, MPLS LSP LDP.
UDP LSR (adjacency) LDP. , LDP LSR, . . , LDP . . , , (keepalive message).
7.9. LDP |
, LDP (. 7.9). , LSP .
A MPLS , ( OSPF).
B LSR LDP.
( ) LSR 2 , LSR , IP- 193.233.48.0. LSR 2 FEC , , 18. , LDP LSR (LSR 1) , , 193.233.48, 18. LSR 1 .
D LSR 1, , 193.233.48, FEC (LSR 0) . LSR 0 . 193.233.48.0, .. LSP.
FEC , , . FEC: (host address) (address prefix). FEC, . LSR 0 , , ( 193.233.48), 33, 2.
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7.4.7 MPLS
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BGP (Border Gateway Protocol) . . CBWFQ (Class Based WFQ) WFQ, . FEC (Forwarding Equivalence Class) . , MPLS LSP, . IETF (Internet Engineering Task Force) Internet. , Internet. IS-IS (Intermediate System-to-Intermediate System) . . LDP (Label Distribution Protocol) FEC. LSP (Label Switching Path) . LSR (Label Switching Router) MPLS, . MPLS (MultiProtocol Label Switching) . OSPF (Open Shortest Path First) . . QoS (Quality of Service) . , . RSVP (Resource Reservation Protocol) IP-. VCI (Virtual Circuit Identifier) . VPI/VCI - () .VPI (Virtual Path Identifier) . VCI . WFQ (Weighted Fair Queing) . , .WRED (Weighted Random Early Detection) . , . http://athena.vvsu.ru/docs/tcpip/mpls/ |
:
- "Multiprotocol Label Switching Architecture" (RFC3031)
- ."LDP Specification" RFC 3036."MPLS Label Stack Encoding" (RFC3032)
- TiMetra Networks, "VPLS SIGNALING: LDP OR BGP?"
- "Framework for Layer 2 Virtual Private Networks (L2VPNs)" (draft-ietf-l2vpn-l2-framework)
- "Virtual Private LAN Service" (draft-ietf-l2vpn-vpls-bgp)
- ." Virtual Private LAN Services over MPLS " (draft-ietf-l2vpn-vpls-ldp)
- "BGP/MPLS IP VPNs" (draft-ietf-l3vpn-rfc2547bis)