Rick Gallahers MPLS Training Guide: Building Multi Protocol Label Switching Networks
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- Fast ReRoute (FRR)
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A protection plan in which a failure can be detected without a need for error notification or failure signaling. (Cisco)
- FEC
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Forward Equivalence Class; also, Functional Equivalent Class
- FWQ
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Fair-Weight Queuing
- GMPLS
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Generalized Multi-Protocol Label Switching
- GRE
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Generic Routing Encapsulation (RFC 1701)
- Hard State
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A link, path, or call that will stay alive until it is specifically shut down.
- Implicit Routing
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Routing that is not detailed but is implied, such as traditional IP routing.
- Independent Control
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A label-distribution method in which there is no designated label manager, and routers generate and distribute their own cross-connect tables.
- IntServ
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Integrated Service; allows traffic to be classified into three groups: guaranteed, controlled load, and best effort. IntServ works together with the RSVP protocol.
- IP
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Internet Protocol
- IS-IS
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Intermediate System to Intermediate System
- IS-IS-TE
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Intermediate System to Intermediate System with Traffic Engineering
- ISP
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Internet Service Provider
- Jitter
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Unpredictable variable in delay caused by congestion.
- L2TP
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Layer-2 Tunneling Protocol
- L2TPv3
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Layer-2 Tunneling Protocol, version 3
- L2VPN
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Layer-2 Virtual Private Network; L2VPN may support DLCI maps for Frame Relay or VPI mapping for ATM. It may also support Ethernet switching MAC tables.
- L3VPN
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Layer-3 Virtual Private Network is a VPN that uses routing tables.
- Latency
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Time that it takes a signal to move through a device.
- LDP
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Label Distribution Protocol
- LER
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Label Edge Router
- LIB
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Label Information Base
- Link Protection
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A backup method that replaces the entire link or path of a failure.
- LMP
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Link Management Protocol
- LSP
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Label Switch Path
- LSR
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Label Switch Router
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