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Re: [ipwave] 118

Eric Gray <eric.gray@ericsson.com> Wed, 17 April 2019 14:24 UTC

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From: Eric Gray <eric.gray@ericsson.com>
To: "Joel M. Halpern" <jmh@joelhalpern.com>, Alexandre Petrescu <alexandre.petrescu@gmail.com>
CC: "<int-dir@ietf.org>" <int-dir@ietf.org>, IETF Discussion <ietf@ietf.org>, "its@ietf.org" <its@ietf.org>, "draft-ietf-ipwave-ipv6-over-80211ocb.all@ietf.org" <draft-ietf-ipwave-ipv6-over-80211ocb.all@ietf.org>
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Date: Wed, 17 Apr 2019 14:24:09 +0000
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Subject: Re: [ipwave] 118
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Adding to what Joel said, why are we attempting to define how long a MAC address SHOULD be?

-----Original Message-----
From: ietf <ietf-bounces@ietf.org> On Behalf Of Joel M. Halpern
Sent: Wednesday, April 17, 2019 9:39 AM
To: Alexandre Petrescu <alexandre.petrescu@gmail.com>
Cc: <int-dir@ietf.org> <int-dir@ietf.org>; IETF Discussion <ietf@ietf.org>; its@ietf.org; draft-ietf-ipwave-ipv6-over-80211ocb.all@ietf.org
Subject: Re: 118

Trimmed.

On 4/17/19 3:46 AM, Alexandre Petrescu wrote:
....
> 
> I propose the following:
> OLD:
>>       A randomized Interface ID has the same characteristics of a
>>       randomized MAC address, except the length in bits.  A MAC
>>       address SHOULD be of length 48 decimal.  An Interface ID
>>       SHOULD be of length 64 decimal for all types of IPv6
>>       addresses.  In the particular case of IPv6 link-local
>>       addresses, the length of the Interface ID MAY be 118
>>       decimal.
> 
> NEW:
>>       A randomized Interface ID has the same characteristics of a
>>       randomized MAC address, except the length in bits.  A MAC
>>       address SHOULD be of length 48 decimal.  An Interface ID
>>       SHOULD be of length specified in other documents.
> 
> Do you disagree?

"SHOULD be of a length specified in other documents" wihtout any reference to what the other documents are or how to find them seems like a recipe for implementor error.  Can we be somewhat more specific?

Thank you,
Joel

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