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X.25 Last modified: Tuesday, May 01, 2001
A popular standard for packet-switching networks. The X.25 standard was approved by the CCITT (now the ITU) in 1976. It defines layers 1, 2, and 3 in the OSI Reference Model.
Pacific Bell's FasTrak X.25 Provides information about Pacific Bell's FasTrak X.25 service. X.25 packet switching Provides a good overview of X.25 packet switching. X.25 Protocol Overview A brief history of the X.25 protocol along with details on the physical, link, and packet levels.	Related Categories Networking Standards Related Terms CCITT cloud packet switching Shopping X 25 Products Compare Products,Prices and Stores Shop by Category: Office Supplies 3797 Store Offers Tools and Accessories 3703 Store Offers