[Nsi-wg] interim call tomorrow

Radek Krzywania radek.krzywania at man.poznan.pl
Wed Nov 4 03:52:51 CST 2009


Hi all,
It will be very difficult to join the call today. I will try to join later
if I manage.

Best regards
Radek

> -----Original Message-----
> From: nsi-wg-bounces at ogf.org [mailto:nsi-wg-bounces at ogf.org] On Behalf
> Of John Vollbrecht
> Sent: Tuesday, November 03, 2009 8:44 PM
> To: NSI WG
> Subject: [Nsi-wg] interim call tomorrow
> 
> We will have an interim call tomorrow.    My proposed agenda is to
> talk about work under way,   I suggest
> 
> 1. Joan's slides modified from OGF
> 2. Review block diagram - from Tomohiro slides at OGF
> 3. Go over status -- my view of where we are is below.
> 
> I am hoping we can make some progress before SC, and then have
> sections 2,3, and 4.b, 4.h, 4.j. and part of section 5 available as
> candidate sections for the recomendation -- by the end of the year.
> We can talk about whether this seems possible.
> 
> 
> My view if status -  please comment --
> 
> I am thinking that we need to make some progress on actual document in
> the next few weeks.  Progress for me will be to have some sections in
> place that are ready for detailed editing.
> 
> Section 1 - Summary and Abstract  [to be done]
> 
> Section 2 - Context and Motivation
> 
> I think we are close on the first part section 2 the context and
> motivation.    I keep thinking of some changes to it as I go along,
> but I think it is ok as a starting point for editing.
> We are planning a second part of section 2 that describes service and
> transport planes and their relation to other planes.  I believe that
> Inder will propose something for that.
> 
> Section 3 - Concepts and Terminology
> 
> We have documentation that covers most of this.  However, in my view,
> after rereading in a couple times, it needs to be revised to
> correspond with the NSA model that we came up with in Banff,
> particularly the concepts of Agent Selection and Aggregation, and the
> naming of NSI server and client model.  I think we should talk this
> through on the call to be sure we all agree and I can rework the
> section.
> 
> I believe that the transport terms described in the second part of
> this section are ok for a version to be edited.  I will modify the
> order of some of this section when I do the first part.
> 
> Section 4 -- Architecture (details)
> 4.a Services offerred over NSI [hold till after 4.b]
> 
> 4.b Block diagram of requestor and service agents
> 	This will build on diagrams from Tomohiro at OGF.  Chin has
> offerred
> to provide a first cut at all modules.  Many are are interested in
> helping to define this, including Chin, Radek, Tomohiro, Joan and
> others].  I believe the hope is that discussion on this can occur on
> the skype chat as well as on calls and email.
> 	I think that this is key to defining much of the rest of the
> document.  The blocks help define what is done by an  agent, and allow
> the agent to use interfaces other than NSI by some blocks.  It also
> helps explain the recursive nature of calls to other NSAs.  It also
> helps to clarify what a request needs to contain.
> This is a NSA architecture section that provides context for the NSI
> interface
> 
> 4.c Domain interaction --
> As I think about this, which I believe Tomohiro proposed, I think it
> is meant to define what a domain is, especially relative to a NSA.  I
> am thinking this might better be called "recursive NSAs" or hierarchy
> imposed by aggregation module, or something else.  Any thoughts about
> that?
> 
> 4.e Responsibiliy division between Management, Control, Transport, and
> Service Plane.
> I am not sure how this will be different that section 2.2, except more
> detailed
> 
> 4.f Security and Accounting (I have volunteered for a first cut at
> this, but not till earlier sections are farther along)
> 
> 4.g. Deployment [of multiple NSAs] architecture [hold till earlier
> sections done]
> 
> 4.h Messaging interaction [ Tomohiro has volunteered to take the lead
> on this]
> 	two phase commit (required or not), synchronous / asynchronous
> message triggers
> 
>         path description in reservations - I will take initial lead on
> this
> 
> 4.i Request and Response messaging characteristics
> 	Resources (objects) and parameters, and their topology [Guy]
> 
>   Section 5  Imlementation and Deployment frameworks
> 	Overview [Joan, Tomohiro, John, Inder]
> 	Using NSI in othe models - GMPLS, GRID, GENI [John, Joan]
> 	Application examples of NSI - [KDDI, LHC, CoUniverse, other?]
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