IBM User Guide for Java V7 on Windows > IBM SDK for Java > The ORB > Additional features of the ORB

Fragmentation

The CORBA specification introduced the concept of fragmentation to handle the growing complexity and size of marshalled objects in GIOP messages. Graphs of objects are linearized and serialized inside a GIOP message under the IDL specification of valuetypes. Fragmentation specifies the way a message can be split into several smaller messages (fragments) and sent over the net.

The system administrator can set the ORB properties FragmentSize and FragmentTimeout to obtain best performance in the existing net traffic. As a general rule, the default value of 1024 bytes for the fragment size is a good trade-off in almost all conditions. The fragment timeout must not be set to too low a value, or time-outs might occur unnecessarily.

Parent: Additional features of the ORB

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