Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH Channel Type allocation policy
"Thomas D. Nadeau" <tom.nadeau@bt.com> Fri, 03 October 2008 13:19 UTC
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Date: Wed, 01 Oct 2008 13:21:28 -0400
From: "Thomas D. Nadeau" <tom.nadeau@bt.com>
To: Stewart Bryant <stbryant@cisco.com>, Vishwas Manral <vishwas.ietf@gmail.com>
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Thread-Topic: [mpls-tp] [PWE3] FW: Changes to PW ACH Channel Type allocation policy
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Cc: "l2vpn@ietf.org" <l2vpn@ietf.org>, BOCCI Matthew <Matthew.Bocci@alcatel-lucent.com>, "mpls@ietf.org" <mpls@ietf.org>, "ccamp@ietf.org" <ccamp@ietf.org>, "mpls-tp@ietf.org" <mpls-tp@ietf.org>, "pwe3@ietf.org" <pwe3@ietf.org>, Shahram Davari <davari@tpack.com>
Subject: Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH Channel Type allocation policy
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Stewart, I agree with you %100. It is not the time of approval that will be the issue in the long run -- I would think an expert review assignment could be serviced in a couple of weeks to a month (max) anyway. IMHO the real issue is in how the assignments get implemented later, and precisely as you say, in the data plane. The affects here unintentional or intentional, can be disastrous. --Tom (Speaking as my British alter-ego) On 10/1/08 12:12 PM, "Stewart Bryant" <stbryant@cisco.com> wrote: > Vishwas Manral wrote: >> Hi Matthew, >> >> I would like to propose another option if it is for vendor proprietery >> "Channel Type" values in the ACH header. With the number of values of >> the channel type being limited and the number of vendors actually a >> lot, I would think something in the lines of what the draft below >> talks about may make sense: >> >> http://tools.ietf.org/draft-ietf-isis-proprietary-tlv-00 >> >> The idea is give a channel type value, for vendor specific >> implemntations and further define the structure of the next header >> value for such a "channel type" to actually have a Vendor OUI value. >> >> This will allow for unlimited innovation without affecting >> interoperability, unlike the other options you have mentioned. >> >> Thanks, >> Vishwas >> > > Vishwas > > We have 65000 units of innovation, and that is without expanding into > the next > octet which is currently reserved for expansion. > > Given that we have not yet run out of UDP ports I don't think we need to > be concerned > in that regard. > > The reason that we have been very cautious in the past is because we don't > want anything that goes on in the ACH straying into the dataplane - for > example no one using the ACH as a PID and requiring the forwarder to look > at it. > > Then when we designed VCCV we had all sorts of concerns over traffic volume > and security of traffic delivered straight to the management processor. > > We were very cautious when we standardized the ACH mechanism, there is a > good case for maintaining that caution until we see what people are going > to use it for. > > Stewart (speaking as myself) > > > > _______________________________________________ mpls mailing list mpls@ietf.org https://www.ietf.org/mailman/listinfo/mpls
- [mpls] FW: [PWE3] Changes to PW ACH Channel Type … BOCCI Matthew
- Re: [mpls] [mpls-tp] FW: [PWE3] Changes to PW ACH… Shah, Himanshu
- Re: [mpls] [PWE3] FW: Changes to PW ACH Channel T… Vishwas Manral
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Stewart Bryant
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Andrew G. Malis
- Re: [mpls] [PWE3] Changes to PW ACH Channel Type … Shane Amante
- Re: [mpls] [PWE3] FW: Changes to PW ACH Channel T… BUSI ITALO
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… BUSI ITALO
- Re: [mpls] [PWE3] FW: Changes to PW ACH Channel T… Stewart Bryant
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Vishwas Manral
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Huub van Helvoort
- Re: [mpls] FW: [PWE3] Changes to PW ACH Channel T… Loa Andersson
- Re: [mpls] [PWE3] Changes to PW ACH Channel Type … BRUNGARD, DEBORAH A, ATTLABS
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Shane Amante
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Lou Berger
- Re: [mpls] [mpls-tp] [PWE3] Changes to PW ACH Cha… julien.meuric
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Loa Andersson
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Vishwas Manral
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Shane Amante
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… BOCCI Matthew
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Shane Amante
- Re: [mpls] [mpls-tp] [PWE3] Changes to PW ACH Cha… BUSI ITALO
- Re: [mpls] [PWE3] FW: Changes to PW ACH Channel T… BUSI ITALO
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… BUSI ITALO
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Shahram Davari
- Re: [mpls] [PWE3] FW: Changes to PW ACH Channel T… Stewart Bryant
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… BUSI ITALO
- Re: [mpls] [PWE3] FW: Changes to PW ACH Channel T… BUSI ITALO
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Sprecher, Nurit (NSN - IL/Hod HaSharon)
- Re: [mpls] FW: [PWE3] Changes to PW ACH Channel T… Sam Aldrin
- Re: [mpls] FW: [PWE3] Changes to PW ACH Channel T… Tom Petch
- Re: [mpls] [mpls-tp] FW: [PWE3] Changes to PW ACH… Thomas D. Nadeau
- Re: [mpls] [PWE3] FW: Changes to PW ACH Channel T… Shahram Davari
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Thomas D. Nadeau
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Thomas D. Nadeau
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Shahram Davari
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Thomas D. Nadeau
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Shahram Davari
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Ben Niven-Jenkins
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Ben Niven-Jenkins
- Re: [mpls] [Bulk] Re: [PWE3] [mpls-tp] FW: Change… Shahram Davari
- Re: [mpls] [Bulk] Re: [PWE3] [mpls-tp] FW: Change… Thomas D. Nadeau
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Luca Martini
- Re: [mpls] [Bulk] Re: [PWE3] [mpls-tp] FW: Change… Shahram Davari
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… BUSI ITALO
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… BUSI ITALO
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Shahram Davari
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Eric Gray
- Re: [mpls] [mpls-tp] [PWE3] Changes to PW ACH Cha… BRUNGARD, DEBORAH A, ATTLABS
- Re: [mpls] [mpls-tp] [PWE3] Changes to PW ACH Cha… Thomas D. Nadeau
- Re: [mpls] [PWE3] [mpls-tp] Changes to PW ACH Cha… Shahram Davari
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Luca Martini
- Re: [mpls] [mpls-tp] [PWE3] Changes to PW ACH Cha… Shane Amante
- Re: [mpls] Changes to PW ACH Channel Type allocat… Loa Andersson
- Re: [mpls] [mpls-tp] FW: [PWE3] Changes to PW ACH… Annamaria Fulignoli
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Annamaria Fulignoli
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Maarten Vissers
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Maarten Vissers
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… Alexander Vainshtein
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… julien.meuric
- Re: [mpls] [PWE3] [mpls-tp] FW: Changes to PW ACH… BOCCI Matthew
- Re: [mpls] [mpls-tp] [PWE3] FW: Changes to PW ACH… Annamaria Fulignoli