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・ Gujarat Sabha
・ Gujarat Sahitya Sabha
・ Gujarat Samachar
・ Gujarat Sampark Kranti Express
・ Gujarat Science City
・ Gujarat Secondary and Higher Secondary Education Board
・ Gujarat Solar Park
・ Gujarat State Electricity Corporation Limited
・ Gujarat State Energy Generation
・ Gujarat State Fertilizers and Chemicals
・ Gujarat State Financial Corporation
・ Gujarat State Football Association
・ Gujarat State Handloom and Handicrafts Development Corporation Ltd
・ Gujarat State Petroleum Corporation
・ Gujarat State Road Transport Corporation
Gujarat State Wide Area Network
・ Gujarat Sultanate
・ Gujarat Tea Processors & Packers Ltd
・ Gujarat Technological University
・ Gujarat The Making of a Tragedy
・ Gujarat Today
・ Gujarat University
・ Gujarat Urja Vikas Nigam
・ Gujarat Vidhya Sabha
・ Gujarat Vidyapith
・ Gujarati
・ Gujarati (Unicode block)
・ Gujarati alphabet
・ Gujarati Braille
・ Gujarati cinema


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Gujarat State Wide Area Network : ウィキペディア英語版
Gujarat State Wide Area Network

Gujarat State Wide Area Network (GSWAN) is an end-to-end IP based network designed for the service convergence (Voice, video and Data) on a single backbone, for the state Government of Gujarat, India. The GSWAN was implemented in the year 2001-02.〔(Gujarat Informatics Limited )〕
GSWAN is based on open standards, is scalable and has high capacity Network to carry Voice, Data and Video traffic between designated Government of Gujarat offices at State, District and Taluka levels via a dedicated E1 leased line.The connectivity to end-user is based on standard leased circuits dial-up circuits or using Ethernet ports as appropriate for the individual offices. Single point Gateway with adequate capacity for Internet and provision for connecting other existing Networks have also been set up.〔(TCIL, Govt of India )〕
*First tier
Secretariat Center at state capital, Gandhinagar. Various departments and hundreds of subordinate offices located at the state capital are connected to SC horizontally through SCAN (Secretariat Campus Area Network). SCAN had about 7000 Ethernet I/O’s at Gandhinagar and all these I/Os are interconnected with GSWAN for information exchange. 300 GSWAN phone connections provided to various offices at Secretariat for direct voice communication to any GSWAN node in the state.
*Second Tier
Constitutes District Centers, located at district collector’s office and multiple district level other offices connected with DC horizontally. All the 24 districts, except Gandhinagar, are connected on 2 Mbit/s (E1) leased lines with the Secretariat Center. The dialup access is given to all those Government offices in district, Taluka, that are not considered for direct integration on Ethernet / leased / OFC / Wireless.
*Third Tier
Constitutes Talukas Centers, located at Taluka Mamlatdar’s office and Taluka Development Office provision are kept for connecting Taluka level other offices horizontally. All 225 Talukas are connected to District Centers. (211 on 64 Kb leased lines, and rest of 14 Talukas on Ethernet).〔
==References==

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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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