Selected Papers - ISBN 978-90-77559-20-8

TNC 2010 - Living the network life


Living the network life

The 26th TERENA Networking Conference was held at the Reval Hotel Lietuva in Vilnius, Lithuania from 31 May to 3 June 2010, hosted by the Lithuanian National Research and Education Network (LITNET). The conference provided an opportunity for researchers, operators and suppliers of Research and Education Networks in Europe and beyond to meet to present and discuss their latest discoveries and requirements in an ideal environment for promoting collaboration.

This year's conference theme was "Living the network life". Living the network life often brings satisfaction, through technology innovation, leading to improvement of usages and thus new opportunities for the benefit of education, research and social life. Networking also keeps creating new challenges, new requirements, new preoccupations and all sorts of issues calling for specific efforts to be solved. Participants had very good opportunities to learn and exchange on all these aspects.

Conference summary

Six plenary speakers addressed five different topics related to the conference theme: "Living the network life". In Monday Plenary, Hannes Lubich pointed to crucial considerations about social networks and the possible clash of cultures between corporate rules and the culture of open collaboration of young generations. His talk addressed the issue of companies faced with the challenge to maintain an appropriate risk and security posture, while understanding the change in their employee’s or customer’s behaviour and being attractive to generation Y.

Two aspects related to the digital world we live in: the laws of identity and their implication when navigating the Internet Space, and the way the tremendous amount and variety of contents has been continuously changing scholarship practices, were addressed by Kim Cameron and Clifford Lynch on Tuesday Plenary.

On Wednesday, the plenary showed how advanced networking associated with innovations in Grids, Clouds, and Storage may contribute to the excellence of applications and services in the academic world. This was presented by Mark Ellisman and Chad J. Kainz.

Ingrid Melve had the opportunity, in the closing plenary, to explain a few major challenges in supporting advanced research as well as digitally native students with totally different needs and cultures, in universities which core missions are education and research.

Thirty two sessions organized in four parallel tracks with more than ninety speakers brought additional high level talks broken down in Grids and Cloud computing, supporting infrastructure, advanced applications, identity and access management and research networking beyond Europe.

Grids and Cloud computing sessions tried to brought relevant answers and solutions to issues like: how to integrate into Grid middleware the appropriate software to control the network behavior, how to solve the challenges faced by the organization of Grid Infrastructures in Europe. Three use cases of Grids for solving economical problems, simulated durability of material and simulating plane crashes provided interesting ideas about the potentialities of Grid Computing. Two presentations aimed to take away a lot of the fear, uncertainty and doubt surrounding the cloud computing paradigm and its application in research and education.

The Identity and Access Management area dealt with issues like: improving the attribute management and the identity selection processes in a world of interconnected Identity Federations to gain more confidence in this technology and for the purpose of increasing scalability. Avoiding complexity in the login process, analysing and providing hints for improving attribute management to establish stronger trust may increase the scalability of authorisation based on Federations.

A few real-life use cases of Federations in a cross-federated environment help convinced participants of the crucial importance of Federations, these were: Confusa for issuing personal certificates, eduGain business case, and the move of the International Grid Trust Federation towards existing national research and education federations.

The "Supporting infrastructure" category included several topics:

  • Overview and actual experiments and usages of advanced transport technologies. Key features driving the development of on-demand network services in educational networks were highlighted and different approaches displayed.
  • Assessments of opportunities and challenges of moving from 10Gig to 100Gig completed with an interaction between GÉANT and NREN for providing the best of these technology was an interesting track.
  • Increasing the availability of end-to-end services through common network management framework and global monitoring with two concrete Cross-domain network monitoring experience with PerfSonar on ESnet and LHCOPN;
  • Virtualization and new concepts for a future Internet, the IaaS paradigm to enhance services portfolio for virtual research communities, with Manticore and FEDERICA as two concrete examples of virtualizing services on production networks, and also G-Lab and GN3-JRA1 contributions.
  • Ideas for extending the eduroam roaming infrastructure, beyond the academic institutions;
  • A green tech session pointed to solutions for reducing the ever rising resource consumption of our e-infrastructure.
  • Presentations about Internet2 in the United States and RNP, the Brazilian national research network, displayed concrete experiences taking place beyond Europe, with the objective of foster international collaboration.

