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JANET Update

JANET Update. CEF 2010 14 th Septermber. Topics. JANET Update Roadmap – beyond 2013 100G trials JANET Aurora. JANET. FaTMAN. UHI. Glasgow. NIRAN. Clydenet. EaStMAN. C&NLMAN. AbMAN. NorMAN. Dublin (HEANET). YHMAN. NNW. Leeds. Warrington. EastNet. MidMAN. EMMAN. T-City.

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JANET Update

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  1. JANET Update CEF 2010 14th Septermber

  2. Topics • JANET Update • Roadmap – beyond 2013 • 100G trials • JANET Aurora

  3. JANET

  4. FaTMAN UHI Glasgow NIRAN Clydenet EaStMAN C&NLMAN AbMAN NorMAN Dublin (HEANET) YHMAN NNW Leeds Warrington EastNet MidMAN EMMAN T-City T-House London Reading TVN LMN WREN Kentish MAN LeNSE SWERN Bristol

  5. All Core links except AB and AC are 40Gb/s

  6. JANET Services • JANET IP • High capacity • Core at 40Gb/s • High reliability & resilience • JANET Lightpath • Mid to high capacity point-to-point circuits • JANET Aurora • Dark fibre research platform

  7. Initial Lightpath Core Topology Uses Existing Circuits Supports existing lightpaths EoMPLS Fine-grained capacity provisioning

  8. JANET Futures

  9. 2011 2012 2013 2014 2009 2010 Approximate timescales • This Year • prepare for contract extension 2011/2013 • Next 1.5 to 2 yrs • Gather & understand requirements for “FutureJANET” – post 2013 • Architecture & technical studies • 2011/12/13 – procure & deploy “FutureJANET” JANET5 contract extension FutureJANET

  10. Generic Service Model Services Routers JANET IP ? Structuring LayerCircuits<1Gbit/s – several Gbit/s( 10 – 100+ Gbit/s) in future Switches* TDM (SDH)* Ethernet ? JANET Lightpath Bulk CapacityWavelengths1 – 10 Gbit/s(100+ Gbit/s in future) Optical Transmission(DWDM) Fibres

  11. Future JANET Issues • Contract Structures • Separate Fibre & transmission components ? • Fibre options • Leases vs. IRUs, mandate fibre characteristics ? • Capacity • 10, 40, 100Gbit/s • L2 transmission • EoMPLS, PBB-TE, MPLS-TP • IP • Traffic scaling, but little technical evolution expected • Optical Layer Operations • Manage directly or subcontract ?

  12. Optical Transmission Layer options • ROADMS – WSS • Fully flexible optics • Tuneable • “Colourless” switching • wavelength agnostic • any port to any port

  13. Transparent Optical Transmission service ? • Alien wave admission • Power levels • Conformance to ITU grid & spacing • Transmission • Range – short vs. long • Dispersion compensation • Chromatic, PMD (2nd order PMD??) • Is it technically feasible to operate a network of this nature • Is it affordable ? • How would we monitor it • Operationally – SLAs etc • Traffic – deep packet inspection ?

  14. Future Service Model ? Services Routers JANET IP ? Structuring LayerCircuits<1Gbit/s – several Gbit/s( 10 – 100+ Gbit/s) in future Switches* TDM (SDH)* Ethernet ? JANET Lightpath Optical Transmission(DWDM) Bulk CapacityWavelengths1 – 10 Gbit/s(100+ Gbit/s in future) Transparent wave/spectrum“Aliens/3rd party” Optical Mux/Filters Fibres

  15. 100G

  16. 100G trials - Phases • Nortel • May 2009 (just before CEF 2009) • Ciena • Early 2010 • Now all Ciena ! • Less competition – greater prices ? • Currently • Commercial discussions with Verizon Business (Ciena)

  17. FaTMAN UHI Glasgow NIRAN Clydenet EaStMAN C&NLMAN AbMAN NorMAN Dublin (HEANET) YHMAN NNW Leeds Warrington EastNet MidMAN EMMAN T-City T-House London Reading TVN LMN WREN Kentish MAN LeNSE SWERN Bristol Separate Fibre

  18. Nortel 100G Trial • ~100km dark fibre • London to Reading • Three neighbouring 50GHz channels • 100, 40 & 10Gbps • PMD Emulator • Ethernet & SDH test sets • Optical Spectrum Analyser • ...two 100G Nortel linecards touring Europe….

