Written by: Lars Hennert and Alexander Larruy

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Future telecommunications platforms must fulfill both traditional requirements for availability and performance and increasingly stringent requirements for open-endedness and scalability.
TelORB is a distributed operating system for large-scale, embedded, real-time applications that require non-stop operation. It is composed of a modern OS kernel, a real-time database, software-configuration control, and an associated development environment for writing task-specific application code. A CORBA-compliant object request broker and a Java virtual machine run on top of TelORB. The authors describe the TelORB operating system platform, its unique characteristics, and processing entities. These include device processors that directly control hardware with stringent real-time requirements; the TelORB operating system, which controls traffic availability and soft, real-time performance; and UNIX or Windows NT, which provide standard programming environments for less critical, real-time platform functionality and applications.

[First published in Ericsson Review no. 03, 1999]