2010年8月25日 星期三

MPLS tutorial

* MPLS can leverage the infrastructure of ATM network
* Use label substitution technology to route the packet from source to the destination
* The signaling method of ATM is complex. The MPLS method simplify the signaling method of ATM to IP-based request/response control protocol. Include
- UDP-Hello/UDP-Hello
- TCP-open/Initialization(s)
- Label request/Label mapping

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