1. Layer Examples
Onf

2. 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 

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

4. 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.

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

6. 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。

7. 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 

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

9. 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

10. 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

11. 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 

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

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

14. 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

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

16. 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

17. LAG
ETH
ETH-LAG …
ETYn …
ETYn_CI

18. Backup

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

24. 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