TWAREN Update Shu-Cheng Lin NCHC, Taiwan

2 Outline  New TWAREN International connections - TAIWANLight  TWAREN Optical Network Lab  TWAREN LightPath Control System  System Demo

3 TWAREN International Connections  Provide broadband International peering around the world  We acquire X-Pacific wavelength circuits, which enable the flexibility to create LightPaths  Protection by architecture  Circuit break  Node break

4 TAIWANLight Topology

5 LightPath Logical Topology

6 New International Connections  Lease duration will end in Jan 2008  Add one link from NY to LA  IP transit service

7 NCU TP TN-15600TC HC HC TN NCHU-15454CCU-15454NCKU-15454NCSYSU ASCC NIU NDHU NTU-15454NCTU NTHU TP TWAREN Optical Network Palo Alto Chicago LA NY TAIWANLightTAIWANLight Combined TWAREN/TAIWANLight Lambda Testbed

8 IEEAF OC-12 Link  No directly link to Europe  IEETF donate a OC-12 Link from New York to Amsterdam  Convert from SONET to SDH

9 TWAREN Optical Network Lab  Integrated DWDM/Next-Gen SDH/IP laboratory  Deployment completed in early Feb.  Research Projects:  Management /support by NSC  SLA collaborate with NCU  QoS collaborate with NTHU  UCLPv2 collaborate with CRC in Canada  Scheduling System 

10 Physical Laboratory Allocation

11 Lab Network Topology MSTP/MSPP A (2 shelves) MSTP/MSPP B (1 shelf) MSTP/MSPP C (1 shelf) Dark fiber STM-64 GE 7609 B 7609 A 7609 C

12 TWAREN LightPath Control System  A web-based control and resource management system  Platform : Linux  Tools : PHP+ Shell script+TL1 Toolkit  Test environment : TWAREN optical network lab

13 Steps to Create a LightPath TL1 Tool-kit TL1-Command ServerDataBase 1. Use TL1-toolkit to query real-time status 2. Check if path is supported 3. Check if bandwidth is supported 4. Execute the SPF algorism to find the best path 5. Setup the connection between devices 6. Synchronize the database

14 Thank You ! For more information, please see : optlab1.twaren.net/optlabEN/