Re: [802SEC] [802-ARCH] Definition of provider bridging
My suggestion (1) was an attempt to keep the definition close to the definitions in 802.1Q rather than creating a definition in new words. - I adjusted the definition of Provider Bridged Network to cover the similar term provider bridging.
I find any of the three acceptable with a slight preference for (3) because it seems a definition that might be more understandable to the less initiated reader or (1) because of the match to 802.1Q definitions.
Pat
-----Original Message-----
From: ***** IEEE 802 Executive Committee List ***** [mailto:STDS-802-SEC@ieee.org] On Behalf Of James P. K. Gilb
Sent: Thursday, July 19, 2012 10:10 AM
To: STDS-802-SEC@LISTSERV.IEEE.ORG
Subject: Re: [802SEC] [802-ARCH] Definition of provider bridging
All
We have the following suggestions:
1) provider bridging: The use of Provider Bridges to offer its
customers protocol-transparent connectivity. See: IEEE Std 802.1Q-2011.
(combined Thaler/Johansson proposal)
2) provider bridging: the use a virtual bridged local area network to
provide separate instances of the IEEE 802(r) MAC service, MAC internal,
and enhanced internal sublayer services to multiple
independent customers. (Hamilton)
3) provider bridging: The carriage of local area networks (LANs),
bridged LANs, or virtual bridged LANs, typically by a service provider,
over provider bridges or backbone edge bridges. See: IEEE Std
802.1Q-2011. (Finn with edits by me)
I am leaning toward 1). Alternatively, we can reject the comment and
simply state that the definition of provider bridging is contained in
the text of 5.3.2.5 and attempting to define it here would either a) put
in the "wrong" definition as it would be different from the one in 801.Q
or b) repeat the 802.1Q definition, which does not make sense without
understanding the rest of the 802.1Q standard and hence it is not
self-contained.
BTW: As an alternative to "See: IEEE Std 802.1Q-2011" we could put in:
NOTE - Provider bridging is defined in IEEE Std 802.1Q-2011.
James Gilb
On 07/18/2012 05:04 PM, Norman Finn (nfinn) wrote:
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> -----
>
> I looked at the usage of the term "provider bridging" in the document. I think that clause 5.3.2.5 could be summarized as:
>
> Provider Bridging: The carriage of LANs, bridged LANs, or virtual bridged LANs, typically by a service provider, over Provider Bridges (802.1Q-2011 Clause 5.10) or Backbone Edge Bridges (802.1Q-2011 Clause 5.11).
>
> -- Norm
>
> -----Original Message-----
> From: IEEE 802 Architecture list HELP only [mailto:hdk-veuuft@HJKEEN.NET] On Behalf Of Peter Johansson
> Sent: Wednesday, July 18, 2012 16:27
> To: STDS-802-ARCH@LISTSERV.IEEE.ORG
> Subject: Re: [802-ARCH] Definition of provider bridging
>
> IEEE 802 Architecture list, hosted by 802.1:
> See www.ieee802.org/1/email-pages/foir1011.html
> or email hdk-veuuft@hjkeen.net for help.
> Archive: www.ieee802.org/1/private/emaila/
> -----
>
> James, the definitions you offer are awfully circular for my taste. Also, in
> my exposure to IEEE standards, it's not customary to cite normative
> references in the glossary--- but I freely grant you this may be my own,
> parochial viewpoint.
>
> That said, I have a very minor proposal to improve some of the language:
> change "customer protocol transparent connectivity" to "its customers
> protocol-transparent connectivity".
>
> -----Original Message-----
> From: IEEE 802 Architecture list HELP only [mailto:hdk-veuuft@hjkeen.net] On
> Behalf Of James P. K. Gilb
> Sent: Wednesday, July 18, 2012 2:29 PM
> To: STDS-802-ARCH@LISTSERV.IEEE.ORG
> Subject: [802-ARCH] Definition of provider bridging
>
> IEEE 802 Architecture list, hosted by 802.1:
> See www.ieee802.org/1/email-pages/foir1011.html
> or email hdk-veuuft@hjkeen.net for help.
> Archive: www.ieee802.org/1/private/emaila/
> -----
>
> All
>
> We have an editorial comment in the draft requesting that we add a
> definition for provider bridging. My suggestion is to add the following
> definition:
>
> provider bridging: A network using that uses Provider Bridges to offer
> customer protocol transparent connectivity. See: IEEE 802.1Q-2011."
>
> For reference, 802.Q-2011 defines the following (among other terms)
>
> 3.138 Provider Bridge: An S-VLAN Bridge or a Provider Edge Bridge.
>
> 3.139 Provider Bridged Network: A network using Provider Bridges to offer
> customer protocol transparent connectivity.
>
> 3.140 Provider Edge Bridge: A system comprising a single S-VLAN component
> and one or more CVLAN components implemented in accordance with Clause 5 of
> IEEE Std 802.1Q.
>
> Opinions?
>
> James Gilb
>
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