  19. 100G Trial

  20. 100G 40G 10G 100G Trial

  21. Fibre characteristics

  22. Distributed PMD testing

  23. Ciena 100G

  24. FaTMAN UHI Glasgow NIRAN Clydenet EaStMAN C&NLMAN AbMAN NorMAN Dublin (HEANET) YHMAN NNW Leeds Warrington EastNet MidMAN EMMAN T-City T-House London Reading TVN LMN WREN Kentish MAN LeNSE SWERN Bristol In Production Fibre

  25. Ciena 100G trial set-up • 40G production wave – Flex Select (Ciena 4200 series) • 100G trial wave – pre-production system (Nortel OME 6500) • Into corestream optical mux • Link DGD v. good – about 1pS

  26. 100G in production ?

  27. 100G Summary • JANET needs it now ! • Must be economic • In discussions with suppliers • Hope to implement 3 links • Bad fibre • Guard band issues - engineering

  28. JANET Aurora

  29. Aston University University of Cambridge University of Essex Telehouse London UCL Intermediate equipmentco-location point University of Southampton University / JANET access point Fibre spans JANET Aurora 850km of fibre-pairs JANET Lightpath access toother UK Locations International Lightpath access to other NRENs via JANET & GEANT

  30. JANET Aurora results • Following Slides from Giuseppe Mara - National Physical Laboratory (NPL) • Used with permission • Collaboration between NPL and Southampton Unieversity

  31. Transfer of very high stability signals over optical fibre Who needs dissemination of ultra-high stability signals over long distances? frequency comparison between metrology laboratories (atomic clocks, ultra stable oscillators,…) - arrays of radio telescopes (VLBI) - particle accelerators

  32. + Optical+Microwave: comb transfer Repetition rate locked either to an optical or a microwave reference

  33. The JANET–Aurora optical network (This follows previous experiment on spools at NPL: G. Marra et al., Opt. Lett., 35, 2010)  The JANET-Aurora links 5 Universities Total span ~800 km There are two fibres between the University of Southampton and the hub at Crawley Court: by joining the two fibres in the hub we can make an 86 km span with both ends in the laboratory

  34. Comb transfer: measurement set-up We extend the compensation range with thermally controlled spool in addition to the fibre stretcher

  35. Transfer stability achieved on Aurora network low stability high stability

  36. Transfer stability achieved on Aurora network low stability 15,000 equally spaced optical frequencies + 100s of equally spaced microwave frequencies (as many as the photodetector BW allows) Highest transfer stability reported to date for this technique high stability

  37. Conclusions • Microwave transfer using an optical comb: results on a real network 86 km long. Stability 4 x 10-17at 1600 s • Results on Aurora network show that this technique is suitable for transfer of state-of-the-art frequency references over many tens of km. - further improved results possible by reducing the measurement noise floor.

  38. Futures / Options ? • No Aurora – what to use as an R&D platform ? • Make more of JANET fibres – aliens in Production links ? • Allocate part of transmission spectrum for research use ? • Perhaps only implement on selected routes – partial implementation ?

  39. Spares

  40. JANET Lightpath Service • Dedicated Network capacity for projects • Point-to-point circuits • Typically about 1Gb/s • About 30 paths configured • Across about 15 projects • New infrastructure • Reviewing provision & reinstatement with projects & US providers

  41. 100 Gb/s trial • JANET(UK) with Nortel and Verizon • About two weeks ago • Very Successful & promising • Loaned equipment (Nortel) – Verizon co-ordinated the work • Separate fibre • JANET will need 100Gb/s on the core in 2010 • Already at 17Gb/s over 40G link

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