1. Josef Vojtěch, Jan Radil josef.vojtech cesnet.cz www.ces.net Transparent all optical switching devices in CESNET

2. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 2 Transparent all optical switching devices in CESNET Outline CESNET, CESNET2 and EF Motivations for photonics devices Results Overview of CL devices Photonic cross-connects - CLS Photonic multicast cross-connect - CLM Conclusions

3. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 3 Transparent all optical switching devices in CESNET The Czech Republic Area: 78 866km 2 = 30 450 sq mi Population: 10 349 372 source: http://en.wikipedia.org/wiki/Czech_Republic

4. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 4 Transparent all optical switching devices in CESNET CESNET CESNET (Czech Educational and Scientific Network) - NREN in the Czech Republic Established as Association of Legal Entities (z.s.p.o.) in 1996 – not for profit All public universities + Czech Academy of Sciences 52 staff members in Prague + over 150 part-time staff working on projects Funded by Ministry of Education, Youth and Sports of the Czech Republic and association members - budget cca. 12 Mil EURo/year Research plan: „Optical High Speed National Research Network and its New Applications“

5. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 5 Transparent all optical switching devices in CESNET GEANT2

6. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 6 Transparent all optical switching devices in CESNET

7. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 7 Transparent all optical switching devices in CESNET Experimental facility

8. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 8 To make innovative photonic devices ready for deployment in (operational) networks History Utilization of dark fibres – CEF networks (the first DF line lighted in 1999, 2.5 Gb/s PoS) National Research and Educational Networks (NRENs) rely on leased dark fibres and prefer to have no active components between the transmitter and the receiver  Repeater-less or better Nothing-in-line (NIL) approach Cost effective deployment of multi-gigabit lines (N x 1 GE, N x 10 GE) Single fibre bidirectional N x 10 GE transmission Transparent all optical switching devices in CESNET CL devices - Motivations

9. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 9 Optical amplifiers EDFAs – CLAs (deployment since May 2004)  12 devices deployed in CESNET2 or EF, 8 new planned for 2008  in-lines, 2in1,boosters, preamps Raman - CLR  distributed amplification – following extension of reach  TDM Raman with suppression of fast transients under development Tunable compensators of chromatic dispersion – CLCs Important for higher speeds and difficult light-paths  FBG based  also considered usage of Gires-Tournois etalons or virtually-imaged phase-arrays Transparent all optical switching devices in CESNET CL devices - What is done

10. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 10 Transparent all optical switching devices in CESNET CL devices - New equipment

11. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 11 Transparent all optical switching devices in CESNET New equipment – Photonic cross-connects CLS 8x8, 16x16 Basic idea from the CLA design PLC based 8 x 8 switching matrix (from a commercial vendor) Operational bandC Insertion loss7 dB DurabilityMTBF 10 6 hrs MEMS based 16 x 16 switching matrix – under development Operational bandC + L Insertion loss2 dB Durability10 9 cycles

12. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 12 Web based management - GUI User accounts with different privileges (configure/check) AAA if needed, LDAP Time scheduler for sharing of expensive resources  International links (lambdas), power PCs  ‚I would like to get a 10G link from 2 a.m. to 6 a.m. for my experiments‘  Perhaps the most important thing CLI interface via SSH Transparent all optical switching devices in CESNET New equipment – Photonic cross-connects CLS 8x8, 16x16

13. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 13 Transparent all optical switching devices in CESNET New equipment – Photonic cross-connects CLS 8x8, 16x16

14. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 14 True optical multicast, not SONET/SDH drop and continue or port mirroring known from routers/switches Protocol agnostic, 1 to many (limited by optical losses but can be compensated for by amplifier) Allows combinations of switching and multicasting from 1:1 to 1:4 Very suitable for high speed data (uncompressed HD or 4K) Web based management - GUI User accounts with different privileges (configure/check) AAA if needed, LDAP Time scheduler CLI interface via SSH Transparent all optical switching devices in CESNET New equipment – Photonic multicast cross-connect CLM 4x4

15. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 15 Transparent all optical switching devices in CESNET New equipment – Photonic multicast cross-connect CLM 4x4

16. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 16 Transparent all optical switching devices in CESNET CLM 4x4 demonstration @ GLIF 2007 meeting

17. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 17 Transparent all optical switching devices in CESNET CLM 4x4 demonstration @ GLIF 2007 meeting

18. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 18 Easy way to deploy new innovative photonics products CL Devices used in CESNET experimental facility CzechLight and network CESNET2 since 2004 These devices must be ready for deployment, in other words NOC folks should find most of ‚standard‘ features CL cross-connects used during demos@GLIF 2007 meeting Colored cross-connects ROADM, WSS in development Next colorless cross-connects considered (SOA and crystal based) If anybody is interested please let us know Transparent all optical switching devices in CESNET Conclusions

19. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 19 [1] Vojtěch, J. - Karásek, M. - Radil, J., „All-Optical Chromatic Dispersion Compensation In Long-Haul Transmission Over 225km – With No Inline Amplification “, In: CSN 2007. [2] Petr Holub, Josef Vojtech, Jan Radil, et. al, „ Pure Optical (Photonic) Multicast“, GLIF 2007 Demo, Praha, 2007. [3] Vojtěch, J. „CzechLight and CzechLight Amplifiers “, In: 17th TF-NGN Zurich, 2005. Transparent all optical switching devices in CESNET References

20. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 20 Lada Altmanová, Jan Gruntorád, Miloslav Hůla, Martin Míchal, Jiří Navrátil, Jan Nejman, Stanislav Šíma Transparent all optical switching devices in CESNET Acknowledgements

21. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 21 CESNET conference, Prague, September 25 th -26 th, 2008 (Advanced Networking and Virtualization) http://www.ces.net Transparent all optical switching devices in CESNET

22. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 22 Transparent all optical switching devices in CESNET Thank you for your attention! Q & A

23. January 24, 2008 The APAN 25th meeting - Lambda Networking BoF 23 Transparent all optical switching devices in CESNET CLM 4x4 demonstration @ GLIF 2007 meeting