Data and Computer Communications (Eighth Edition)

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CHAPTER297CIRCUITSWITCHING Communications Reading and Web Terms, Review Questions, and Problems10He got into a District Line train at Wimbledon Park, changed on to the Victoria Line atVictoria and on to the Jubilee Line at Green Park for West Hampstead. It was a longand awkward journey but he enjoyed it. King Solomon s Carpet, Barbara Vine (Ruth Rendell)KEY POINTS Circuit switching is used in public telephone networks and is the basisfor private networks built on leased lines and using on-site switching was developed to handle voice traffic butcan also handle digital data , although this latter use is often inefficient. With circuit switching, a dedicated path is established between twostations for communication .

10.1 / SWITCHED COMMUNICATIONS NETWORKS 299 1We use this term here in a very general sense,to include voice,image,and video,as well as ordinary data …

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