1. IEEE Globecom ‘99 - 99/12/06 IP over Optics IEEE Globecom ‘99 - Panel Session Jeff Fitchett jfitch@nortelnetworks.com December 6, 1999

2. IEEE Globecom ‘99 - 99/12/06 - 1 Backbone Architecture Direction SONET Bandwidth management Protection/restoration Service interfaces  Smart Packet Bandwidth management Protection/restoration Service interfaces    IPIP ATMATM ATM IPIP FRFR TDMTDM Less layers, more functions.

3. IEEE Globecom ‘99 - 99/12/06 - 2 Intelligent Optics  Steering -> (service driven, optimized)  Routing ----> (auto, mesh)  Provisioning-> (semi-auto)  Patching ---> (manual) More agile Evolving rapidly to target functionality.

4. IEEE Globecom ‘99 - 99/12/06 - 3 Packet / Smart Optics Inter-working Coordinated Packet / Optical Control Optical Switch Router + Network Wide, Shared State Knowledge Enables required network functions and new applications. Router Control Optical Control DWDM ATM STS/STM IP Inter- working

5. IEEE Globecom ‘99 - 99/12/06 - 4 Edge-edge virtual paths AUTO discovery, configure, and reconfigure Electronic edge switch Multiple Wavelengths A B C D Large-Scale Edge-driven Network OS AGILE OPTICAL CORE OS May or may not be co-located Optical Switch E

6. IEEE Globecom ‘99 - 99/12/06 - 5 Evolution of Administrative Domains “Administrative Domain” Analogous to “autonomous system”, but incorporates all aspects of network administration and operation. Value can be extracted by the merging of administrative domains. Trend to Convergence of multi-layer admin domains Advantages: network efficiency, cost, operations, etc...

7. IEEE Globecom ‘99 - 99/12/06 - 6 Summary Collapsing layers, more functionality Intelligent Optics Packet / Optics Inter-working Convergence of Admin Domains IP over (ATM, SONET, WDM)? Packet over Intelligent Optics.

8. IEEE Globecom ‘99 - 99/12/06 Backup IP over Optics IEEE Globecom ‘99 - Panel Session

9. IEEE Globecom ‘99 - 99/12/06 - 8 Solution Attributes Peta-Bits of capacity Edge-driven —automated engineering —near buffer-less core Exploits optical technology —fiber optics —DWDM Cost Effective —bypass expensive bandwidth The Internet will require novel approaches that fully leverage emerging technology. Future networks will need to have these attributes.

10. IEEE Globecom ‘99 - 99/12/06 - 9 Canada’s Research Optical Internet GigaPOP Vancouver Ottawa Montreal Toronto Regional Advanced Networks BCnet Netera SRnet MRnet ONet RISQ ACORN Chicago CA*net 3 Primary Route Seattle New YorkLos Angeles CA*net 3 Diverse Route STAR TAP European Networks Asian Networks US & Intl Early adopter Multi-vendor Applications

11. IEEE Globecom ‘99 - 99/12/06 - 10 Evolution of Administrative Domains Value can be extracted by the merging of administrative domains. RouterSmart Optics partitionsSmart Optics Router Centric (Today) Autonomous System smarts limited, point-point, hidden Smart Optics (Emerging) admin domain separate from router admin domain Fully Integrated (Future) Other services