+1 well said! On Jun 3, 2013, at 3:39 PM, Eric Gray <[email protected]> wrote:
> Agree with Larry. > > Using "Network Virtualization Overlay" is just being more specific than using > either overlay, or virtual > network. The meaning of the phrase is clear. > > In addition, I am unsure why we necessarily want to distinguish IP overlays > from MPLS overlays, as > use of MPLS as a general IP transport mechanism means it is likely that the > two may functionally overlap. > > -- > Eric > > From: [email protected] [mailto:[email protected]] On Behalf Of Larry > Kreeger (kreeger) > Sent: Friday, May 31, 2013 7:52 PM > To: Linda Dunbar; Thomas Narten; [email protected]; Black, David; > Murari Sridharan; [email protected] > Subject: Re: [nvo3] Is there any difference between "Network Virtualization > Overlay" and "Network Overlay"? > > Hi Linda, > > See my responses below, marked with LK>. > > Thanks, Larry > > > From: Linda Dunbar <[email protected]> > Date: Friday, May 31, 2013 2:49 PM > To: Larry Kreeger <[email protected]>, Thomas Narten <[email protected]>, > Dinesh Dutt <[email protected]>, David Black <[email protected]>, > Murari Sridharan <[email protected]>, "[email protected]" <[email protected]> > Subject: Is there any difference between "Network Virtualization Overlay" and > "Network Overlay"? > > Larry, et al: > > In NV03 problem statement draft, “Network Overlay” is used. It is used in a > context to indicate that virtualized network is achieved by IP overlay > (instead of MPLS overlay, Ethernet Overlay, or TRILL overlay, etc). > > LK> The problem statement also uses the terms "Network Virtualization" and > "Network Overlay" and discusses "Using Network Overlay to provide Virtual > Networks". The document title is "Problem Statement: Overlays for Network > Virtualization". > > In draft-kreeger-nvo3-overlay-cp-03, “Network Virtualization Overlay” is used. > > Is there any difference between "Network Virtualization Overlay" and "Network > Overlay"? > > LK> Network Virtualization can be achieved without using an overlay. > Network Overlays can be used for purposes other than virtualization of the > network. So, a Network Virtualization Overlay describes the more specific > use case of using a Network Overlay for creating a Virtual Network. > > If yes, I suggest to define them properly. If no, let’s keep the terminology > consistent in NVO3 WG. > > LK> I don't see a formal definition in the framework document for "Network > Overlay" or "Network Virtualization" either (only "Virtual Network"). > > NVO3 WG’s charter doesn’t include tackling control plane issues for all > overlay models. > Therefore, it is really out of the scope to have a draft on control plane for > all overlay models. > > LK> Well, if you want to discuss terminology, the NVO3 WG charter discusses > Data Center VPNs, a term which have not really been using much. The charter > doesn't even have the word "Overlay" in it! I'm not sure where you are > getting the impression that the control plane requirements is trying to > address all overlay models based on the term "Network Virtualization > Overlay". Do you have some terminology definitions you would like to see > added to the Framework? Once they are there, I will be happy to see them > used consistently in all our documents. > > Linda > > _______________________________________________ > nvo3 mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/nvo3
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