December 2019
Beginner
510 pages
12h 7m
English
Content preview from Networking Fundamentals
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X.25 packet switching
While X.25 packet switching is one of the oldest packet-switching technologies, it is still in use today even though frame relay is available. Through the use of X.25 technology, an organization can take advantage of a 64 Kb WAN connection that is called up whenever there is data to be transmitted. X.25 provides an end-to-end connection that is digital throughout, thus removing the requirement to convert data from digital to analog and back again. While all data being transmitted across any network will have some form of management overhead included in the transmission, X.25 has a greatly reduced overhead compared to that used in circuit switching. This leads to more efficient use of available bandwidth.
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