <draft-ietf-teas-assoc-corouted-bidir-frr@ietf.org>, "teas@ietf.org" <teas@ietf.org>, Vishnu Beeram <vishnupavan@gmail.com>
Thread-Topic: Adam Roach's No Objection on draft-ietf-teas-assoc-corouted-bidir-frr-06: (with COMMENT)
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Date: Fri, 26 Oct 2018 19:37:47 +0000
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Subject: Re: [Teas] Adam Roach's No Objection on draft-ietf-teas-assoc-corouted-bidir-frr-06: (with COMMENT)
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Hi Adam,

It’s a good point and agree. Updated the draft accordingly.

Thanks,
Rakesh


On 2018-10-26, 3:28 PM, "Adam Roach" <adam@nostrum.com> wrote:

    On 10/26/18 12:35 PM, Rakesh Gandhi (rgandhi) wrote:
    >      Appendix A:
    >      
    >      >     0                   1                   2                   3
    >      >     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
    >      >    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    >      >    |                    IPv4 LSP Source Address                    |
    >      >    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    >      >    |           Reserved            |            LSP-ID             |
    >      >    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    >      
    >      What are implementors expected to set the "Reserved" bytes to?
    >      
    > <RG> Added: “The Reserved flags MUST be set to 0 on transmission and ignored when received.”
    
    
    Are you sure that's right? If so, it's not clear how the recipient knows 
    whether the Extended Association ID is in this format (as its use is a 
    "may"), and whether it's safe to ignore them.  I would expect this to 
    simply say that the Reserved bits are set to 0 on transmission without 
    saying anything about reception. This isn't as much for the sake of the 
    protocol (since the value doesn't really matter) as it is to help 
    implementors out.
    
    /a

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