+y Chapter 3 Network Architetures and standarts ITU (The International Telecommunication Union) 1865 in the u s was established in paris 1947 as part of the United Nations, members from 188 countries, headquartered in geneva, Switzerland The most important telecommunications standards setting organization in the world is the TU ITU-t has created two sets of standards for the electrical connection of terminals to communications networks network Management and operation www.gxmu.edu.cn
Network Management and Operation www.gxmu.edu.cn ITU (The International Telecommunication Union) 1865 in the U S was established in Paris, 1947 as part of the United Nations, members from 188 countries, headquartered in Geneva, Switzerland. The most important telecommunications standardssetting organization in the world is the ITU . ITU-T has created two sets of standards for the electrical connection of terminals to communications networks. Chapter 3 Network Architetures and Standarts
Chapter 3 Network Architetures and standarts SO: International Standards organization Dont confuse the osi with so and los ISo means the international organization for standardization lOS: (internet operation system) is used in Cisco system's routers and switches network Management and operation www.gxmu.edu.cn
Network Management and Operation www.gxmu.edu.cn ISO:International Standards Organization Don’t confuse the OSI with ISO and IOS,. ISO :means the international organization for standardization. IOS :(internet operation system) is used in CISCO system’s routers and switches. Chapter 3 Network Architetures and Standarts
Chapter 3 Network Architetures and standarts Figure of the organizations involved in setting telecommunications standards or in passing input to the standards-setting bodies MaIn tal not weD standardm openization d lionel Tofecomnunioatione Unior Telephone and data communication International Organzation for Standardization (Iso) mates wnh the ITu ype Intornot Enoinoorino Task Foreo (ETF) tandardn or now tho Internet http://wwwiotf.oro Unied states? Ae行 al Standards Intitute Datn comminications in p nnp:/www as,on Llectrioel Induetnes Ansacinton (IA) tacan, connecton, media. tanin npy/www oin.oro ENTNeuC Natonal Institute of Standards and 台 tandard of nll ryo htp://www.nistoov ntional t arhanoe corriere ARboniaton Darth ameriean WAN ntar线椭 dor Forez n to the Computer and data comntaneation hattp/www.aema.eh pwww.etslord Corperation for Open systems (cos) he uss of euipment that me The American National Standards Institute(ANSI) is not involved in setting communications standards The official TC P/P model is now maintained by the ietF All communications standards are developed by one organization, the ISoF network Management and operation www.gxmu.edu.cn
Network Management and Operation www.gxmu.edu.cn Figure of the organizations involved in setting telecommunications standards or in passing input to the standards-setting bodies. The American National Standards Institute (ANSI) is not involved in setting communications standards. The official TCP/IP model is now maintained by the IETF. All communications standards are developed by one organization, the ISO.F Chapter 3 Network Architetures and Standarts
Chapter 3 Network 33Architetures and Standarts 3.6V STANDARD X STANDARD The tu-t has created two sets of standards for the electrical connection of terminals to communications networks They are called the V. and X standards network Management and operation www.gxmu.edu.cn
Network Management and Operation www.gxmu.edu.cn 3.6Ｖ.STANDARD X.STANDARD The ITU-T has created two sets of standards for the electrical connection of terminals to communications networks. They are called the V. and X. standards Chapter 3 Network Architetures and Standarts
Chapter 3 Network Architeture and standarts V, standards define the connection of digital equipment to the PSTN s analog lines V.32, V.33, V42 standard for the use of telephone transmission of data made a clear statement X standards Define the connection of digital equipment to digital lines EGX25,X400.X.500 network Management and operation www.gxmu.edu.cn
Network Management and Operation www.gxmu.edu.cn V.standards : define the connection of digital equipment to the PSTN`s analog lines V.32, V.33, V.42 standard for the use of telephone transmission of data made a clear statement . X.standards: Define the connection of digital equipment to digital lines. E.G X.25, X.400, X.500 Chapter 3 Network Architetures and Standarts