宽宽宽宽宽宽宽宽宽宽 多多多多多多多 MPLS 多多多多多 多多多多多多多多多多多多多 多多多多多 www.marconi.com Unpublished : Copyright Marconi Communications Limited All Rights Reserved M0000000 - ## 宽宽 宽宽宽 MPLS? 宽宽宽宽 MPLS? MPLS 宽宽 MPLS 宽宽 MPLS 宽宽宽宽 MPLS 宽宽宽宽宽宽宽宽宽宽 MPLS 宽宽宽 MPLS 宽宽宽宽宽宽 宽宽宽宽宽 MPLS 宽宽宽宽宽宽宽 Copyright Marconi Communications Limited All Rights Reserved 宽宽 宽宽宽 MPLS? 宽宽宽宽 MPLS? MPLS 宽宽 MPLS 宽宽 MPLS 宽宽宽宽 MPLS 宽宽宽宽宽宽宽宽宽宽 MPLS 宽宽宽 MPLS 宽宽宽宽宽宽 宽宽宽宽宽 MPLS 宽宽宽宽宽宽宽 Copyright Marconi Communications Limited All Rights Reserved 宽宽宽 MPLS? 宽宽宽宽宽宽宽宽 MultiProtocol Label Switching 宽宽宽 宽宽宽宽宽 switching 宽宽宽 routing 宽宽宽宽宽宽宽宽宽宽宽 宽 IP 宽宽宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽 Internet 宽宽 Copyright Marconi Communications Limited All Rights Reserved 宽宽宽 MPLS? IETF MPLS Working Group-1997 “No MPLS standards body yet” IETF MPLS Working Group 宽宽 多多多多多 多多多多多多 多多多多多多多 多多多多 - DiffServe MPLS Forum 宽宽 多多 MPLS 多多多多多多多多多多多多 多多 MPLS 多多多多 , 多多多多多多多多多 MPLS 多多 , 多多多 MPLS 多多多多多多多多多多多多多 Copyright Marconi Communications Limited All Rights Reserved 宽宽宽 MPLS? MPLS… 宽宽宽宽宽宽 ? + = ? Router LSR + = ATM Switch ATM LSR Copyright Marconi Communications Limited All Rights Reserved ATM Switch -> Core Switch OSPF IS-IS Connection-based Interfaces Increase Speed & Efficiency MPLS Connection Switching Fabric + Traffic Mgmt Add Protocol Interfaces PNNI Capacity Aware Routing Engine + Connection Control UNI PNNI UNI Protocol Interfaces Protocol Interfaces Capacity Aware Routing Engine + Connection Control Connection Switching Fabric + Traffic Mgmt Connection-based Interfaces Frame MPLS Cell Cell Copyright Marconi Communications Limited All Rights Reserved Router -> Core Switch Connectionless Interfaces New Fabric OSPF Switching Fabric IS-IS Enhance Routing Engine MPLS Next Hop Routing Engine PNNI UNI OSPF IS-IS Protocol Interfaces Add Protocol Interfaces Protocol Interfaces Capacity Aware Routing Engine + Connection Control Connection Switching Fabric + Traffic Mgmt Connection-based Interfaces Frame MPLS Cell LAN Frame PPP Cell Copyright Marconi Communications Limited All Rights Reserved 宽宽宽 MPLS? 宽宽宽宽宽“宽宽宽宽”宽 Ships In The Night 宽 SIN 宽宽宽宽宽 Thinks that it's a router …and an LSR! • If there's a label, behave as an LSR • If there's no label, behave as a router Copyright Marconi Communications Limited All Rights Reserved 宽宽宽 MPLS? ATM 宽宽宽宽宽“宽宽宽宽”宽宽宽宽 MPLS Circuit •Unlabeled- Router Acts as router •Labeled- LSR ATM Circuit Acts as ATM LSR •Seamless …or ATM Switch Copyright Marconi Communications Limited All Rights Reserved FT 7.0 宽宽宽 宽宽 / 宽宽 宽宽宽宽 ASX-4000 POS, Chameleon ASX-4000 Stratum Timing, SlyDog ASX-4000 