2001 | OriginalPaper | Buchkapitel
Embedded Software in Network Processors — Models and Algorithms
verfasst von : Lothar Thiele, Samarjit Chakraborty, Matthias Gries, Alexander Maxiaguine, Jonas Greutert
Erschienen in: Embedded Software
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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We introduce a task model for embedded systems operating on packet streams, such as network processors. This model along with a calculus meant for reasoning about packet streams allows a unified treatment of several problems arising in the network packet processing domain such as packet scheduling, task scheduling and architecture/algorithm explorations in the design of network processors. The model can take into account quality of service constraints such as data throughput and deadlines associated with packets. To illustrate its potential, we provide two applications: (a)a new task scheduling algorithm for network processors to support a mix of real-time and non-real-time flows, (b)a scheme for design space exploration of network processors.