Layer Examples Onf2017.202.03 2017.10.19

Outline Single layer TDM LTPs Multilayer TDM LTPs Packet LTPs LAG ODU4 server with ODU2 clients  ODU4 server with both ODU0 and ODU2 clients  ODU4 server with 100GE client (direct mapping)  Multilayer TDM LTPs  OTU4 server with ODU4 client with ODU2 clients ODU4 server with ODUflex client with GFP-F mapped Ethernet as a client (show how the capacity of the ODUflex can be increases/decreased)  ODU4 server with both ODU2 and ODUflex clients with GFP-F mapped Ethernet as a client Packet LTPs  C-TAG server with an untagged Ethernet client  S-TAG server with a C-TAG client with untagged Ethernet clients  802.3 PHY server with S-TAG client  BMAC server with S-TAG client  MPLS-TP LSP server with MPLS-TP PW client with S-TAG Ethernet client  LAG 

Single layer TDM LTPs ODU4 server with ODU2 clients ODU4 server with both ODU0 and ODU2 clients  ODU4 server with 100GE client (direct mapping) 

ODU4 server with ODU2 clients Case 1 Case 2 ODU2 ODU2 ODTU4.x (TU slot x) shim ODTUG4 ODU4 OPU4 ODU4 Figure 7-1 shows that a (non-OTN) client signal is mapped into an OPU.

ODU4 server with both ODU0 and ODU2 clients Case 1 Case 2 ODU2 ODU0 ODU2 ODU0 ODTU4.x ODTU4.x ODTUG4 ODU4 OPU4 ODU4

ODU4 server with 100GE client (direct mapping) 1)100GE 串行接口映射到 OTU4。采用标准 100G OTN 的接口进行封装、映射、 传输，波长利用率高。

Multilayer TDM LTPs OTU4 server with ODU4 client with ODU2 clients ODU4 server with ODUflex client with GFP-F mapped Ethernet as a client (show how the capacity of the ODUflex can be increases/decreased)  ODU4 server with both ODU2 and ODUflex clients with GFP-F mapped Ethernet as a client   

OTU4 server with ODU4 client with ODU2 clients Case 1 Case 2 ODU2 ODU2 ODTU4.x ODU4 ODTUG4 OPU4 ODU4 OTU4 OTU4

ODU4 server with ODUflex client with GFP-F mapped Ethernet as a client (show how the capacity of the ODUflex can be increases/decreased)  Case 1 Case 2 Ethernet Ethernet ODUflex ODUflex ODTU4.x ODU4 ODTUG4 OPU4 ODU4

ODU4 server with both ODU2 and ODUflex clients with GFP-F mapped Ethernet as a client Case 1 Ethernet Case 2 Ethernet ODU2(GMP) ODUflex(GFP-F) ODU2(GMP) ODUflex(GFP-F) ODTU4.x ODU4 ODTUG4 OPU4 ODU4

Packet LTPs C-TAG server with an untagged Ethernet client S-TAG server with a C-TAG client with untagged Ethernet clients  802.3 PHY server with S-TAG client  BMAC server with S-TAG client  MPLS-TP LSP server with MPLS-TP PW client with S-TAG Ethernet client 

C-TAG server with an untagged Ethernet client ETH untagged frame C-TAG

S-TAG server with a C-TAG client with untagged Ethernet clients ETH untagged frame C-TAG S-TAG

802.3 PHY server with S-TAG client Case1 Case2 ETH untagged frame ETH untagged frame C-TAG S-TAG S-TAG ETH PHY ETH PHY

BMAC server with S-TAG client ETH untagged frame C-TAG S-TAG I-TAG B-MAC

MPLS-TP LSP server with MPLS-TP PW client with S-TAG Ethernet client ETH untagged frame C-TAG S-TAG VC label Tunnel label VLAN-TAG

LAG ETH ETH-LAG … ETYn … ETYn_CI

Backup

Figure 7-1A – OTM multiplexing and mapping structures (Part I)

ODU0 ODU0 ODU0 ODU1 ODU1 ODU1 ODU2 ODU2 ODU2 ODU4 ODU4 OTU4 LP LP LP ‘ LP LP ODU1 ODU1 ODU1 ‘ LP ODU2 ODU2 ODU2 ODU4 ODU4 OTU4