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Cisco trust agent – IBM Tivoli and Cisco User Manual

Page 464

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Building a Network Access Control Solution with IBM Tivoli and Cisco Systems

Security Compliance Manager and NAC compliance

subsystem

Figure A-3 shows the compliance subsystem and data flow between the
subcomponents that can help during problem determination and also provides
insight to better understand the interactions between the modules.

Figure A-3 The compliance subsystem

Cisco Trust Agent

Process

Posture

Request

Process

Posture

Notification

Query

Posture

Status

Change

SCM PlugIn.dll
Called by Cisco Trust Agent, Socket
communication with SCM Policy Collector

Socket Communication

Cisco Trust Agent Posture Query Handler

Posture Cache Handler

Posture Collector Handler

Remediation Handler

SCM Policy Collector (SPC)

Posture

Data

Cache

Posture Collector A

Posture Collector B

Posture Collector C

Posture Collector D

SCM Agent
Collector Scheduler

TCM Web Gateway