CSC-SSM is a seperate module that can be used with ASA.The Cisco FWSM can be combined with other Cisco security services modules such as the Intrusion Detection Services Module (IDSM-2), IP Security (IPSec) VPN Shared Port Adapter (SPA), Traffic Anomaly Detection Module (ADM), Anomaly Guard Module (AGM), and the Network Analysis Module (NAM-1 and NAM-2).CSC-SSM functionality is not present within FWSM.
Cisco Firewall Services Module (FWSM) is a high-speed, integrated firewall module for Cisco Catalyst 6500 switches and Cisco 7600 Series routers-provides.It provides upto 5.5 Gbps of throughput, 100,000 new connections per second, one million concurrent connections or 256,000 NAT translations and upto 80,000 Access Control Lists.
