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EVN-NREN Project Update: Achievements, Connectivity, and Future Plans

This report summarizes the objectives, achievements, and future plans of the EVN-NREN project as discussed at the board meeting in Utrecht on January 30th, 2008. Topics covered include global connectivity status, updates on connectivity in Europe, China, Australia, Chile, the USA, and Japan, as well as future plans for connectivity improvements and project developments.

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EVN-NREN Project Update: Achievements, Connectivity, and Future Plans

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  1. NA2 EVN-NREN John Chevers, Project Manager, DANTE EXPReS Board Meeting, Utrecht January 30th 2008

  2. EVN-NREN • Objectives • State of connectivity • Update May 2007 – January 2008 • Future Plans

  3. Objectives • To provide and promote project-wide meetings… • To provide a forum for discussion and resolution of networking and technical issues… • To discuss, critically review and develop results and ideas from SA1, SA2, JRA1 • Provide input to EXPReS outreach team

  4. Status of Global Connectivity Europe • Dedicated 1Gbps circuits in place from: • Westerbork • Jodrell Bank • Cambridge • Medicina • Torun • Expected soon: • Yebes (Madrid) • Effelsberg?? • Ventspils?? • Onsala?? China • Shanghai achieved 512Mbps in UDP tests to JIVE: fringes at 256 Mbps Australia • Achieved 512Mbps to JIVE as part of the APAN demo Chile • Tigo hoping for 128Mbps to Europe by May 2008

  5. Connectivity (continued) USA • Aricibo (64Mbps achieved) –future plans? Japan • Mizusawa VERA has achieved 300Mbps to EU –more? FABRIC • 4Gbps from London to Stockholm • Hoping for Jodrell-Onsala soon

  6. Update: APAN Demo • APAN Meeting in Xi’an, China • Demo connecting Shanghai to JIVE • Utilising the new ORIENT circuit • Highly successful -256Mbps fringes achieved • Press release well received

  7. Update: EVN-NREN • EVN-NREN Meeting in Bonn • Good attendance with new faces (24 total) • 8 network organisations represented • DANTE, DFN, SURFnet, RedIRIS, AARNET, Internet2, JANET, NORDUnet • Update on GÉANT2 and global connectivity • Now connecting ZA (1Gbps) and CN (2.5Gbps) • New tools –monitoring • Multi-domain NOC (E2ECU) • EXPReS Update • UDP • 10Gbps connectivity requirements

  8. Update: EVN-NREN II • Round table discussion • Haystack needs 2-4Gbps to EU • Yebes is still implementing last mile (early 2008) • Au telescopes will continue to connect via US • Effelsberg –digging last mile • Japan achieved 300Mbps to EU • Presentations on: • TCP and UDP for eVLBI (PB) • JB-eMerlin work (RS) • UDP throughput tests (RH-J) • Internet2 monitoring tools (RC)

  9. Update: Other items • Press release from JIVE-DANTE • Highlighting Gbps circuits • 4Gbps path tests for FABRIC Future Plans • Completion of FABRIC circuit Jodrell-Onsala • Connection of Yebes • Further work with SAO

  10. Highlights • High profile demo –China-Europe • EVN-NREN meeting –many new faces AU, US, Japan • Planning to connect ‘new’ telescopes to production • Facilitating FABRIC 4Gbps testing • Two successful press releases

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