Optical Internetworking Forum


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Optical Internetworking Forum

  1. 1. Steve Joiner, Technical Committee Chair John McDonough, Member OIF Board of Directors www.oiforum.com Optical Internetworking Forum
  2. 2. What is the OIF? <ul><li>Why the OIF? </li></ul><ul><li>Organization of Working Groups </li></ul><ul><li>Possible Interaction OIF / ITU-T </li></ul><ul><li>Summary </li></ul>
  3. 3. What is OIF? <ul><li>Launched in April of 1998 </li></ul><ul><li>Open forum: 340+ members including many of the world’s leading carriers and vendors </li></ul><ul><li>The only industry group bringing together professionals from the packet and circuit worlds </li></ul><ul><li>Addresses key issues in a timely fashion that are not being addressed elsewhere </li></ul><ul><li>Mission: To foster the development and deployment of interoperable products and services for data switching and routing using optical networking technologies </li></ul>
  4. 4. Output from OIF <ul><li>Develop implementation agreements among its members </li></ul><ul><ul><li>Standalone documents representing broad agreement among members </li></ul></ul><ul><li>OIF implementation agreements assure customers of consistent functionality and interoperability </li></ul><ul><li>Provides input into existing standards bodies and influences the development of standards </li></ul>
  5. 5. Technical Committee Six Working Groups <ul><li>Architecture </li></ul><ul><ul><li>Services, network requirements and architectures </li></ul></ul><ul><li>Carrier </li></ul><ul><ul><li>Requirements and applications </li></ul></ul><ul><li>Signaling </li></ul><ul><ul><li>Protocols for automatic setup of lightpaths </li></ul></ul><ul><li>OAM&P (Operations, Administration, Maintenance and Provisioning) </li></ul><ul><ul><li>Network management </li></ul></ul><ul><li>Interoperability </li></ul><ul><ul><li>Interoperability testing </li></ul></ul><ul><li>Physical and Link Layer </li></ul><ul><ul><li>Equipment and subsystem module and optical interfaces </li></ul></ul>
  6. 6. Areas for Standardization <ul><li>Network Architectures </li></ul><ul><ul><li>Including Optical/DWDM technologies </li></ul></ul><ul><ul><li>Design for Data services </li></ul></ul><ul><li>Physical layer transmission technologies </li></ul><ul><ul><li>Higher line rates </li></ul></ul><ul><ul><li>Low Cost Short Reach Interfaces </li></ul></ul><ul><ul><li>More flexible framing structures </li></ul></ul><ul><li>Layer 2 and 3 Transport and Encapsulation </li></ul><ul><ul><li>New data centric protocols to transport </li></ul></ul><ul><ul><li>Collapsed protocol stacks </li></ul></ul><ul><li>Network Management and Control </li></ul><ul><ul><li>Simplify and automate management </li></ul></ul><ul><ul><li>Fast, flexible & efficient provisioning </li></ul></ul>
  7. 7. OIF and Standards Bodies <ul><li>OIF submissions perform two functions: </li></ul><ul><ul><li>Request standardization of specific OIF recommendations </li></ul></ul><ul><ul><li>Provide informational documents to the target standards group </li></ul></ul><ul><li>Established Liaisons With: </li></ul><ul><ul><li>ANSI T1 </li></ul></ul><ul><ul><li>IETF </li></ul></ul><ul><ul><li>ATM Forum </li></ul></ul><ul><ul><li>IEEE 802.3ae 10 Gigabit Ethernet </li></ul></ul><ul><ul><li>Network Processor Forum </li></ul></ul><ul><ul><li>ITU-T SG 15 </li></ul></ul>
