Cisco Systems 15454 13-58, In European networks:

13-58
Cisco ONS 15454 Reference Manual, R7.0
78-17191-01
Chapter 13 Management Network Connectivity
13.7 13.7.9 OSI/IP Networking Scenarios
Figure 13-38 OSI/IP Scenario 7: OSI OSS, OSI DCN, Other Vender GNE, OSI DCC, and ONS NEs
In European networks:
• CTC and CTM are used for management only.
• IP-over-CLNS tunnels are widely accepted and deployed.
1ONS 15454 NEs are managed by CTC/CTM only (TL1/FTP is not used).
2The OSI OSS manages other vendor NEs only.
3CTC/CTM communicates with the ONS 15454 over a IP-over-CLNS tunnel between the
ONS 15454 NE and external router.
131937
OSI
DCN
OSI
IP
CTC/CTM IP OSS
OSI
OSI
ONS NE 1
ONS NE 3
ONS NE 2
IP and
OSI/PPP/DCC
IP and
OSI/PPP/DCC
2
3
1
OSI/LAP-D/DCC
Other
vendor GNE
Other
vendor NE 1
Other
vendor NE 2
OSI/
LAP-D/
DCC
OSI/
LAP-D/
DCC