OC-12c Port Card, Porcupine II ASX-4000 Redundancy, Polecat ASX-1000 Series D SONET APS ASX-1000 Series E Port Cards, Paris FramePlus Enhancements, Hermes ASX-4000 SCP2 Expanded Connection Space, Rook ASX/TNX 10/100 Ethernet Port Card, Bart 宽宽宽宽 宽宽 PBNM Support Cisco IOS Routing User Interface G.826 Statistics License Violation Detection AToM MIB Support FORE Traffic Engineering Port to IGPs Multi-Protocol Label Switching (MPLS) PPP Signaling Resource Reservation Protocol for Traffic Engineering Open Shortest Path First (OSPF) Border Gateway Protocol Version (BGP4) Intermediate System to Intermediate System (IS-IS) Packet Classification and Prioritization UBRw Support MGCP Interface for CEM Switching Module 宽宽宽 SSL Support SNMPv3 Support Access Control Lists Copyright Marconi Communications Limited All Rights Reserved FT 7.0 宽宽宽宽 IP Routing ( 宽宽 QoS, TE, TM 宽 CR) IGPs: OSPF, IS-IS BGP: I-BGP, E-BGP IP Signaling ( 宽宽 QoS, TE, TM 宽 CR) RSVP-TE MPLS IP QoS DiffServ classification QoS & TE LSPs Copyright Marconi Communications Limited All Rights Reserved Marconi/FORE 宽宽宽 Marconi/FORE 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽 宽宽 宽宽 宽宽宽宽宽宽宽宽宽 宽宽宽宽 宽宽宽宽宽 QoS 宽 Realised through S-PVCs 宽 ATM 宽宽宽宽宽宽宽宽宽宽宽宽 UNI PNNI ABR/CBR/VBR/UBR Copyright Marconi Communications Limited All Rights Reserved Marconi/FORE 宽 MPLS 宽宽宽 宽宽宽宽宽宽宽 ASX4000 宽宽宽宽宽宽宽宽宽 MPLS 宽宽宽宽 ATM 宽 POS 宽 DWDM 宽宽宽宽宽宽宽 IP 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 Marconi/FORE 宽宽宽宽宽宽宽 TE 宽 TM 宽 CR 宽 QoS 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 (COLL) 宽宽“宽宽宽宽”宽宽宽宽宽 Marconi/FORE 宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽 ATM 宽 IP 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 ATM 宽 MPLS 宽宽宽宽宽宽宽宽 宽宽宽宽 MPLS 宽宽宽宽宽宽宽宽宽宽宽宽 Marconi/FORE 宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 MPLS 宽宽宽宽宽宽宽宽宽宽宽宽 Copyright Marconi Communications Limited All Rights Reserved Marconi/FORE 宽 MPLS 宽宽宽 宽宽宽 ATM 宽宽 IP 宽 MPLS 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 VPN 宽宽 IP 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 IP 宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽宽宽宽宽 Copyright Marconi Communications Limited All Rights Reserved ATM vs MPLS MPLS 宽宽宽宽宽宽宽宽 ATM: ATM VP / VC Switching Field Routable Objects Virtual Circuits Designated Source Routing Transit List PNNI Signaling Path Setup MPLS Label Label Switched Paths (LSPs) Explicit Route Modified RSVP (replaces soft state with hard state la PNNI) 、、、 QoS 、、、 non-ATM LSR 、、、、、、、 ATM 、、、、、、 : Queuing Traffic Scheduling QoS Routing ATM MPLS Per-VC queuing Weighted per-VC scheduling