Alcatel-Lucent 7750 SR OS - Table 14: SC-APS Versus MC-APS Protection

Ports
Page 64 7750 SR OS Interface Configuration Guide
Single Chassis and Multi-Chassis APS
APS can operate in a Single Chassis configuration (SC-APS) or in a Multi-Chassis configuration
(MC-APS).
An SC-APS group can span multiple ports, MDAs or IOMs within a single node whereas as MC-
APS can span two separate nodes.
The support of SC-APS and MC-APS depends on switching modes, MDAs, port types and ecaps.
For a definitive description of the MDAs, port types, switching modes, bundles and encapsulations
supported with APS please see APS Applicability, Restrictions and Interactions on page 80.
Table 14: SC-APS versus MC-APS Protection
Single Chassis APS
Multi-Chassis
APS
Short form name
SC-APS MC-APS
Link failure protection (including
intermediate transmission equipment
failure)
Yes Yes
Optical/electrical module (e.g. SPF, XPF)
failure protection
Yes Yes
MDA failure protection Yes Yes
IOM failure protection Yes Yes
Node failure protection No Yes