Yes, I agree. I should have been more clearer, I meant must for right alignment
since,
Not mandating that would cause interop issues.
Himanshu using iPad (so excuse the auto-corrects...)
________________________________
From: Patrice Brissette (pbrisset) <pbris...@cisco.com>
Sent: Tuesday, February 21, 2017 9:39:12 PM
To: Shah, Himanshu; Sami Boutros; John E Drake; Alvaro Retana (aretana);
draft-ietf-bess-evpn-v...@ietf.org
Cc: Jeffrey (Zhaohui) Zhang; bess-cha...@ietf.org; bess@ietf.org
Subject: Re: [bess] AD Review of draft-ietf-bess-evpn-vpws-07
Himanshu,
I don’t think we should make the Eth-tag a MUST be 24 bit. It should be MAY
but if you decide to use 24 bits, it MUST be right aligned.
Regards,
Patrice Brissette
On 2017-02-21, 2:51 PM, "Shah, Himanshu" <hs...@ciena.com> wrote:
‘MAY’ does not work.
It has to be ‘MUST’, IMO.
Thanks,
Himanshu
On 2/21/17, 2:22 PM, "BESS on behalf of Patrice Brissette (pbrisset)"
<bess-boun...@ietf.org on behalf of pbris...@cisco.com> wrote:
Folks,
Why don’t we simply mention that the Eth–Tag is a 32 bit value and MAY
be set to a 24 bits instance
When 24 bits value is used is MAY be right aligned.
Regards,
Patrice Brissette
On 2017-02-21, 2:18 PM, "BESS on behalf of Sami Boutros"
<bess-boun...@ietf.org on behalf of sbout...@vmware.com> wrote:
Hi John,
I can add that the value is from 0 to 0x00ffffff, will that work?
Thanks,
Sami
On 2/21/17, 10:56 AM, "John E Drake" <jdr...@juniper.net> wrote:
>Sami,
>
>Snipped, comment inline
>
>Yours Irrespectively,
>
>John
>
>> >
>> >> Ethernet Tag ID 32-bit field MUST be set to the 24-bit VPWS
service instance
>> identifier value."
>> >
>> >
>> >
>> >Ok, but you still didn’t mention how the 24-bit value is to be
aligned in the 32-
>> bit field. I’m guessing there will be some 0-padding, but will
that the at the
>> beginning or the end?
>> >
>>
>> I made the VPWS service instance identifier a 32-bit value in
the new draft.
>>
>
>[JD] I don't think you can do this as there are multiple
implementations that use 24 bits
>
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