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 * [Architecture](architecture.md)
 * [External Authentication (httpd)](external_auth.md)
 * [REST API](rest_api.md)
+* [Working with Amazon AWS Config service](providers/amazon_aws_config.md)
 
 ## License
 
diff --git a/providers/amazon_aws_config.md b/providers/amazon_aws_config.md
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+## Amazon AWS Config
+
+The [AWS Config](http://aws.amazon.com/config/) service provides configuration
+information about all catalog items in your AWS environment, including
+configuration changes.
+
+### Setting up the AWS Config service
+
+The instructions for enabling the AWS Config service are provided in [Amazon's
+documentation](http://aws.amazon.com/config/details/#Getting_Started).  An
+overview is provided here.
+
+1. Create an AWS SNS Topic called `AWSConfig_topic`.
+  * Log in to the AWS Console.
+  * Navigate to the SNS tab.
+  * Click the "Create and Add" button, and select "Create new topic".
+  * In the dialog, enter "AWSConfig_topic" as the topic name.
+  * Click "Create topic" to close the dialog.
+2. Create an AWS S3 bucket for AWS Config.
+  * Navigate to the S3 tag in the AWS Console.
+  * Click the "Actions" button, and select "Create Bucket...".
+  * In the dialog, enter a bucket name in the "Bucket Name" field.
+  * Select the region appropriate for your AWS account.
+  * Click "Create" to close the dialog.
+3. Enable the AWS Config service.
+  * Navigate to the Config tab.
+  * Click the gear icon next to the "Status" link.
+  * Under the "Amazon SNS Topic" heading, select "Choose a topic from your.
+    account" and select the `AWSConfig_topic`.
+  * Under the "Amazon S3 Bucket" heading, select "Choose a bucket from my.
+    account" and select the correct bucket name.
+  * Enter an optional subdirectory.
+  * Click "Allow" to allow the AWS Config service read resource configurations.
+
+### How ManageIQ Uses AWS Config
+
+ManageIQ supports AWS Config by using the service as the source for events.
+Configuration changes published by AWS Config are consumed by ManageIQ and
+treated as events.  These events are processed by the normal ManageIQ event
+handler mechanisms.
+
+When the ManageIQ AWS Event Catcher starts for the first time, it will create a
+new AWS SQS Queue that subscribes to the AWS SNS Topic used by the AWS Config
+service.  It is important to use the AWS SNS Topic name of `AWSConfig_topic`
+when setting up the AWS Config service so that ManageIQ can find the topic when
+creating the SQS Queue.
+
+The SQS Queue is used to receive AWS resource configuration diffs generated by
+the AWS Config service.  The ManageIQ AWS Event Catcher connects to the SQS
+Queue and receives all of the AWS resource configuration diffs.