C

CRM

Customer Relationship Management.

CCD

cluster configuration databases.

CCR

cluster configuration repository.

CC-NUMA

Cache Coherent Non-Uniform Memory Architecture.

CFS

cluster file system.

CGI

Common Gateway interface.

Chokepoints

Filtering routers, flow control devices, and application or packet-filtering fire walls.

CI

The central instance used in the SAP R/3 software.

CIM

Common Information Model.

CIFS

Common Internet File System.

CMM

cluster membership monitor.

CMS

customer management system.

Coherence

The behavior of reads and writes to the same memory location.

Common mode fault

A fault that occurs when a fault in one component causes a fault in another component. This propagation can occur when two components share a common component.

Consistency

The behavior of reads and writes with respect to accesses to other memory locations. Describes the when a read operation returns a written value. Coherency and consistency are complementary.

CORBA

Common Object Request Broker Architecture.

CRM

customer relationship management.

CSMA/CD

carrier sense, multiple access, collision detection.

CTQ

critical-to-quality (issue).

CVM

cluster volume manager; a licensable part of VxVM.

CXS

CORBA executive service.