| It establishes a virtual circuit. |
It establishes a datagram. |
| With this mode, the network cannot agree to handle packet independently. |
With this mode, the network agree to handle packet independently. |
| The reliability & convenience of a connection mode is more attractive than the benefits of connectionless mode. |
The reliability & convenience of a connection mode is less attractive than the benefits of connection oriented mode. |
| Maintain sequence to transfer data. |
Does not maintain sequence to transfer data. |
| x.75 standard used to interconnector x.25 packet switches network. |
Using IP, is dominant. |
| It provides some level of delivery guarantee. |
Does not provide. |
| It is used in things like file transfer. |
It is used in place like VOIP, video conference etc.. |
| It is reliable. |
Not reliable. |
| It is modeled after the telephone system. |
It is modeled after the postal system. |
| Service have more overhead than connection less services. |
Less overhead than connection oriented service. |
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