For example, leased line or connection when the phone, including contact, for example, may be a bunch of copy such as phone-yo na digital networks, such as ISDN, or so the advantage is with the communication speed rate constant is. At any time, because it is not possible to split the channels with others, but the bad point is that there must be the same for every connection. Point of contact. 1.) when A station. Want to send information to the B station. The path must be created first. Where the information will have to answer that with news (Establishment/Connection). 2) when creating a neat transmission routes. Throughout the time of communication to use the original route along the. And there are no other people have used the path. 3) has the same transmission speed of transmission and the. 4) Error Control and Flow is marked every community Control wires. 5) while the data transmission will be sent by a constant speed and without delay (Delay). 6) when sending data to cancel a route that connected to another machine to use.
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