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Chrysostomos Tziouvaras Broadband Infrastructures Development Manager Greek Research and Technology Network CEF Workshop

GRNET3 update. Chrysostomos Tziouvaras Broadband Infrastructures Development Manager Greek Research and Technology Network CEF Workshop Prague, 29 May 2006. Migrating from GRNET2 to GRNET3.

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Chrysostomos Tziouvaras Broadband Infrastructures Development Manager Greek Research and Technology Network CEF Workshop

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  1. GRNET3 update Chrysostomos Tziouvaras Broadband Infrastructures Development Manager Greek Research and Technology Network CEF Workshop Prague, 29 May 2006

  2. Migrating from GRNET2 to GRNET3 • The GRNET network at its current state (GRNET2) is built on leased DWDM lambdas for connecting IP routers • The next generation GRNET network (GRNET3) will be built on owned (long term IRUs) DF links CEF Networks Workshop

  3. Tenders for dark fibre • A tender for acquiring 15-year IRUs was issued at February 2005 • For three regional links (blue lines) • Budget: 4,07MEuros • Status: contracts signed with OTE • Another tender for acquiring 15-year IRUs was issued at February 2006 • For covering major Greek cities (green lines) • Budget:13,1MEuros • Status: contracts are to be signed within June 2006 CEF Networks Workshop

  4. Specifications • Single-mode fiber pair • Availability ≥ 99% • Monitoring and failure reporting • Failure recovery • 3 days for repairing terrestrial links • 20 days for repairing submarine links • Maintenance: downtime cannot exceed 6 hours/year/link • SLA for the optical characteristics of the DF links (attenuation, CD, PMD) • Collocation services at terminal and intermediate sites • Optionally: • G.655 fiber • Automatic failure notification CEF Networks Workshop

  5. Results • Tender published at 2005: 932 km of DF • Optical transmission equipment deployment is underway • Tender published at 2006: 2157 km of DF • To be delivered within 6 months after contracts will have been signed Attenuation 0.32 dB/Km , 0.25 dB/Km (submarine) CD G.652 -> 16.5 ps/nm/km (at 1550 nm) G.653 -> 0 ps/nm/km (at 1550 nm) PMD 0.050 ps/(Km)1/2 CEF Networks Workshop

  6. Equipment tenders • A tender for acquiring optical transmission equipment for lighting the three regional DF links was published at September 2005 • Budget 375KEuros (including 3 years support) • Status: contract signed with Adva (Siemens Hellas) CEF Networks Workshop

  7. Technical offer I • FSP2000 with DWDM lambdas • Passive components • 4 lambda mux/demux @C-band • Upgrade up to 32 lambdas in steps of 4 • Multirate Transponders • 3R • Support all data rates from 100Mbps to 2,5Gbps • Transparent interfaces • Can be used as regenerator • Ability to create loops (local and line sides) through NMS • ALS support CEF Networks Workshop

  8. Technical offer II • Network Element Management Interface (NEMI) • Manages all active components • Optical Supervisory Channel (OSC) • Path for communicating management traffic between FSP2000 nodes and the NMS • Extra lambda at 1630nm • Full duplex 100Mbps Ethernet • Optical input power measurement • Fiber degradation monitoring at 1630nm • Fixed Gain C-band EDFAs • All lambdas get the same amplification CEF Networks Workshop

  9. Technical offer III • The Athens-Chania case: submarine link featuring 2 spans of about 170km CEF Networks Workshop

  10. RFI for optical switching equipment • In order to prepare forthcoming tender for lighting DF links covering the rest Greek cities, an RFI was published • Focusing on • products and architectures that could enable automatic L1/2 circuit provisioning to selected GRNET clients (e.g. Grid nodes) • 13 manufacturers responded to this RFI CEF Networks Workshop

  11. NG-SDH DXC WX RFI results I • Types of boxes that could be used for automatic L1/2 circuit provisioning: • NG-SDH switches: typical SDH switches (VC-x based switching fabric) with data (1/10GbE) capabilities. • ROADM. Switch (OOO or OEO) based on lambda without sub-lambda processing • Hybrid. Use linecards with VC-x grooming and include ROADM card CEF Networks Workshop

  12. RFI results II • NG-SDH switches highlights: • Nx1GbE client signals aggregation is supported in two ways: • Each 1GbE client signal is mapped to an appropriately sized VCG (full line rate) • 1GbE client signals are aggregated through a line card featuring L2 capabilities and are mapped to smaller size VCGs. Mapping can be based on MPLS, 802.1Q. • Most manufacturers support both options • Relevant standards (GFP/VCAT/LCAS) are followed • Jumbo frames support CEF Networks Workshop

  13. RFI results III • Currently, most manufacturers do not support a control plane for automating circuit provisioning • Roadmaps include control plane support (especially GMPLS) by early 2007 CEF Networks Workshop

  14. Future plans • Further extension of the DF backbone (tender to be published within 2006) • Enable GRNET clients’ access to the DF cloud through • Acquiring IRUs for clients located in Athens and Thessaloniki (tender to be published within 2006) • Utilising Municipal Fibre Networks (MFNs) that are currently built in most Greek cities – expected to be available by mid 2007 • CBF interconnection CEF Networks Workshop

  15. Thanks!!! CEF Networks Workshop

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