1. March 20071ASNet – Academic Services Network The Design of ASnet and the support to Grid Yu-lin CHANG @ Academia Sinica International Symposium on Grid Computing March 29, 2007

2. March 20072ASNet – Academic Services Network Introduction on ASnet ● ASnet – Academic Services Network ● Provides high-performance and high-availability network connectivity for research and education, as well as generic Internet activities ● Focuses on International links and IX (TaipeiGigaPoP). ● Closely collaborates with domestic RENs, such as TAnet and TWAREN. ● As evolution of technologies, network matrix is now part of Grid infrastructure to bring pieces to be one.

3. March 20073ASNet – Academic Services Network Current ASnet PoPs Taiwan Taiwan – Taipei, Academia Sinica – Taipei, Tech Building – Taipei, National Taiwan University (48-pairs dark fiber rings) Japan Japan – Tokyo, KDDI Building Singapore Singapore – SingAREN GIX Building Hong Kong Hong Kong – Chai-wan, Mega- iAdvantage Building Netherlands Netherlands – Amsterdam, SARA U.S.A. U.S.A. – Palo Alto, PAIX Building – Chicago, StarLight

4. March 20074ASNet – Academic Services Network Current Taiwan High-speed Research Links

5. March 20075ASNet – Academic Services Network Current ASnet Links (incl. Grid)

6. March 20076ASNet – Academic Services Network T0-T1-T2 Support for LCG

7. March 20077ASNet – Academic Services Network Coming ASnet Links (incl. Grid)

8. March 20078ASNet – Academic Services Network ASnet mid-term design (int’l)

9. March 20079ASNet – Academic Services Network Highlighted Service for Grid ● Partner-controlled routing – Kind of BGP tagging mechanism ● 9264:61100 request ASnet *LESS* prefers this route ● 9264:61200 request ASnet *MORE* prefers this route – example ASnet R1 R2 Partner def path tag bgp routes with 9264:61200 path changes

10. March 200710ASNet – Academic Services Network Highlighted Service for Grid ● Private Circuit – Utilizing MPLS Layer-2 technique – Separated from other customers ● Keep privacy ● Prevent routing information influences – Protected by the ASnet MPLS platform ● Redundancy by internal Layer-3 multi-path ● Recovery by Fast-ReRoute (FRR) – Economics on device ● Grid sites use pure Ethernet IP devices for connecting to ASnet

11. March 200711ASNet – Academic Services Network Comments and Questions?