MPLS Introduction. Multi-Protocol Label Switching Presented by: Yun Teng Dept. of Computer Science, UMBC. MPLS Introduction. Motivation MPLS Basics Components and Protocols Operation Protocol Stack Architecture Advantages and Disadvantages. Motivation. IP
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Multi-Protocol Label Switching
Presented by: Yun Teng
Dept. of Computer Science, UMBC
… but there are disadvantages
- e.g. no QoS
- At least 20 bytes
- Slower than Switching
- Do not take into account additional metrics
- Supports QoS
… but there are also disadvantages
Each LSR independently selects the next hop for a given FEC. LSRs support any available routing protocols (OSPF, ATM …).
Is similar to source routing. The ingress LSR specifies the list of nodes through which the packet traverses.
Q & A