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Josef Vojtěch , Stanislav Šíma , Lada Altmannová, Miloslav Hůla, Jan Radil , Pavel Škoda

Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems. Josef Vojtěch , Stanislav Šíma , Lada Altmannová, Miloslav Hůla, Jan Radil , Pavel Škoda. www.cesnet .cz. czechlight.cesnet.cz. vojtech (zavináč) cesnet (tečka) cz. Sharing of Fibers by Transmission Systems

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Josef Vojtěch , Stanislav Šíma , Lada Altmannová, Miloslav Hůla, Jan Radil , Pavel Škoda

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  1. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Josef Vojtěch, Stanislav Šíma, Lada Altmannová, Miloslav Hůla, Jan Radil, Pavel Škoda www.cesnet.cz czechlight.cesnet.cz vojtech (zavináč) cesnet (tečka) cz OK 2011

  2. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Authors participate on following projects: Large infrastructure CESNET (www.cesnet.cz), GÉANT, GN3 (www.geant.net) Presented content don’t necessarily represent an official opinion of mentioned institutions and projects OK 2011

  3. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Outline • Fibers Sharing • Motivations • Possible Approaches • Spatial Multiplex • Wavelength Multiplex • Open Transmission Systems • Photonic Transmission (incl. Real-time) • Conclusions • Q&A OK 2011

  4. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Fibers Sharing - Motivations • Fiberssharing– more transmission systems in operation over single fiber par • Why!?: Demand for additional lambdas (incl. non-data with own supervisory channel) • Simply no free fibers left New ground cable installation is expensive (e.g. 60 EUR/m in rural areas [1]) [1] S. Sima et al.: Deliverable D3.2v3 of Porta Opticaproject: Economicanalysis, darkfibreusagecost model and model ofoperationshttp://www.porta-optica.org/publications/POS-D3.2_Economical_analysis.pdf OK 2011

  5. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Fibers Sharing – Motivations Cont. • Economical solution - although in case of fibers rental Annualized average cost of fiber rental: cf = 0.5 EUR/m/year [1] Annualized costs of transmission system (10Gbps) [1]: ct = 0.12 EUR/m/year for proprietary system ct = from 0.035 to 0.047 EUR/m/year for open systems • Obviously 2.ct +cf < 2.ct +2.cf OK 2011

  6. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Fibers Sharing – Possible Approaches Spatial Multiplex • Inter fiber • Two single fiber bidirectional systems • Intra fiber • Few mode fiber • Multicore fiber Wavelength Multiplex • Band based • Sub-band based • Interleaved • Free allocation of spectrum OK 2011

  7. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Fibers Sharing – Spatial Multiplex • Inter Fiber • Two single fiber systems, each over one fiber • Excellent systems isolation • Limited to 2 systems OK 2011

  8. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Fibers Sharing – Single Fiber Transmission • Sharing of single fiber between directions typically on wavelength base • Proven technology, commercially available and in operation • In CESNET2 over 905km of single fiber with DWDM system • Transmission system price increase • Less than 0.0015 EUR/m/year [1] OK 2011

  9. Sharing of Fibers by Transmission Systems http://www.ces.net/netreport/CESNET2_IP_MPLS_backbone_utilization/Plzen%20-%3E%20Cheb/index.html OK 2011

  10. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Fibers Sharing – Spatial Multiplex • Intra Fiber • Few mode fiber (3, 5,...) • Multicore fiber Still under development – known issues: xtalk, coupling/decoupling, splicing, connectors, amplification (EDFA/Raman) source: C. Koebele et al.: 40km Transmission of Five Mode Division Multiplexed Data Streams at 100Gb/s with low MIMO-DSP Complexity, ECOC 2011 PDP Th.12.C3 OK 2011

  11. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Fibers Sharing – Wavelength Multiplex • Wavelength Multiplex • Band based • Sub-band based • Interleaved • Free allocation OK 2011

  12. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Wavelength Multiplex • Based on whole transmission bands • Single vendor - C and L proven, S still limited • Arrangement of management channels • Interaction through Raman scattering Source: Cisco OK 2011

  13. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Wavelength Multiplex • Sub-band based • Interleaved • Free allocation • Arrangement of management channels – complicated • Interaction XPM and FWM, vs. guard-bands OK 2011

