Recent Progress In Ason Technologies In The Oif


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Recent Progress In Ason Technologies In The Oif

  1. 1. Recent Progress in ASON Technologies in the OIF Joe Berthold President – Optical Internetworking Forum
  2. 2. Outline <ul><li>OIF Overview </li></ul><ul><li>Control Plane Interoperability Demonstrations </li></ul><ul><li>Current Work and Future Directions </li></ul>
  3. 3. About OIF <ul><li>Launched in April of 1998 with an objective to foster development of low-cost and scaleable internet using optical technologies </li></ul><ul><li>The only industry group bringing together professionals from the data and optical worlds </li></ul><ul><li>Open forum: 100+ member companies </li></ul><ul><ul><li>International </li></ul></ul><ul><ul><li>Carriers </li></ul></ul><ul><ul><li>Component and systems vendors </li></ul></ul><ul><ul><li>Testing and software companies </li></ul></ul><ul><li>Our 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 – Implementation Agreements <ul><li>35 agreements published to date </li></ul><ul><ul><li>Applications include: </li></ul></ul><ul><ul><ul><li>Control plane interfaces User-to-Network (UNI), Network-to-Network (NNI), Security & Billing </li></ul></ul></ul><ul><ul><ul><li>Intra-office Optical interfaces Very Short Reach (VSR) 10Gbps & 40 Gbps </li></ul></ul></ul><ul><ul><ul><li>Tunable Lasers Assembly and Control </li></ul></ul></ul><ul><ul><ul><li>Intra-system Electrical interfaces Serializer/Deserializer-Framer interface (SFI), Physical-Link Layer device interfaces(SPI), Fabric-to-Framer interface </li></ul></ul></ul>VSR SPI SFI E/O Tx SER DES Framer Link Layer (Packet & Cell Protocols) VSR SPI SFI E/O Tx SER DES Framer Link Layer (Packet & Cell Protocols) Domain C OIF UNI OIF E-NNI OIF UNI Domain A Domain B OIF E-NNI NE NE NE NE NE NE Client Client
  5. 5. Optical Control Plane – The Overall Benefits <ul><li>Technology Benefits </li></ul>Routing Signaling Discovery Service activation Multi-layer resource control Resiliency mechanisms <ul><li>Topology discovery </li></ul><ul><li>Path Selection </li></ul>Resource discovery Inventory management Control channel management Domain C OIF UNI OIF E-NNI OIF UNI Domain A Domain B OIF E-NNI NE NE NE NE NE NE Client Client
  6. 6. Evolution from Requirements to Deployment Interoperability Agreements Interoperability Tests/Demonstrations Interop WG Deployment Feedback Requirements Carrier WG Networking WGs Carriers
  7. 7. OIF Interactions with other bodies <ul><li>IETF </li></ul><ul><ul><li>Frequent informal liaisons on protocol issues and activities </li></ul></ul><ul><ul><li>Example: Ethernet traffic specifications </li></ul></ul><ul><ul><li>Security Aspects </li></ul></ul><ul><li>ITU-T </li></ul><ul><ul><li>Liaisons for exchange of documents, issue identification </li></ul></ul><ul><ul><li>Cooperative discussion on ASON-related Demos and Implementation Agreements </li></ul></ul><ul><li>MEF </li></ul><ul><ul><li>Recent liaisons on Ethernet-related work </li></ul></ul><ul><ul><li>Support of MEF Ethernet service characteristics in OIF UNI 2.0 </li></ul></ul>
  8. 8. Outline <ul><li>OIF Overview </li></ul><ul><li>Control Plane Interoperability Demonstrations </li></ul><ul><li>Current Work and Future Directions </li></ul>
  9. 9. 2005 - Second Worldwide Demonstration <ul><li>World's leading optical technology carriers and suppliers </li></ul><ul><li>7 carriers and 13 vendors invested significant time and resources to complete the demonstration </li></ul><ul><li>Collaborating to build a global optical network delivering Ethernet services </li></ul><ul><li>Global Reach </li></ul><ul><ul><li>3 Continents, 6 Countries </li></ul></ul><ul><ul><li>Trans-Atlantic, Trans-Pacific network connection set-up </li></ul></ul>
  10. 10. OIF Interoperability Labs Beijing, China Berlin, Germany Musashino, Japan Lannion, France Middletown, NJ-USA Waltham, MA-USA Torino, Italy SuperComm 2005 booth
  11. 12. Technical Highlights <ul><li>The network consists of over 70 nodes from 13 vendors in the 7 carrier labs </li></ul><ul><ul><li>Equipment includes Ethernet switches, routers, MSPPs, SONET/SDH cross-connects, OADMs, ROADMs </li></ul></ul><ul><li>Ethernet Services demonstrated: </li></ul><ul><ul><li>Ethernet Private Line service </li></ul></ul><ul><ul><ul><li>Enabled by OIF optical control plane </li></ul></ul></ul><ul><ul><li>Virtual Ethernet services (Virtual Private Line, Virtual Private LAN, Internet Access/Virtual Trunking) </li></ul></ul><ul><ul><ul><li>Enabled by VLAN tags </li></ul></ul></ul>
