Testing OSI Protocols at the National Bureau of Standards

Article Abstract:

To establish conformance with the appropriate Federal Information Processing Standards, an architecture for testing has been developed by the Institute for Computer Sciences and Technology at the National Bureau of Standards. Implementations of the Open Systems Interconnection (OSI) layered architecture is tested under actual running conditions over public and private networks. In the system, the Test Center Scenario Interpreter works with the Remote Scenario Interpreter in exercising services provided by the protocol Implementation Under Test. The service primitives of the protocol are expressed using the test language. A table lists transport test language elements and a diagram shows the test architecture.

Standard, Standardization, Tests, Telecommunications transmission technologies, Testing, Data Communications, OSI Standard

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Future directions in packet radio architectures and protocols

Article Abstract:

The technology of packet switching over multihop, multiple-access channels is currently at the stage where its protocols can support internetwork operation of medium-size networks with nodes of some mobility. The requirements and tests of the future operating environment can be addressed only by enhancing the packet radio network and its protocols. Several enhancements permitting the organization of large dynamic networks that can operate over multiple channels, adapt to varying conditions, and possess self-monitoring and self-control capabilities are discussed.

Operating systems (Software), Packet switches, Networks, Radio Communication, Mobile Radio Systems, Packet Switch, Operating Environments

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