  14. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Open Photonic Transmission Systems • Free (SW) – freedom to use, study or modify; not necessarily for free • Open(SW) – openness for community development, freedom of redistribution • Differences small, but not exactly same classes • Commercial SW – proprietary or free (e.g. Red Hat) • Free/Open source hardware • Designed andofferedin the same way as SW OK 2011

  15. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Open Photonic Transmission Systems • Obvious success of open/free SW • Open/free approach in networking exists • Plenty of smaller project, e.g.open routers • Big players - Network OS JUNOS (based onFree BSD) opened in 2007 • Open transmission system developed in CESNET • Open transmission system • Owner/operator can system actively modify and improve - fast development of new features/services • Freedoms preserved • Freedom to use on own, study or modify OK 2011

  16. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Photonic Transmission Services • To allow also non-data transmissions • To support true real time applications • Low and fixed latency – propagation only • Preferably no OEO OK 2011

  17. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Photonic Transmission Services • High performance and high speed data transmission need not to be real-time. Real-time has to do with timeliness constraints • Present network usually support non-real-time services, i.e. no timeliness constraints are defined • Examples (best-effort not acceptable): • Real time system control in industry and transport, vehicle control • Radio frequency over fibre (signals from radio locator, sonar, etc.) • Remote instrument control, telescope control • HD Videoconferencing and multicast with quality guaranty • Real time earthquake monitoring and emergency networks OK 2011

  18. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Photonic Transmission Services Examples: • Multi-channel low-latency video transmissions for 4K/2K and 3D HD applications in medicine, engineering (CAVE-to-CAVE) and audiovisual processing • Surgery broadcast: http://www.ces.net/doc/press/2010/pr100304.html • Remote robotic surgery (da Vinci robot) - distance 130 km, delay less 1 ms, truly real-time 3D Full HD stereo broadcast http://www.ces.net/doc/press/2010/pr100618.html OK 2011

  19. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Photonic Transmission Services • Precise time transfer - comparison of atomic clock scales • Prague (UFE) and Vienna (BEV) • Distance 520 km, accuracy under 1 ns (1 ns ≈ 30 cm in vacuum or 20 cm in fibre)‏ http://www.pttimeeting.org/archivemeetings/2010papers/paper33.pdf http://www.ces.net/doc/press/2010/pr100401.html OK 2011

  20. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Precise Time Transfer Demo OK 2011

  21. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Conclusions • Fibre sharing – works with some proprietary systems from one vendor (C+L) • Need to verify it for different vendors • Open system are suitable candidate (OO, OP) • Photonic services operational • Development and accuracy improvement OK 2011

  22. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Acknowledgement • Jan Gruntorád, Miroslav Karásek, Martin Míchal,Jan Nejman, Václav Novák,Karel Slavíček, Vladimír Smotlacha OK 2011

  23. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems Thank You for kind attention!Questions? vojtech (zavináč) cesnet (tečka) cz OK 2011

  24. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems References 1 • [2] Petr Holub, Josef Vojtech, Jan Radil, et. al., „Pure Optical (Photonic) Multicast“, GLIF 2007 Demo, Prague, 2007. • [3] Jan Radil, Stanislav Šíma, „ Customized Approaches to Fibre-based E2E Services“, TERENENA 1st E2E Workshop, Amsterdam, 2008. • [4] Stanislav Šíma, et. al., „LTTx: Lightpaths to the application, From GOLEs to dispersed end users “, GLIF 2008 Workshop, Seattle WA, 2008. • [5] Josef Vojtěch, Jan Radil, „Transparent all optical switching devices in CESNET“, 25th APAN meeting, Honolulu HI, 2008. • [6] Radil J., Vojtěch J., Karásek M., Šíma S.: Dark Fibre Networks and How to Light Them, 4th Quilt Optical Networking Workshop, Fort Lauderdale FL, 2006. OK 2011

  25. Sharing of Fibers by Transmission Systems Open Photonic Transmission Systems References 2 • [7] czechligh.cesnet.cz, Publications • [8] Global Lambda Integrated Facility, http://www.glif.is • [9] Vojtěch J., „CzechLight and CzechLight amplifiers“. In: 17th TF-NGN meeting, Zurych, Switzerland, April 2005 OK 2011

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