    Sessions related to "advanced applications" or "demanding applications" showed concrete use cases along with interesting achievements but also underlined yet some unsatisfied requirements. Three talks showed how arts and humanities might be among the greatest beneficiaries of advanced networking technologies. High-end visual applications, telepresence and ultrahigh-definition streaming media distribution were proved to be good candidates for more bandwidth and end-to-end guarantee of service.

    Three specific initiatives, one in SARA (visualization processing), C-BRAIN (visualization of brain imaging data ) and ASKAP (remote telescope data gathering) were among those projects which definitely proved that networking beyond 10Gbps is reality, and the move to 100Gbps a requirement.

    Selected Papers Summary

    Fourteen papers presented in parallel sessions have been selected for this publication. Like the conference, they cover a wide range of topics: Grid computing, Identity and Access Management (Identity Federation essentially), Supporting Infrastructure including networking beyond Europe and Advanced Applications. Identity Federations have already been around for a while, interesting use cases demonstrate their strategic contribution, however, many improvements are still expected in order to address issues, among which: better trust, scalability in a inter federated world, simplicity of use.

    Henrik Austad and Thomas Zangerl in "Confusa: a cross federated personal certificate portal" Show the importance of the Federation services for issuing personal X509 certificates which can grant access to e-science computing equipments (supercomputers, grid computing, etc.).

    Jaime Perez Crespo in "Invitation based authorization in federated systems" describes how services providers can easily determine and control who are the users allowed to access their resources in a federated world, when they already interconnect with identity providers.

    David Simonsen et al: "Titel, introducing transparency in hub-and-spoke federation architecture using SAML2 scoping" shows how SAML2 scoping elements can be used to enhance the usability of Identity Federations and make interconnection of Federations more transparent.

    Six papers may be put together in the "supporting infrastructure" category, and this includes advanced optical and transport technologies, monitoring, roaming, IPv6 migration, network management, etc.

    The paper by Simon Perreault et al "ECdYSIS, Opensource DNS64 and NAT64" give hints about how to remove one major barrier in the way of IPv6 adoption, by providing open-source implementation of DNS64 and NAT64.

    First steps in trying to replace the Radius/Radsec hierarchy by a complete DNS service recovery for the roaming architecture, as well as first experiences are explained in Heikki Vatiainen et al paper "implementing the multi-federation and peer-to-peer roaming on the eduroam federation level".

    Richard Ednay paper "Field trial of PMD test methods" investigate whether changes in the state of polarisation (SOP) of light in installed cabling affected Polarisation Mode Dispersion (PMD) test methods. An article proposed by Lars Fischer et al "Building federated research networks in Europe" is about a GN3 project describing how to share different resources among multiple national or regional networks to increase the power of the European network infrastructure.

    Monitoring multidomain networks end to end is not an easy task, Fausto Vetter et al in "perfSONAR Multidomain monitoring service deployment and support: the LHC-OPN Use-case" presents in details what perfSONAR is, how this tool may be crucial for such an enterprise, presents the LHC-OPN return of experience and finally point to further improvement needed to be able to smoothly use perSONAR on a large scale.

    Providing seamless end-to-end service delivery in a multi-domain environment with a multitude of different technologies in use, operational procedures, network management subsystems and procedures is a significant challenge. Pavle Vuletic and Afrodite Sevasti in "network management architecture proposal for GÉANT3" propose a network management model for GÉANT end-to-end services, while conforming to existing management standards.

    Advanced applications or very demanding applications undoubtedly require network high bandwidth but they also need computing equipments able to process high speed flows. Ronald van der Pol and Freek Dijkstra in "application networking beyond 10Gbs" demonstrate that off the shelf servers, are capable of sending up to 40Gbps of network traffic in multiple parallel flows, which bring very exciting new opportunities to support "bandwidth hungry" applications. Yoshiki IGUCHI et al "USADAFOX" describes how modifications on Firefox and pertinent tuning on Apache HTTP servers can accelerate long distance data transfer bringing it up to 6.5Gbps.

    Two papers on Grid computing, one by Etienne Dublé et al: "Migration towards IPv6 of the EGEE glite middleware" presents tools developed by GN3 SA2, especially IPv6 CARE, which facilitates the migration to IPv6 of TCP-based software. This should allow better interconnection between EGEE and other Grids, the other one by Algimantas Juozapavicius et al: "GRID infrastructures for Lithuanian research and public sectors" provides interesting details about the grid infrastructures that have been put in operation for the support of research in Lithuania.

