What is a distributed transaction?

Jerry Smith

A distributed transaction bundles multiple operations in which at least two network hosts are involved, for example, an enterprise bean deployed under an Enterprise JavaBean (EJB) server on network host jupiter that has a JDBC connection(s) to a database server on network host saturn. In enterprise computing, it's often the case that several network hosts are involved, each hosting different servers, for example, web servers, EJB servers, Java Message Service (JMS) servers, and other Java or CORBA-based application servers.

In order to satisfy a client's dependence on an all-or-nothing guarantee for a sequence of operations, a transaction manager is responsible for creating and managing a global transaction that encompasses all operations against the implied resources. The transaction manager accesses each resource, for example, a relational database system, through the respective resource manager.

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