  12. 13. Major Accomplishments <ul><li>Multi-layer call/connection control of UNI-N devices </li></ul><ul><ul><li>Orchestrates actions between client and server layers </li></ul></ul><ul><ul><li>Controls Ethernet adaptation using GFP-F/VCAT/LCAS </li></ul></ul><ul><li>Creation of end-end calls and connections across: </li></ul><ul><ul><li>Multiple data plane layers </li></ul></ul><ul><ul><li>Multiple vendors’ equipment </li></ul></ul><ul><ul><li>Multiple carrier labs </li></ul></ul><ul><li>The major features (1) Ethernet over SONET/SDH adaptation and (2) distributed optical control planes have each been demonstrated before </li></ul><ul><ul><li>However, this is the first event bringing both together in an integrated fashion on a global scale </li></ul></ul>
  13. 14. Feedback from OIF/ASON Prototyping Work <ul><li>Prototyping of ASON routing principles </li></ul><ul><li>Participation by OIF members in IETF Joint Design Team </li></ul><ul><li>IETF Routing Evaluation draft (RFC 4652) </li></ul><ul><li>Followed up by IETF Solutions draft, in progress </li></ul><ul><li>Example Areas: </li></ul><ul><li>Flexible distribution of control and data plane elements </li></ul><ul><li>Modified SONET/SDH bandwidth accounting </li></ul>
  14. 15. Flexible Distribution of Control and Data Plane <ul><li>Allow one Routing Controller to advertise for multiple Data Plane Nodes </li></ul><ul><li>Result: Supported by adding Local and Remote TE Router IDs to the Link State Advertisement </li></ul><ul><ul><li>see draft-ietf-ccamp-gmpls-ason-routing-ospf-03.txt </li></ul></ul>routing NE LSR Model routing ASON Model NE NE NE
  15. 16. Modified Bandwidth Accounting <ul><li>Under certain conditions, overall bandwidth does not reflect ability to support connections </li></ul><ul><ul><li>e.g., enough timeslots but not contiguous for a large signal type </li></ul></ul><ul><li>Result: advertise actual availability for connections at each signal type if appropriate </li></ul><ul><ul><li>see draft-ietf-ccamp-gmpls-ason-routing-ospf-03.txt </li></ul></ul>
  16. 17. Outline <ul><li>OIF Overview </li></ul><ul><li>Control Plane Interoperability Demonstrations </li></ul><ul><li>Current Work and Future Directions </li></ul>
  17. 18. OIF Optical Routing Activities <ul><li>OIF-ENNI-OSPF-01.0 Implementation Agreement approved 01/2007 </li></ul><ul><ul><li>OSPF-based Inter-domain routing within carrier network </li></ul></ul><ul><ul><li>Uses ITU-T G.7715 and G.7715.1 ASON routing requirements </li></ul></ul><ul><ul><li>Incorporates inputs from OIF Carrier WG </li></ul></ul><ul><ul><li>Documents prototyping of OSPF-based ASON routing </li></ul></ul><ul><ul><ul><li>codepoints used for prototyping purposes </li></ul></ul></ul><ul><ul><ul><li>prototyping example </li></ul></ul></ul><ul><ul><li>Points towards future incorporation of routing standards work from IETF and ITU-T </li></ul></ul>
  18. 19. OIF Optical Signaling Activities <ul><li>OIF UNI 2.0 Implementation Agreement in progress </li></ul><ul><ul><li>Adds MEF-based Ethernet UNI service interface </li></ul></ul><ul><ul><ul><li>Ethernet Private Line and Virtual Private Line </li></ul></ul></ul><ul><ul><ul><li>MEF traffic parameters (liaison with IETF CCAMP) </li></ul></ul></ul><ul><ul><ul><li>Ethernet Label formats (liaison with IETF CCAMP) </li></ul></ul></ul><ul><ul><li>Ethernet bandwidth modification </li></ul></ul><ul><ul><li>OTN and sub-STS-1 rate services </li></ul></ul><ul><li>OIF E-NNI Signaling 2.0 also in progress </li></ul><ul><ul><li>Ethernet support over VCAT SONET/SDH </li></ul></ul><ul><ul><li>Bandwidth modification using VCAT group resizing </li></ul></ul><ul><ul><li>Multilayer model derived from ASON work </li></ul></ul>
  19. 20. Ethernet Virtual Connection over VCAT <ul><li>added VCAT sublayer coordinates end-to-end VCAT group setup and teardown </li></ul>Domain C OIF UNI OIF E-NNI OIF UNI Domain A Domain B OIF E-NNI NE NE NE NE NE NE Ethernet Client Ethernet Client Ethernet Layer Call/Connection Flow VCAT Layer Call/Connection Flow UNI-N UNI-N UNI-C UNI-C Ethernet Ethernet SONET/SDH SONET/SDH Layer Call/Connection Flow
  20. 21. OIF Discovery Progress <ul><li>Prototyping work in progress </li></ul><ul><ul><li>Relies on ITU-T G.7714.1 Layer Adjacency Discovery specification </li></ul></ul><ul><ul><li>Exchange Discovery messages over J0 </li></ul></ul><ul><ul><li>Follow up with miswiring detection </li></ul></ul>Node B 2. J0: (Node B, Port 2) Neighbor Discovery Node A 1. J0: (Node A, Port 5) 3. Verify Wiring 4. Verify Wiring {B.2, A.5} {A.5, B.2} Link DB Link DB
  21. 22. OIF Security Work <ul><li>Security requirements </li></ul><ul><ul><li>Driven largely by input from US Dept. of Defense </li></ul></ul><ul><ul><li>For UNI, ENNI and Management interfaces </li></ul></ul><ul><ul><li>Application of IPSEC and IKE technology </li></ul></ul><ul><ul><li>Use of Syslog for event recording </li></ul></ul><ul><li>Documented in multiple IAs </li></ul><ul><ul><li>OIF-SEP-01.0, OIF-SEP-02.1, OIF-SMI-01.0 </li></ul></ul><ul><li>Working now with IETF MPLS/GMPLS security framework design team </li></ul>
  22. 23. Come to ECOC 2007!
  23. 24. Thank you! For more information on the OIF please visit