Re: [CCAMP] Vendor-Specific Application Code in draft-ietf-ccamp-rwa-wson-encode
"Gabriele Maria Galimberti (ggalimbe)" <ggalimbe@cisco.com> Thu, 29 January 2015 16:07 UTC
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From: "Gabriele Maria Galimberti (ggalimbe)" <ggalimbe@cisco.com>
To: "adrian@olddog.co.uk" <adrian@olddog.co.uk>, 'Leeyoung' <leeyoung@huawei.com>, "'Varma, Eve L (Eve)'" <eve.varma@alcatel-lucent.com>, "db3546@att.com" <db3546@att.com>, "'Lam, Hing-Kam (Kam)'" <kam.lam@alcatel-lucent.com>, "ggrammel@juniper.net" <ggrammel@juniper.net>, "Giovanni Martinelli (giomarti)" <giomarti@cisco.com>
Thread-Topic: [CCAMP] Vendor-Specific Application Code in draft-ietf-ccamp-rwa-wson-encode
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Date: Thu, 29 Jan 2015 16:07:28 +0000
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Cc: "paul.doolan@coriant.com" <paul.doolan@coriant.com>, "ccamp@ietf.org" <ccamp@ietf.org>, "ccamp-chairs@tools.ietf.org" <ccamp-chairs@tools.ietf.org>, "draft-ietf-ccamp-rwa-wson-encode.all@tools.ietf.org" <draft-ietf-ccamp-rwa-wson-encode.all@tools.ietf.org>
Subject: Re: [CCAMP] Vendor-Specific Application Code in draft-ietf-ccamp-rwa-wson-encode
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Hi All, I'm in favour of option 2 as well. I'd like to note that there are other drafts in ccamp that may be affected by this change: - draft-galikunze-ccamp-g-698-2-snmp-mib - draft-dharinigert-ccamp-g-698-2-lmp - draft-dharini-netmod-g-698-2-yang I'm co-author of them and as such I'll coordinate with the other authors to fix the drafts. Best Regards, Gabriele Gabriele Galimberti Technical Leader Cisco Photonics Srl via S.Maria Molgora, 48 C 20871 - Vimercate (MB) Italy www.cisco.com/global/IT/ <http://www.cisco.com/global/IT/> ggalimbe@cisco.com Phone :+39 039 2091462 Mobile :+39 335 7481947 Fax :+39 039 2092049 On 1/29/15 2:23 PM, "Adrian Farrel" <adrian@olddog.co.uk> wrote: >Hi again, > >> There is always a priori knowledge in optical network domain as to who >> are you interfacing with. So you know which vendor you are interfacing. >> If you do not know, then you are in trouble. > >Hmmm. It is exactly type of trouble we are trying to detect and protect >against. > >I refute your statement of a priori knowledge. I think there is a priori >intention, but not knowledge. Unless you have very good eyesight or >someone at the other end of the fiber when you give it a tug, you don't >know. And even then. Fibering errors happen from time to time. Consider, >in particular a patch panel. > >> Now, what is the purpose of standard FECs and modulations in the AI? >>Given >> several choices each vendor may support in its device, the path >>computation >> would find a matched types for FEC and modulation for a given optical >>path. >> This is what is intended when optical signal processing constraints >>were >> proposed as part of path computation constraints in optical networks. > > >The case you are making here is for no standard control plane! >What is the point of standardising if there is never any interworking? >But actually, we know about interworking at the physical layer, and (more >important) we know about a single, end-to-end control plane that spans >multiple vendor devices. It all exists. > >Of course, we can fall back into the old-style vendor islands, and many >like to do so. But it is not a compulsory deployment model. > >> There is very little chance for vendor specific FECs and Modulations >>will match >> even if they are identified with the OUI code. > >You have it the wrong way round! >The OUI is largely to protect against expectations of interworking when >none can exist. >It might (much less frequently) be used to describe the way that vendorA >and vendorB pick FECs and modulations in order to achieve interworking. > >Adrian > >_______________________________________________ >CCAMP mailing list >CCAMP@ietf.org >https://www.ietf.org/mailman/listinfo/ccamp
- [CCAMP] Vendor-Specific Application Code in draft… Adrian Farrel
- Re: [CCAMP] Vendor-Specific Application Code in d… Lam, Hing-Kam (Kam)
- Re: [CCAMP] Vendor-Specific Application Code in d… Gert Grammel
- Re: [CCAMP] Vendor-Specific Application Code in d… Lam, Hing-Kam (Kam)
- Re: [CCAMP] Vendor-Specific Application Code in d… Leeyoung
- Re: [CCAMP] Vendor-Specific Application Code in d… Lou Berger
- Re: [CCAMP] Vendor-Specific Application Code in d… Adrian Farrel
- Re: [CCAMP] Vendor-Specific Application Code in d… Adrian Farrel
- Re: [CCAMP] Vendor-Specific Application Code in d… Lam, Hing-Kam (Kam)
- Re: [CCAMP] Vendor-Specific Application Code in d… BRUNGARD, DEBORAH A
- Re: [CCAMP] Vendor-Specific Application Code in d… Leeyoung
- Re: [CCAMP] Vendor-Specific Application Code in d… BRUNGARD, DEBORAH A
- Re: [CCAMP] Vendor-Specific Application Code in d… Leeyoung
- Re: [CCAMP] Vendor-Specific Application Code in d… Varma, Eve L (Eve)
- Re: [CCAMP] Vendor-Specific Application Code in d… Adrian Farrel
- Re: [CCAMP] Vendor-Specific Application Code in d… Leeyoung
- Re: [CCAMP] Vendor-Specific Application Code in d… Doolan, Paul (Coriant - US/Irving)
- Re: [CCAMP] Vendor-Specific Application Code in d… Fatai Zhang
- Re: [CCAMP] Vendor-Specific Application Code in d… Dieter Beller
- Re: [CCAMP] Vendor-Specific Application Code in d… Adrian Farrel
- Re: [CCAMP] Vendor-Specific Application Code in d… Huub van Helvoort
- Re: [CCAMP] Vendor-Specific Application Code in d… Leeyoung
- Re: [CCAMP] Vendor-Specific Application Code in d… Lou Berger
- Re: [CCAMP] Vendor-Specific Application Code in d… Gert Grammel
- Re: [CCAMP] Vendor-Specific Application Code in d… Gabriele Maria Galimberti (ggalimbe)
- Re: [CCAMP] Vendor-Specific Application Code in d… Zhangxian (Xian)
- Re: [CCAMP] Vendor-Specific Application Code in d… Lou Berger
- Re: [CCAMP] Vendor-Specific Application Code in d… Daniele Ceccarelli
- Re: [CCAMP] Vendor-Specific Application Code in d… Adrian Farrel
- Re: [CCAMP] Vendor-Specific Application Code in d… Lou Berger
- Re: [CCAMP] Vendor-Specific Application Code in d… Leeyoung
- Re: [CCAMP] Vendor-Specific Application Code in d… Leeyoung
- Re: [CCAMP] Vendor-Specific Application Code in d… Daniele Ceccarelli
- Re: [CCAMP] Vendor-Specific Application Code in d… Leeyoung
- Re: [CCAMP] Vendor-Specific Application Code in d… Adrian Farrel