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STATUS OF IMPLEMENTATION AT RTH BEIJING

STATUS OF IMPLEMENTATION AT RTH BEIJING. SHI Peiliang, China 2003.9. 1. Current status of the GTS links at RTH Beijing. Moscow. Offenbach. Tokyo. Frame Relay CIR 48/48K. Frame Relay CIR 32/32K. 7.2-28.8K (V.34). Seoul. Khabarovsk. 7.2-28.8K (V.34). Frame Relay CIR 32/32K.

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STATUS OF IMPLEMENTATION AT RTH BEIJING

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  1. STATUS OF IMPLEMENTATION ATRTH BEIJING SHI Peiliang, China 2003.9

  2. 1. Current status of the GTS links at RTH Beijing

  3. Moscow Offenbach Tokyo Frame Relay CIR 48/48K Frame Relay CIR 32/32K 7.2-28.8K (V.34) Seoul Khabarovsk 7.2-28.8K (V.34) Frame Relay CIR 32/32K Bangkok Ulan Batar Beijing 75 baud 9.6K 75 baud 9.6K Pyongyang New Delhi 75 baud 128K 64K Hanoi Macao Hong Kong IP link 1. Current status of the GTS links at RTH Beijing

  4. 2. GTS system at RTH Beijing • Front End for IP connections • AlphaServer ES40 • Duplicated system • UNIX RMDCN Routers Cisco 2620 (HSRP) IP over FR Offenbach Cisco PIX Firewall GTS Router Cisco 3640 IP over FR Tokyo Seoul • Back End • AlphaServer 1000 • Duplicated system • VMS Moscow Bangkok • Front End for Non IP connections • MIRA (4) • VMS X.25 circuits New Delhi Hanoi Asynchronous circuits Pyongyang MSS Ulan Bator Current GTS system at RTH Beijing

  5. 2. GTS system at RTH Beijing • Current GTS system at RTH Beijing • The back end hosts and the facilities for non IP connections started operation in 1992, partially upgraded in 1997, and will be replaced by new facilities early next year. • The facilities for IP connections started operation in December 2001.

  6. 2. GTS system at RTH Beijing DMZ Web Server Internet Cisco PIX Firewall RMDCN Routers Cisco 2620 (HSRP) IP over FR Offenbach • Back End • Duplicated system • UNIX based Cisco PIX Firewall GTS Router Cisco 3640 IP over FR Tokyo Seoul Moscow • Front End • AlphaServer ES40 • Duplicated system • UNIX Bangkok X.25 circuits Router New Delhi Asynchronous circuits Hanoi Pyongyang MSS Ulan Bator New GTS system at RTH Beijing

  7. 2. GTS system at RTH Beijing • New GTS system at RTH Beijing • X.25 circuits and asynchronous circuits connect to the new system via a multiprotocol router. • Computer systems • The front end and the back end are two separate systems. • Each system is a duplicated system. • UNIX based • Application Software • Front end • collecting and transmitting data via GTS links. • Supporting FTP, TCP sockets, X.25, Asynchronous • Back end • Checking, switching data • Packaging messages and files • Distributing data to the other internal operational systems, such as real-time database. • Operational monitor system • monitoring and managing the application system • C/S based software • running on Linux based PCs • Internet Web Server • Located in the DMZ of CMA’s Internet system • providing read-time observations and CMA’s products to national and international users • collecting meteorological data from other GTS centers by FTP and E-mail via Internet • The new system will start operation in January 2004.

  8. 3. Daily Traffic on the GTS links at RTH Beijing Beijing-Offenbach link Offenbach to Beijing Beijing to Offenbach

  9. 3. Daily Traffic on the GTS links at RTH Beijing Beijing-Tokyo link Tokyo to Beijing Beijing to Tokyo

  10. 3. Daily Traffic on the GTS links at RTH Beijing Beijing-Seoul link Seoul to Beijing Beijing to Seoul

  11. 3. Daily Traffic on the GTS links at RTH Beijing Beijing-Moscow link Moscow to Beijing Beijing to Moscow

  12. 3. Daily Traffic on the GTS links at RTH Beijing Beijing- Khabarovsk link Khabarovsk to Beijing Beijing to Khabarovsk

  13. 3. Daily Traffic on the GTS links at RTH Beijing Beijing- Bangkok link Bangkok to Beijing Beijing to Bangkok

  14. 3. Daily Traffic on the GTS links at RTH Beijing Beijing-New Delhi link New Delhi to Beijing Beijing to New Delhi

  15. 3. Daily Traffic on the GTS links at RTH Beijing Beijing-Hanoi link Hanoi to Beijing Beijing to Hanoi

  16. 3. Daily Traffic on the GTS links at RTH Beijing Beijing-Pyongyang link Pyongyang to Beijing Beijing to Pyongyang

  17. 3. Daily Traffic on the GTS links at RTH Beijing Beijing-Ulan Bator link Ulan Bator to Beijing Beijing to Ulan Bator

  18. 4. PCVSAT System • CMA’s VSAT-based distribution system • Communication Satellite: AsiaSat 2 • Area coverage: China, and South/East Asia • Data rate: 2Mbps • Supporting 256 logical channels • Over 2200 remotes installed in China and some NMCs of neighboring countries. • Pyongyang, May 2000 • Ulan Bator, October 2001 • Hanoi, August 2003 • Via PCVSAT, Pyongyang, Ulan Bator, Hanoi can receive GTS data and RSMC Beijing products.

  19. 4. PCVSAT System Daily broadcasting traffic on the channel to Hanoi

  20. 4. PCVSAT System Daily broadcasting traffic on the channel to Pyongyang

  21. 4. PCVSAT System Daily broadcasting traffic on the channel to Ulan Bator

  22. 5. Outage of the GTS links at RHT Beijing in 2003

  23. Thank you !

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