- Nsi-wg - lists.ogf.org

Topology section
by Jeroen van der Ham 05 Jun '12

05 Jun '12

Hi all, Today I've done some more work on the Topology section, see: https://docs.google.com/document/d/1HIo7uQl7DbTe_y-cnPOrqDkspoRBaTKVVrrldUR… Basically, I've broken down the Topology section into sub-problems: 1) Representation, where we use mostly the DTOX representation, supplemented with NML and 2) Distribution. The Distribution is then further sub-divided into: - Bootstrapping, how do NSAs initially find each other - Further exchange, how do NSAs learn about the world - Updating, how do we distribute updates to the network - Policy, what do we do with it I think these are all pretty manageable problems, with the exception of the policy on topology exchange. I propose we punt it to a next version once we have some experience on how this works. AFAIK we all agree that basic information in the DTOX representation is required for NSI to function at all, and we have no experience with additional information yet. Jeroen.

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1 month to submission CFP: Computer Networks Special Issue on Future Internet Testbeds
by Jeroen van der Ham 05 Jun '12

05 Jun '12

Hi all, This is somewhat short notice, but I think an excellent opportunity to write about our current experiences with the Automated GOLE testbed so far. I'm willing to take the lead on this article, and am looking for other contributors. Jeroen. Begin forwarded message: > Special Issue on Future Internet Testbeds > http://www.journals.elsevier.com/computer-networks/call-for-papers/special-… > > Important dates > Paper submission: 01-07-2012 (extended) > Acceptance notification: 15-09-2012 > Final papers: 15-11-2012 > > It is increasingly recognised that the current Internet architecture is being challenged by unprecedented scale, new applications, untethered mobile wireless access, and domain-specific network scenarios and technologies including MANETs (mobile ad hoc networks) and wireless sensor networks. At the same time we increasingly rely on the Internet for all aspects of our lives. > > The ability to evolve the Internet architecture to meet these challenges depends in part on the ability to test proposed protocols, services and configurations in a realistic setting at an appropriate scale. This requires testbeds that have significant scale, geographic scope, and that have a programmable Internet waist to permit experimentation with new addressing, forwarding, routing, and signalling paradigms. The GENI (Global Environments for Network Innovation) program in the US, and FIRE (Future Internet Research and Experimentation) programme in Europe have recognised and are funding this need. > > With this special issue of Computer Networks, we solicit papers that that describe the results of experimentation on the architecture, implementation, and deployment of Future Internet (FI) testbeds. While we are especially interested in experimental results, we also seek insightful papers that describe testbed architectures and their deployment issues, challenges, and experience. > > Topics of interest include, but are not limited to: > > • programmable FI testbed architectures > • scalability in node count, interconnection complexity, and geographic scope > • interoperation and extension across research networks (such as Internet2, NLR, GÉANT2, JANET, JGN-X, and KOREN/KREONET) > • heterogeneity and FI testbeds for domain-specific networks > • alternative communication paradigms (e.g. packets vs. circuits) > • deployment challenges and experiences > • federation of heterogeneous testbeds with one another and with > • instrumentation and measurement of FI testbeds > • management of FI testbeds that are distributed across administrative domains > • security, use policy, and broad research community access to FI testbeds > • experiment design, methodology, and verification > • experimental results that could not have been achieved on traditional end-system or localized testbeds (e.g. PlanetLab or Emulab) > > Submission format > The submitted papers must be clearly written in excellent English and describe original research which is not published nor currently under review by other journals or conferences. Author guidelines for preparation of manuscript can be found at www.elsevier.com/locate/comnet/ > > Submission Guideline > All manuscripts and any supplementary material should be submitted through the Elsevier Editorial System (EES). The authors must select as “Future Internet Testbeds” when they reach the “Article Type” step in the submission process. The EES website is located at: http://ees.elsevier.com/comnet/ > > Guide for Authors > This site will guide you stepwise through the creation and uploading of you article. The guide for Authors can be found on the journal homepage (www.elsevier.com/comnet/) > > > Guest Editors > > James P.G. Sterbenz > The University of Kansas, Lawrence, Kansas, USA. jpgs(a)ittc.ku.edu > Lancaster University, Lancaster, United Kingdom. jpgs(a)comp.lancs.ac.uk > > David Hutchison > Lancaster University, Lancaster, United Kingdom. d.hutchison(a)lancaster.ac.uk > > Paul Müller > Kaiserslautern University, Kaiserslautern, Germany. pmueller(a)informatik.uni-kl.de > > Chip Elliott > GENI Project Office, Raytheon BBN Technologies, Cambridge, Massachusetts, USA. celliott(a)bbn.com > > _______________________________________________ > geni-announce mailing list > geni-announce(a)geni.net > List info: http://lists.geni.net/mailman/listinfo/geni-announce > Unsubscribe: http://lists.geni.net/mailman/options/geni-announce/vdham%40uva.nl?login-un…

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Topology section
by Jeroen van der Ham 31 May '12

31 May '12

Hi all, I've made a start on the topology section for the NSI v2.0 document. It's not finished yet, but at least it contains some start. Unfortunately, I'll be on holiday next week, so I won't be able to further write on this. If others feel they can contribute, please do so. The document is available for reading at: https://docs.google.com/document/d/1HIo7uQl7DbTe_y-cnPOrqDkspoRBaTKVVrrldUR… Guy should be able to give out edit access rights too. Jeroen.

