Comments
Your virtual circuits can be either permanent or switched. A permanent virtual circuit (PVC) is always connected and, once up, operates very much like a leased line. A switched virtual circuit (SVC) is established only when it is needed. Of these two, PVCs are much more common.
Posted by thomas
en.wikipedia.org/wiki/Virtual_circuits
Posted by crouse
Its a good link follow it www.en.wikipedia.org/wiki/Virtual_circuits
Posted by HamidAliKhan
Please visit:
en.wikipedia.org/wiki/Virtual_circuits
Posted by sagitraz
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