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Fog computing, also known as fogging, is a distributed computing infrastructure in which some application services are handled at the network edge in a smart device and some application services are handled in a remote data center -- in the cloud. The goal of fogging is to improve efficiency and reduce the amount of data that needs to be transported to the cloud for data processing, analysis and storage. This is often done for efficiency reasons, but it may also be carried out for security and compliance reasons.

Architectures can operate independently of specific technologies and can therefore be implemented using a wide range of technologies, including:

SOAP, RPC
REST
DCOM
CORBA
OPC-UA
Web services
DDS
Java RMI
WCF (Microsoft's implementation of web services now forms a part of WCF)
Apache Thrift
SORCER

Implementations can use one or more of these protocols and, for example, might use a file-system mechanism to communicate data conforming to a defined interface specification between processes conforming to the SOA concept