Channel Processor - Teradata Director Program

Teradata Director Program Reference

Product
Teradata Director Program
Release Number
16.10
Published
May 2017
Language
English (United States)
Last Update
2018-05-09
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B035-2416
lifecycle
previous
Product Category
Teradata Tools and Utilities

A Channel Processor (CP) is a pair of devices on the Teradata Database that are attached to a mainframe channel and used by TDP to communicate with the Database. Many CPs can be used for communication between a Database and a TDP. The implementation of a CP can vary on different Databases, but the behavior of all CPs is the same. For example, on a DBC/1012, an IFP implements a CP, while on a System 3600, an MCCA on an AP implements a CP. Because the original implementation of an IFP embodied the functions of a CP, the pair of devices were referred to as an IFP.

The devices composing a CP are known to the operating system.

From TDP's perspective, there are two types of CPs, characterized by their communication protocol with TDP: the original Channel Interface Controller (CIC) and the newer Channel Communication Unit (CCU).

CPs and Network Processors may both be used simultaneously by the same TDP.