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STP lists and path ordering
by John MacAuley 30 May '12

30 May '12

This one has to do with whether the existing STP list with ordering information is sufficient to understand the path a service should take, or has been computed to take. I have included the basic schema for reference. As an example let us use a connection request through three domains (A, B, and C) with source STP A1 and destination STP C2. Let us assume that the chosen path is A1->A2->B1->B2->C1->C2. With the existing schema definitions we would get something like this: { sourceSTP=A1 destSTP=C2 stpList={ (1,A2), (2,B1), (3,B2), (4,C1) } } If I remember correctly, the issue we have was that this model is: 1. There is an assumption that sourceSTP A1 is the edge of the connection, and routing will proceed inside domain A, not immediately to the domain adjacent to STP A1. 2. Assumes because A1 and A2 are in the same domain the connection is routed internally to that domain. 3. Assumes that when two STP are adjacent in the ordered list, but in different domains, that there must be an SDP between the two. For example, A2 and B1 must be topologically adjacent and share an SDP. So I guess the question is should we be using SDP here instead of STP? John. <xsd:complexType name="PathType"> <xsd:sequence> <xsd:element name="directionality" type="tns:DirectionalityType" default="Bidirectional"/> <xsd:element name="sourceSTP" type="tns:ServiceTerminationPointType" /> <xsd:element name="destSTP" type="tns:ServiceTerminationPointType" /> <xsd:element name="stpList" type="tns:StpListType" minOccurs="0" /> </xsd:sequence> </xsd:complexType> <xsd:complexType name="StpListType"> <xsd:sequence> <xsd:element name="stp" type="tns:OrderedServiceTerminationPointType" minOccurs="0" maxOccurs="unbounded" /> </xsd:sequence> </xsd:complexType> <xsd:complexType name="OrderedServiceTerminationPointType"> <xsd:sequence> <xsd:element name="stpId" type="tns:StpIdType" /> </xsd:sequence> <xsd:attribute name="order" type="xsd:int" /> </xsd:complexType>

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Discussion on recursive queries
by Inder Monga 30 May '12

30 May '12

Please look at this presentation: https://docs.google.com/presentation/d/1_FqvdNfqwa5Kn-4uV47OKEBmJWZ6GNktiFl… PDF attached for offline view. Inder -- Inder Monga 510-486-6531 http://www.es.net Follow us on Twitter: ESnetUpdates/Twitter <http://bit.ly/bisCAd> Visit our blog: ESnetUpdates Blog <http://bit.ly/9lSTO3><http://bit.ly/d2Olql>

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Query types
by MacAuley, John (John) 30 May '12

30 May '12

Peoples, Can I propose we support three Query operation types? Currently we have two (Summary and Details) or which no one has implemented the recursive Details. I think we should revise the definition to the following: Summary - Will query reservation summary information held in the target NSA only. Details - Will query reservation detailed information held in the target NSA only. This will include child NSA connection segment information (new connectionId, path segment, etc.) and the target NSA's version of the connection segment state. Recursive - Will perform a recursive query to build detailed reservation information for all child NSA involved in the connection path. Sound good? John.

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tomorrow's NSI conf call
by Guy Roberts 29 May '12

29 May '12

The following is dial-in information for Wednesday's NSI call, time: 7:00 PDT 10:00 EDT, 15:00 BST, 16:00 CEST, 23:00 JST 1. Dial Toll-Free Number: 866-740-1260 (U.S. & Canada) 2. International participants dial: Toll Number: 303-248-0285 Or International Toll-Free Number: http://www.readytalk.com/intl 3. Enter 7-digit access code 8937606, followed by "#" Agenda: * tba Guy _____________________________________________________________________ ** Guy Roberts, PhD Senior Transport Network Architect * * Tel: +44 (0)1223 371300 * * City House Direct: +44 (0)1223 371316 * 126-130 Hills Road Fax: +44 (0)1223 371371 * Cambridge * CB2 1PQ E-mail: guy.roberts(a)dante.net<mailto:guy.roberts@dante.org.uk> D A N T E United Kingdom WWW: http://www.dante.net _____________________________________________________________________

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NSI call Wednesday
by Guy Roberts 15 May '12

15 May '12

Hello Tomohiro, Inder, I will be in meetings on Wednesday, so won't make our weekly call. Would you be able to host this call? Guy _____________________________________________________________________ ** Guy Roberts, PhD Senior Transport Network Architect * * Tel: +44 (0)1223 371300 * * City House Direct: +44 (0)1223 371316 * 126-130 Hills Road Fax: +44 (0)1223 371371 * Cambridge * CB2 1PQ E-mail: guy.roberts(a)dante.net<mailto:guy.roberts@dante.org.uk> D A N T E United Kingdom WWW: http://www.dante.net _____________________________________________________________________

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NSI sessions at OGF35
by Guy Roberts 10 May '12

10 May '12

The schedule for OGF is now available. We have 3 sessions on Tuesday 19 June. https://www.ogf.org/gf/event_schedule/index.php?event_id=24 Guy _____________________________________________________________________ ** Guy Roberts, PhD Network Engineering & Planning * * Tel: +44 (0)1223 371300 * * City House Direct: +44 (0)1223 371316 * 126-130 Hills Road Fax: +44 (0)1223 371371 * Cambridge * CB2 1PQ E-mail: guy.roberts(a)dante.net<mailto:guy.roberts@dante.org.uk> D A N T E United Kingdom WWW: http://www.dante.net _____________________________________________________________________

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Minutes from today's NSI conf call
by Guy Roberts 09 May '12

09 May '12

.... Are available here: https://forge.ogf.org/sf/go/doc16439?nav=1 _____________________________________________________________________ ** Guy Roberts, PhD Senior Transport Network Architect * * Tel: +44 (0)1223 371300 * * City House Direct: +44 (0)1223 371316 * 126-130 Hills Road Fax: +44 (0)1223 371371 * Cambridge * CB2 1PQ E-mail: guy.roberts(a)dante.net<mailto:guy.roberts@dante.org.uk> D A N T E United Kingdom WWW: http://www.dante.net _____________________________________________________________________

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