PNNI routing Per-LSP queuing Weighted per-LSP scheduling To Be Determined Copyright Marconi Communications Limited All Rights Reserved IP / MPLS / ATM MPLS 宽 ATM 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽宽 ATM 宽宽宽宽宽宽 MPLS 宽宽宽宽宽宽宽宽 Internet 宽宽宽宽 ATM 宽 IP 宽宽宽宽宽 宽宽 : MPLS 宽 DiffServ Copyright Marconi Communications Limited All Rights Reserved RSVP-TE 宽宽宽宽 RSVP-TE RSVP-TE 宽 多多多多 Downstream 多多多多 On-Demand 多多多 Ordered CR-LDP Copyright Marconi Communications Limited All Rights Reserved CR-LDP vs RSVP-TE REMEMBER!!!! Currently there is no overwhelming technical advantage for either approach Marconi/FORE is taking a "protocol agnostic" stand on this issue Copyright Marconi Communications Limited All Rights Reserved UBRw Marconi / FORE 宽 UBR 宽宽宽宽宽宽 UBRw 宽宽宽 宽宽 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽 DiffServ 宽 802.1p 宽宽宽 UBRw 宽宽 宽宽宽宽宽宽宽 MPLS Copyright Marconi Communications Limited All Rights Reserved 宽宽宽宽宽 CAC 宽宽宽宽宽宽宽宽 : 宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽 ATMF PNNI 宽宽宽宽宽 ATMF PNNI 宽宽宽 CAC 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽 MPLS Copyright Marconi Communications Limited All Rights Reserved 宽宽宽宽宽 IP 宽宽 IP 宽宽宽宽 IP 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽宽 ATM overlay 宽宽宽 MPLS 宽宽宽宽宽宽宽宽 Internet Drafts 宽 OSPF (Curtis Villamizar) IS-IS (Curtis Villamizar and Tony Li) Copyright Marconi Communications Limited All Rights Reserved Marconi/FORE 宽宽宽 MPLS Flagship-ASX-4000 LSR 宽宽 40Gbps Switch 90 Million IP Packets/sec Tolly Group 宽宽宽 www.tolly.com 宽 宽宽宽 LSR 宽宽 宽宽 10 宽 IP pps w/ QoS Marconi/FORE 宽宽宽宽 ATM 宽宽宽宽 宽宽宽宽 宽宽宽 MPLS 宽宽 Copyright Marconi Communications Limited All Rights Reserved 宽宽 MPLS 宽宽宽 宽宽宽宽 宽宽宽宽宽宽宽宽 MPLS 宽 IP 宽宽宽宽宽宽宽宽宽宽宽宽宽 Marconi /FORE 宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽宽 宽宽 Marconi/FORE 宽宽宽宽宽宽宽 COLL 宽宽宽宽 Copyright Marconi Communications Limited All Rights Reserved 、、、、、、 www.ietf.org www.mplsforum.org www.Marconi.com www.fore.com ccss@ict.ac.cn Copyright Marconi Communications Limited All Rights Reserved ... 宽宽宽 MPLS? 宽宽宽宽 MPLS? MPLS 宽宽 MPLS 宽宽 MPLS 宽宽宽宽 MPLS 宽宽宽宽宽宽宽宽宽宽 MPLS 宽宽宽 MPLS 宽宽宽宽宽宽 宽宽宽宽宽 MPLS 宽宽宽宽宽宽宽 Copyright Marconi Communications Limited All Rights Reserved 宽宽 宽宽宽 MPLS? ... 宽宽宽 MPLS? 宽宽宽宽 MPLS? MPLS 宽宽 MPLS 宽宽 MPLS 宽宽宽宽 MPLS 宽宽宽宽宽宽宽宽宽宽 MPLS 宽宽宽 MPLS 宽宽宽宽宽宽 宽宽宽宽宽 MPLS 宽宽宽宽宽宽宽 Copyright Marconi Communications Limited All Rights Reserved 宽宽宽宽 MPLS? …... 宽宽宽宽宽宽宽宽宽宽宽宽 MPLS 宽宽 Copyright Marconi Communications Limited All Rights Reserved 宽宽 宽宽宽 MPLS? 宽宽宽宽 MPLS? MPLS 宽宽 MPLS 宽宽 MPLS 宽宽宽宽 MPLS 宽宽宽宽宽宽宽宽宽宽 MPLS 宽宽宽 MPLS 宽宽宽宽宽宽 宽宽宽宽宽 MPLS