    Finally the last selected paper in the category "networking beyond Europe" is a long but really interesting paper by Michael Stanton et al: "RNP: a brief look at Brazilian NREN", which clearly depicts the networking environment in Brazil, the history of building the RNP, the major lessons learned and the current initiatives to introduced the more advanced technologies. This article is of great interest for NRENs in general and may well encourage further international collaboration.

    Archives of live–streamed speeches, speakers’ slides and other TNC 2010 information are all available via the conference website: We look forward to welcoming you, either in the real or virtual worlds, to TNC2011, which will be held in Prague, Czech Republic, from 16 to 19 May 2011, and at

    Jean-Paul Le Guigner
    Programme Committee Chair - TNC2010


    (alphabetically by presenting author)

    • Confusa: A Cross Federated Personal Certificate Portal
      Henrik Austad (UNINETT), Thomas Zangerl (NDGF) pdf
    • Invitation based authorization in federated systems
      Jaime Pérez Crespo (RedIRIS) pdf
    • Ecdysis: Open-Source DNS64 and NAT64
      Jean Philippe Dionne, Simon Perreault, Marc Blanchet (Viagénie) pdf
    • Field trial of PMD test methods and investigation into the dynamics of polarisation effects in a variety of installed cable environments
      Richard Ednay (Optical Technology Training Ltd.) pdf
    • Building federated research networks in Europe
      Lars Fischer (NORDUNet), Bartosz Belter, Milosz Przywecki (PSNC), Maribel Cosin (RedIRIS), Paul van Daalen, Marijke Kaat (SURFnet), Ivana Golub, Branko Radojevic, Srdjan Vukovojac (CARnet), Andreas Hanemann (DFN-Verein) pdf
    • Implementing the multi-federation and peer-to-peer roaming on the eduroam federation level
      Karri Huhtanen, Jarmo Harju (Tampere University of Technology), Heikki Vatiainen, Sami Keski-Kasari (Arch Red Oy) pdf
    • USADAFOX: Ultra-high-Speed file-Acquisition-system over Distance with Apache and fireFOX
      Yoshiki Iguchi, Naoki Tanida, Kenichi Koizumi, Mary Inaba, Kei Hiraki (University of Tokyo) pdf
    • Migration towards IPv6 of the EGEE gLite middleware
      Xavier Jeannin, Etienne Dublé (UREC), Mario Reale (GARR consortium) pdf
    • Grid infrastructure for Lithuanian research and public sectors
      Algimantas Juozapavičius, Eduardas Kutka, Rolandas Naujikas (Vilnius University), Dalius Mažeika (Vilnius Gediminas Technical University) pdf
    • Introducing transparency in hub-and-spoke federation architectures using SAML2 scoping
      David Simonsen, Jacob-Steen Madsen, Mads Freek Petersen, Jacob Christiansen (The Danish federation WAYF) pdf
    • RNP: A brief look at the Brazilian NREN
      Michael Stanton (RNP and UFF), Iara Machado, Marcio Faerman, Daniela F. Brauner, André Marins, Thiago Thomes Coelho (RNP), Ana Lúcia de Moura and Noemi Rodríguez (PUC Rio) pdf
    • perfSONAR Multi-Domain Monitoring Service Deployment and Support: The LHC-OPN Use Case
      Domenico Vicinanza, Fausto Vetter (DANTE) pdf
    • A Network Management Architecture proposal for the GÉANT NREN environment
      Pavle Vuletić (AMRES), Afrodite Sevasti (GRNET) pdf
    • Application Networking Beyond 10 Gbit/s
      Ronald van der Pol, Freek Dijkstra (SARA Computing and Networking Services) pdf
    TNC 2010 Programme Committee
    Jean-Paul Le Guigner CRU France
    Bartosz Belter PSNC Poland
    Jacqueline Brown Pacific Wave USA
    Serge Droz SWITCH Switzerland
    Baiba Kaškina IMCS UL, SigmaNet Latvia
    András Kovács NIIF / HUNGARNET Hungary
    Otto Kreiter DANTE
    Jan Meijer UNINETT Norway
    Jürgen Rauschenbach DFN Germany
    Brook Schofield TERENA
    Raimundas Tuminauskas KTU ITPI / LITNET NOC Lithuania
    Stefan Winter RESTENA Luxemburg
    TERENA support  
    Miroslav Milinović TERENA VP Conferences, Srce Croatia
    Karel Vietsch TERENA
    Bert van Pinxteren TERENA
    Gyöngyi Horváth TERENA