RNP/PAL/xxxx © 2004 – RNP An experiment in videoconferencing over IPv6 using Isabel Michael Stanton Director of Innovation, RNP, Brazil FLIP-6, Montevideo, March (Thanks to Graciela M.L. Martins and Marcelo R. Faria for use of their slides)

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil RNP IPv6 Backbone and Peerings What was the event? What was this videoconference experiment? What is the Isabel application? Conclusion Agenda

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Rede Nacional de Ensino e Pesquisa - RNP RNP is a quasi non-governmental organisation (quango), formally a non-profit company, maintained by the federal government through a mangaement contract Offers production IP service to research and education community in Brazil, through a national backbone (one PoP in each state) –Around 240 client institutions, normally connected to state networks (in the more populous states), or directly to the local PoP Good national and international connections to R&E and commodity networks Responsible also for exploring new networking technologies and developing new networking techniques –IP/WDM, multicast, QoS, IPv6

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil RNP IPv6 Backbone

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil RNP IPv6 Backbone Routers with dual-stack: same equipment used in the IPv4 production service Native IPv6 links (ATM) and tunnels (IPv6/IPv4) RIPng is the internal routing protocol BGP4+ for external routing Cisco 750x with IOS images 12.2(14)S

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Peerings Currently RNP has IPv6 peering with seven other networks: Abilene / Internet 2 - USA (native) AMPath – USA (native) Renater – FR (tunnel) RCCN – PT (tunnel) ESNET – USA (tunnel) NTTcom / Verio – USA (tunnel) Telefônica Empresas Brasil – BR (native)

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Also, the future CLARA network (June 2004) will also support native IPv6 Built and operated (2 years) throughh the ALICE project –Jointly financed by EU (80%) and LA NRENs (20%) Bandwidth: –Main ring: 155 Mbps –Link to GÉANT: 622 Mbps –Spur links: 10 to 45 Mbps (except Cuba – by satellite) –Access: up to 155 Mbps Peering, etc: –GÉANT –Future: ABILENE, APAN nets –Transit to LA NRENs IPv6 connectivity: –Native from day one Clara

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Event: Global IPv6 Service Launch Event – Brussels, January 2004 The experiment was organised by the Euro6ix project of the IST programme (EU), coordinated by Telefónica Investigación y Desarrollo (Telefónica I+D) from Spain –Coordinator: Carlos Ralli Ucendo Participation by Telefônica Pesquisa e Desenvolvimento (TPD), part of Telefônica Empresas Brasil (TEB), and the Brazilian R&D community, coordinated by RNP Objective: to demonstrate the use of IPv6 applications –Magalia (network management) –Isabel (remote collaboration) The Brazilian R&D community participated in demonstrating the Isabel application –Support from the Isabel team at Universidad Politécnica de Madrid (UPM), coordinated by Maria José Perea

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Event – Network Topology

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Event – Network Topology EUROPE

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Event – Participants (RNP side) Three RNP Offices: Campinas, Brasília and Rio de Janeiro Three Brazilian Universities: Federal University of Santa Catarina (UFSC) Federal University of Rio de Janeiro (UFRJ) University of São Paulo (USP) One regional networks: Rede-Rio (Rio de Janeiro)

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Isabel is a real time service creation environment launched in 1993 by UPM. Today, it is commercialised by Agora Systems S.A. A free version is available, with limited functionality. The commercial version includes more features and supports collaboration services such as tele-teaching and tele- conferencing. The aim is the interconnection of a large number of users in multipoint conferences. What is the Isabel application?

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Isabel adapts collaboration sessions to users needs, by including predefined scenarios: Tele-meeting: links meeting rooms and allows a free mode of interacting, allowing each participant to react at any moment. Tele-training: links classrooms and allows a strict floor control by the instructor of the interactions taking place. In this case, the instructir can bring any site into scene at any moment and students must request intervention. Tele-conference: this is a distributed conferencing service and is based on centralised control which guarantees timely delivery of content. Other new services can be configured by modifications to existing services. What is the Isabel application?

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil What is the Isabel application? Source:

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil System requirements: Based on SuSE Linux 8.1 operating system. Both the operating system and the application can be installed and configured using an instalation CD. Requires at least a Pentium IV with 256 MB RAM. What is the Isabel application?

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Different versions of Isabel cannot interoperate with each other The hardware requirements are very important to assure good quality during the conferences. The use of an operating system different from SuSE can make it difficult to configure Isabel. The use of a chat software (IRC) was very important to prepare the endpoints and resolve the problems with audio and video. Isabel doesnt support the same quality that a endpoint specific equipment, such as a Polycom ViewStation or Tandberg Station, but represents a very good solution for distance education or collaboration when there is a need for a large number of endpoints. Impressions about the use of Isabel

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil The quality of the link used is very important. A big problem found during the experiments was the packet loss at the connection between the RNP and Telefônica networks in São Paulo probably due to inadequate RNP router capacity at the peering point – will be fixed for next time Performance problems during the experiment

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil Conclusion This was the first demonstration in Brazil of a non-trivial application over IPv6 Except for the performance problems, which are unrelated to the technology used, the experiment was considered to have been a success –Participants were very enthusiastic and contributed a lot of time and energy to the project Most important lesson: IPv6 will only really prosper when the users can see advantages in its use – this requires the availability of significant applications. Many thanks to all partners and participants!

Rede Nacional de Ensino e Pesquisa Promovendo o uso inovador de redes avançadas no Brasil References IPv6 at RNP LACNIC Euro6ix Global IPv6 Service launch event, Brussels, January Isabel group at UPM isabel.dit.upm.es Isabel distribution of the Madrid Global IPv6 Summit 2002 over an IPv6 transition network isabel.dit.upm.es/papers/isabelipv6/Isabelv6SAINT2002v3.pdf