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DTCP-Initiated Traffic Mirroring Interfaces

Figure 1 shows the interfaces involved in DTCP-initiated secure subscriber policy traffic mirroring.

Figure 1: DTCP-Initiated Traffic Mirroring Interfaces Diagram of communication interception system with Access Function capturing data from devices, Delivery Function processing data, and Collection Function transferring data to law enforcement for monitoring.

Table 1 describes the interfaces involved in DTCP-initiated secure subscriber policy traffic mirroring.

Table 1: DTCP-Initiated Traffic Mirroring Interfaces

Interface

Description

HI-1

Handover Interface 1—Administrative interface between the LEA and the service provider mediation device. The LEA sends provisioning information to the mediation device on this interface.

HI-2

Handover Interface 2—Intercept-related information interface between the LEA and the mediation device that is used to deliver intercept-related events to the LEA. These events can be subscriber session events such as login, logout, and authentication.

HI-3

Handover Interface 3—Intercepted content interface between the mediation device and LEA that is used to deliver intercepted content to the LEA.

INI-1

Internal network Interface 1—Interface used to send DTCP messages containing intercept provisioning information from the mediation device to the router.

INI-2

Internal network interface 2—Interface used to send intercept-related events from the router to the mediation device. This information is sent in SNMP traps.

INI-3

Internal network interface 3—Interface used to send intercepted content from the router to the mediation device.

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