Challenges in Topology Exchange for Emerging Network Services
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1 Challenges in Topology Exchange for Emerging Network Services Jeroen van der Ham(UvA) Jerry Sobieski (NORDUnet) Freek Dijkstra (SARA) Tom Lehman (USC/ISI) Inder Monga (ESnet)
2 Network Resources
3 Network Provisioning
4 ? Network Provisioning
5 Network Descriptions To provide an overview of resources Make path discovery easier Do simple problem detection
6 Automated GOLE
7 Automated GOLE
8 Enhanced Visualization Takatoshi Ikeda (KDDI)
9 Topology Distribution Models Direct communication between domains Peer-to-Peer exchange Hierarchical Tree Path Vector Protocols
10 Topology Distribution Models Direct communication between domains Peer-to-Peer exchange Hierarchical Tree Path Vector Protocols
11 Pathfinding Scalability Inter- and Intranets is performed by the Network Element result must be available near-instant all the time Circuit Networks is performed out offline request is done once before each circuit-setup
12 Topology Aggregation
13 Pathfinding Complexity Université du Quebec CA Net Canada Universiteit van StarLight Chicago MAN LAN New York NetherLight Ref: Freek Dijkstra (SARA)
14 Disclaimer: Historical Example Pathfinding Complexity Université du Quebec CA Net Canada Universiteit van StarLight Chicago MAN LAN New York NetherLight Ref: Freek Dijkstra (SARA)
15 Disclaimer: Historical Example Pathfinding Complexity Université du Quebec Gigabit Ethernet CA Net Canada Universiteit van OC-192 2x OC-192 GE StarLight Chicago OC-192 MAN LAN New York 2x OC-192 NetherLight Ref: Freek Dijkstra (SARA)
16 Disclaimer: Historical Example Pathfinding Complexity Université du Quebec Gigabit Ethernet can adapt GE in STS-24c CA Net Canada Universiteit van OC-192 2x OC-192 GE StarLight Chicago can adapt GE in STS-24c or STS-3c-7v OC-192 MAN LAN New York 2x OC-192 NetherLight can adapt GE in STS-3c-7v Ref: Freek Dijkstra (SARA)
17 Disclaimer: Historical Example Pathfinding Complexity Université du Quebec Gigabit Ethernet can adapt GE in STS-24c CA Net Canada Universiteit van OC-192 (22 free) 2x OC-192 (87 free) GE StarLight Chicago can adapt GE in STS-24c or STS-3c-7v OC-192 (38 free) MAN LAN New York 2x OC-192 (63 free) NetherLight can adapt GE in STS-3c-7v Ref: Freek Dijkstra (SARA)
18 Disclaimer: Historical Example Pathfinding Complexity Université du Quebec Gigabit Ethernet can adapt GE in STS-24c CA Net Canada Universiteit van OC-192 (22 free) 2x OC-192 (87 free) GE StarLight Chicago can adapt GE in STS-24c or STS-3c-7v OC-192 (38 free) MAN LAN New York 2x OC-192 (63 free) NetherLight can adapt GE in STS-3c-7v Ref: Freek Dijkstra (SARA)
19 Université du Quebec Gigabit Ethernet can adapt GE in STS-24c CA Net Canada Universiteit van OC-192 (22 free) 2x OC-192 (87 free) GE StarLight Chicago can adapt GE in STS-24c or STS-3c-7v OC-192 (38 free) MAN LAN New York 2x OC-192 (63 free) NetherLight can adapt GE in STS-3c-7v
20 Université du Quebec Gigabit Ethernet can adapt GE in STS-24c CA Net Canada Universiteit van OC-192 (22 free) 2x OC-192 (87 free) GE StarLight Chicago can adapt GE in STS-24c or STS-3c-7v OC-192 (38 free) MAN LAN New York 2x OC-192 (63 free) NetherLight can adapt GE in STS-3c-7v
21 Université du Quebec Gigabit Ethernet can adapt GE in STS-24c CA Net Canada Universiteit van OC-192 (22 free) 2x OC-192 (87 free) GE StarLight Chicago can adapt GE in STS-24c or STS-3c-7v OC-192 (38 free) MAN LAN New York 2x OC-192 (63 free) NetherLight can adapt GE in STS-3c-7v
22 Pathfinding Complexity Multiple Constraints Path Constraints Pathfinding in Multi-Layer networks is NP Complete Solutions: Hope for the best Heuristic Algorithms
23 Open Issues
24 Security? Open Issues
25 Open Issues Security? Trust?
26 Open Issues Security? Trust? Update frequency?
27 Open Issues Security? Trust? Update frequency? Virtualization?
28
29 Enhanced Understanding Takatoshi Ikeda (KDDI)
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