Plan for the New Telecommunication System in JMA RA II/ICM-GTS 2003 (Moscow, 8 to 10 September 2003) Item 3.5 By Hiroyuki Ichijo.

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Presentation transcript:

Plan for the New Telecommunication System in JMA RA II/ICM-GTS 2003 (Moscow, 8 to 10 September 2003) Item 3.5 By Hiroyuki Ichijo

Replaced by the new telecomunication system in 2005 (plan) 1. Scope of the New Telecommunication System

* Differentiation into between international and national functions * Two Hubs with mutual aid/backup 2. Concepts of the New Telecommunication System Plan NAPS Common Database International System Osaka (West Hub) National Network Terminals Kiyose (East Hub) Kiyose Current Sendai Sapporo International Functions National Functions NAPS Data Storage Central System Terminals Tokyo Osaka Fukuoka Okinawa Kiyose

East/West Hubs （ Server ） PC Terminals （ Clients ） Data Applications (JAVA) Request / Reply Web, Plan * Utilization of Internet technologies Local District Systems Terminals Messages Central System Data Applications Data Applications Data Applications Current Messages

* Three Layers to Two Layers * Duplicated networks using Two Providers‘ Ethernet-Type WAN services * Increasing speeds of access lines Current FR and/or Dedicated lines FR and/or Dedicated lines Actual speed: 128kbps Central System Local District Systems Observation Stations (Terminals) Actual speed: kbps Duplicated Ethernet-Type WAN Duplicated Ethernet-Type WAN Plan East Hub West Hub Local Districts and Observation Stations (Terminals) Access linelspeed: 100Mbps X2 1.5Mbps X2 or 3Mbps X2