Cisco ONS 15454 DWDM - Figure 22-20 OSI;MSTP Scenario

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Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 22 Management Connectivity Reference
22.7 TCP/IP and OSI Networking
Figure 22-20 OSI/MSTP Scenario 2
OSI/MSTP Scenario 3 (Figure 22-21) shows the following:
• OSI is carried over an SDCC or RS-DCC termination.
• OSI has to be carried or tunnelled to the other peer TXP/MXP through an OSC termination, GCC
termination, or both
• An OSS has IP connectivity to all the NEs
• The MSTP NE is a GNE for the third party OSI-based SONET NEs. the MSTP NEs perform all
mediation functions.
OSC
OSC
OSCOSC
SDCC/RS-DCC
SDCC/RS-DCC
I over SDCC/RS-DCC
OSI over SDCC/RS-DCC
TXP/MXP
TXP/MXP
e
r vendor
N
ET/SDH
Other vendor
SONET/SDH
MSTP
MSTP
MSTP
MSTP
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