TR-069 refers to the Technical Report published by the Broadband Forum that defines the CPE WAN Management Protocol, or CWMP. CWMP was developed to allow providers of broadband services to deploy and manage customer premises equipment in home and business networks.
In the beginning, TR-069 was targeted towards the home router or business gateway. It has evolved to cover all manner of home network devices, including enterprise VoIP products, video set top boxes, network attached storage, femto cells, and an unlimited number of network aware products through TR-069’s proxy function.
CPE management gives providers the ability to cover a wide range of use cases. This includes so-called “zero touch” installation, configuration and activation of new services, CPE firmware maintenance, and diagnostics for customer troubleshooting.
Fundamentally, TR-069 describes the interaction between an Auto-Configuration Server, or ACS, and one or more CWMP endpoints. These endpoints usually reside on a devices in a broadband user’s home network. This interaction happens with a series of Remote Procedure Calls, or RPCs.
All CWMP sessions begin with the CPE making the Inform RPC on the ACS. This is also referred to as “sending an Inform” or “an Inform message”. An Inform RPC, and consequently, a CWMP session, is always made for a specific reason, called an Event. These Events drive CWMP operation.
Before we dive into Events, let’s take a look at an overall session.
That’s the basics of a TR-069 session. You can test your device’s implementation of TR-069 with the CDRouter TR-069 add-on.
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