  8. 8. OIF - Optical Internetworking Forum <ul><li>UNI 1.0 - Optical User to Network Interface </li></ul><ul><ul><li>Based upon GMPLS Signaling Protocols </li></ul></ul><ul><li>Intra-carrier NNI work underway </li></ul><ul><li>Very Short Reach Optics (VSR) 10G and 40G </li></ul><ul><ul><li>12 fiber parallel, 4 fiber parallel, </li></ul></ul><ul><ul><li>850nm serial, 1310nm serial </li></ul></ul><ul><li>Internal System and Chip Interfaces </li></ul><ul><ul><li>SPI - System Packet Interface </li></ul></ul><ul><ul><li>SFI - SERDES Framer Interface </li></ul></ul>
  9. 9. PLL Working Group <ul><li>Adopted Packet Over SONET/SDH link layer </li></ul><ul><li>Interfaces internal to network elements </li></ul><ul><ul><li>Benefits to system vendors and technology vendors </li></ul></ul><ul><ul><li>Interface definitions lead to physical module standardization, thus lower costs </li></ul></ul><ul><ul><li>Serializer/Deserializer-Framer Interfaces (SFIs) </li></ul></ul><ul><ul><li>System Physical Interfaces (SPIs) </li></ul></ul><ul><ul><li>10G and 40 G </li></ul></ul><ul><li>Interfaces between network elements </li></ul><ul><ul><li>Very Short Reach Interfaces (VSR) </li></ul></ul><ul><ul><li>Parallel optics solutions for low cost 10 G interfaces </li></ul></ul>Link Layer (Packet and Cell based Protocols) Rest of the System SONET/SDH Framer PHY Layer SERDES E/O Transceiver Transmission Media SPI SFI
  10. 10. PLL Agreements <ul><li>10Gb/s VSR Agreements </li></ul><ul><ul><li>VSR-1, 12 fiber x 1.25Gb/s 850nm (<300m) </li></ul></ul><ul><ul><li>VSR-2, Serial 1310nm (<600m) </li></ul></ul><ul><ul><li>VSR-3, 4 fiber x 2.5Gb/s 850nm (<300m) </li></ul></ul><ul><ul><li>VSR-4, Serial 850nm (<300m) </li></ul></ul><ul><li>Electrical Interface Agreements </li></ul><ul><ul><li>SPI-3 OC48 System Packet Interface </li></ul></ul><ul><ul><li>SFI-4 OC192 Serdes-Framer Interface </li></ul></ul><ul><ul><li>SPI-4 phase 1 OC192 System Packet Interface </li></ul></ul><ul><ul><li>SPI-4 phase 2 OC192 System Packet Interface </li></ul></ul>PLL = Physical Link Layer
  11. 11. PLL Work In Progress <ul><li>VSR 40Gb/s Very Short Reach Optics </li></ul><ul><li>SPI-5 40Gb/s System Packet Interface </li></ul><ul><li>SFI-5 40Gb/s Serdes-Framer Interface </li></ul><ul><li>TFI-5 Framer to Fabric Interface </li></ul><ul><li>SFI-4 Phase 2 - OC192 Serdes-Framer Interface with narrower data paths. </li></ul><ul><li>Tunable laser – non-optical interface IA </li></ul>
  12. 12. Signaling Working Group <ul><li>Define Signaling protocols used between optical network elements </li></ul><ul><ul><li>Enables clients to establish optical connections </li></ul></ul><ul><ul><li>Re-uses work from other standards bodies </li></ul></ul><ul><li>UNI 1.0 complete </li></ul><ul><ul><li>Now in public domain as implementation agreement. </li></ul></ul><ul><li>Future Project </li></ul><ul><ul><li>UNI 2.0 started November 2001 </li></ul></ul><ul><ul><li>Intra-carrier NNI started November 2001 </li></ul></ul>
