Ethernet Internet 20

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Janog11 2003 1 23 Miya Kohno (mkohno@cisco.

2 Ethernet Internet 20 (Janog10) Ethernet ( ) 2

3 (1) Ether CSMA/CD ( ) (Exponential Backoff) cf. sdlc polling-selecting Token ring, FDDI DPT/RPR 3

4 (2) L2 Switch Remote Bridge Video Conference! vlan ( ) 4

5 Gateway ( ) ( ) (TTL) LAN Bridging over Leased Line : SRB->DLSw, Appletalk -> AURP, IPX->NSLP Bridging over ATM : LAN Emulation over ATM (LANE) : 5

6 IP (Netbeui IPX, Appletalk)! OSPF Multipoint Connectivity QoS!! 6

7 Loop STP RIP (from L3 ) SLA(*) (*) High Availability, Performance(Delay/Jitter), QoS, Service Level Agreement Traffic Engineering from from 7

8 (1) UNI Control Signal Control Signal BPDU Link Aggregation.1x authentication mechanism UNI (= ) vlan Translate Stack MAC Translate Stack 8

9 (2) VLAN id(4k) translate MAC table entry IEEE802 (ping,traceroute LMI) 9

10 H-VPLS (IETF PPVPN) EoE (Janog10!) IPLS (IETF PPVPN) Pseudo Wire (IETF PWE3) 10

11 H-VPLS Control Plane: Directed LDP or QinQ Directed LDP Directed LDP or QinQ CE L3 Core PE-CLE (MTU-s) PE POP (PE-rs) PE POP (PE-rs) CE PE-CLE (MTU-s) Data Plane: MPLS or QinQ MPLS MPLS or QinQ Ether Pkt L2 Hdr Ether Pkt MPLS L2 Hdr Ether Pkt L2 Hdr Ether Pkt Ether Pkt draft-lasserre-vkompella-ppvpn-vpls 11

12 H-VPLS L3 Core stability Multiservice PE-PE full mesh Pseudo Wire (MPLS or L2TPv3) VC Full mesh ATM-LANE (LES, LECS, BUS) Split Horizon Emulated vlan over IP/MPLS MAC learning (distributed-pe) Full Mesh VC VC vlan ID (vlan id rewrite) L2 island L3 core IEEE

13 H-VPLS L3 Core Multicast/Broadcast/Unknown unicast (*) (*) PW mgre (-> draft-sajassi-mvpls) distributed PE PE-rs/MTU-s MPLS(LDP) MTU-s MPLS.1q LAN switch Full Bridge Emulation Bridging ( ) 13

14 EoE (Ethernet Over Ethernet) Edge-sw Transparent LAN Service EoE Domain CoreSwitch Edge-sw MAC:10 MAC:20 EoEMAC:a EoEMAC:b DA1 SA1 Tag1 DATA DEoE SEoE Tag2 DA1 SA1 Tag1 DATA DA1 SA1 Tag1 DATA Sales DATA b a -corp Sales DATA Sales DATA EoEMAC:a EoEMAC:b : 14

15 EoE MAC MAC MAC MAC bitmask TTL VPN-id field EoE IETF PPVPN draft VHLS(draft-sodderppvpn-vhls) (MAC-in-MAC, VPN-id) 15

16 EoE EoE MAC CE 7 ~8 EoE MAC VPLS/IETF MAC MAC MAC address Translation/IEEE EoE High end Spec MAC ( ) MAC VPN-id 4k vpn Forwarding Plane VPN-id 16

17 IPLS control plane [3] Ingress PE CE ARP Proxy ARP MAC addr/vc label Pseudo Wire [1] Egress PE CE IP addr/mac addr [2] Egress PE CE VC Label Binding Ingress PE VC IP addr/mac addr advertise VC Label/MAC addr 17

18 IPLS forwarding plane [1] Ingress PE MAC addr VC Label Labeled Packet Pseudo Wire [2] Egress PE Label MAC addr Ethernet Packet 18

19 IPLS Full Bridge Emulation 7~8 CE L3 device OSPF Multipoint Connectivity Scalability,, 19

20 IPLS Dataplane MAC MAC IPLS Full Bridge Emulation CE Egress PE recursive lookup(label resolution -> MAC resolution) MAC source MAC lookup Distributed PE (scalability ) H-VPLS PE-rs/MTU-s 20

21 IPLS Just idea CE L3 VPLS IPLS -- 1) -- 2) OSPF -- 3) Multipoint Connectivity -- 4) 1) 4) L3 VPN! 21

22 Pseudo Wire vlan100 Emulated VC Lvc Attachment VC Emulated VC Tunnel Lvc vlan200 Attachment VC Ethernet vlan -> VC mapping Ethernet port -> VC mapping 22

23 Pseudo Wire QoS.1p -> mpls exp copying/mapping Traffic Engineering VC TE LSP IGP Fast Convergence MPLS TE FRR End-to-End Link Management S-LOS Tx 23

24 Pseudo Wire Point to Point only!!! 24

25 So, what solves what! Full Bridge Emulation(*) (*) L2 only network VPLS IP (Netbeui IPX, Appletalk)! OSPF Multipoint Connectivity QoS 25

26 So, what solves what! IPLS IP (Netbeui IPX, Appletalk)! OSPF Multipoint Connectivity QoS 26

27 So, what solves what! Pseudo WIre IP (Netbeui IPX, Appletalk)! OSPF Multipoint Connectivity QoS 27

28 So, what solves what! IP VPN (.1q access) IP (Netbeui IPX, Appletalk)! OSPF Multipoint Connectivity QoS 28

29 - (1) Carrier! / Traffic Engineering/Optimization The Internet! The End-to-End principal (by David D. Clark, et.al) CE IP CE L3 device L2 device Do not reinvent. The role of the architect is to study all the existing pieces and to make sure that the adjunctions will fit. (by Christian Huitema) L3 Access Aggregation L2 Core L3 29

30 - (2) Carrier The Internet Carrier The Internet!!! 30

TLS-Web2

TLS-Web2 VLAN VLAN L2-VPN Web JANOG 10 2002/7/26 POWEREDCOM,Inc. Masato Ando 1.4 1 VLAN Ethernet Ethernet EthernetWAN VPN Ethernet 802.1Q TagVLAN (POWEREDCOM EthernetSwitchVLAN-tag(802.1Q) ) X YB Router DA SA Y