Hi.. Assume that I have several routers attached to a "FR Cloud" and they are already communicating with each other. Now, one of you (who reads this subject) wants to build up a new connection between one of his routers and mine. Since there is a common network between us, each router attached to that cloud has to have a unique identifier. Using this identifier, anybody should be able to set-up a PVC or a SVC to another persons router (if he is granted,of course) anytime. Now , here is (are) the question(s).***** I have not seen such an identifier during the configuration of FR circuits *****. Don't tell me that DLCI is the identifier, because it has no global significance, but just a local parameter. In this case, how is a FR packet switched inside this common FR cloud.? Don't we have to worry about configuring PVC s, because this is (is it really) done by Telco?. If so, how do we set up SVCs then? What kind of a header does a FR packet have. How does a FR switch tell my packet from those of others.? I would very much appreciate your enlightment . Just give me a clue, no details needed. Thanks in advance.
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