  13. 13. UNI 1.0 Functions <ul><li>SONET/SDH Connection Signaling </li></ul><ul><ul><li>Establishment </li></ul></ul><ul><ul><li>Deletion </li></ul></ul><ul><ul><li>Status exchange </li></ul></ul><ul><li>Automatic topology discovery </li></ul><ul><li>Automatic service discovery </li></ul><ul><li>SONET/SDH Transport </li></ul>
  14. 14. UNI 1.0 Protocol Components <ul><li>Connection Signaling </li></ul><ul><ul><li>RSVP or CR-LDP with GMPLS extensions </li></ul></ul><ul><ul><li>Additional UNI Objects/TLV’s </li></ul></ul><ul><li>Service Discovery & Neighbor Discovery </li></ul><ul><ul><li>Link Management Protocol (LMP) </li></ul></ul><ul><ul><li>Additional UNI TLV’s </li></ul></ul><ul><li>UNI Transport </li></ul><ul><ul><li>Out of band - via IP transport (eg Ethernet) may use separate wavelength </li></ul></ul><ul><ul><li>In Band - via SONET/SDH DCC </li></ul></ul>
  15. 15. UNI 1.0 and GMPLS Relationship <ul><li>Generalized Multi-Protocol Label Switching (GMPLS) </li></ul><ul><ul><li>MPLS was designed to support forwarding of data based on packet or cell boundaries </li></ul></ul><ul><ul><li>Extensions to MPLS to include Time Division (SONET/SDH Add/Drop Multiplexers), wavelength (optical lambdas), and spatial switching </li></ul></ul><ul><ul><li>Gives MPLS a way to identify time slots or wavelengths </li></ul></ul><ul><ul><li>UNI 1.0 uses GMPLS formats </li></ul></ul>
  16. 16. UNI Interoperability Trials <ul><li>UNI Interoperability trials - 25 vendors demonstrated UNI interoperability at SUPERCOMM - Atlanta, GA; June, 2001 </li></ul><ul><li>25 Vendors </li></ul><ul><ul><li>Agilent </li></ul></ul><ul><ul><li>Avici </li></ul></ul><ul><ul><li>Alcatel </li></ul></ul><ul><ul><li>Ciena </li></ul></ul><ul><ul><li>Cinta </li></ul></ul><ul><ul><li>Cisco </li></ul></ul><ul><ul><li>Coriolis </li></ul></ul><ul><ul><li>Corvis </li></ul></ul><ul><ul><li>Geyser </li></ul></ul><ul><ul><li>Huawei </li></ul></ul><ul><ul><li>Metro-Optix </li></ul></ul><ul><ul><li>Lucent </li></ul></ul><ul><ul><li>Nortel </li></ul></ul><ul><ul><li>ONI </li></ul></ul><ul><ul><li>Optisphere </li></ul></ul><ul><ul><li>Optivera </li></ul></ul><ul><ul><li>Redback </li></ul></ul><ul><ul><li>Spirent </li></ul></ul><ul><ul><li>Sycamore </li></ul></ul><ul><ul><li>Tellium </li></ul></ul><ul><ul><li>Tenor </li></ul></ul><ul><ul><li>Turin </li></ul></ul><ul><ul><li>Village </li></ul></ul><ul><ul><li>Zaffire </li></ul></ul>
  17. 17. Objective of OIF / ITU-T interaction <ul><li>The OIF does not want to duplicate other work. </li></ul><ul><li>Our membership is substantially different in makeup to the ITU membership </li></ul><ul><li>The OIF will debate in its forum the pros/cons of different approaches. </li></ul><ul><li>Frequent and close communication will insure that the diversity of objectives and solutions will be heard and lead to the best solutions. </li></ul>
  18. 18. OIF Summary <ul><li>Brings together professionals from the data and circuit worlds </li></ul><ul><li>Addressing key issues important to carriers and vendors </li></ul><ul><li>Nine technical documents ratified as Implementation Agreements </li></ul><ul><li>Optical module interface standards will allow industry to gain needed economies of scale </li></ul><ul><li>Future work: (NNI) Network to Network Interface; richer functionality UNI 2.0; billing for UNI. </li></ul>