- Towards reconfiguration and self-adaptivity in S-Net
- 20th International Symposium on the Implementation and Application of Functional Languages (IFL 2008), Hatfield, UK
- Book/source title
- 20th International Symposium on the Implementation and Application of Functional Languages (IFL 2008)
- Hatfield, UK: University of Hertfordshire, School of Computer Science
- Document type
- Conference contribution
- Faculty of Science (FNWI)
- Informatics Institute (IVI)
Stream processing is a well-suited model for parallel programming, as it allows the programmer to design parallel algorithms intuitively by arranging computational tasks into a data-flow graph and consecutively constructing a streaming network from it. However, a network that was designed with a specific workload in mind will not work optimally if anticipated parameters, as for example data rates or computational costs per data item, change over time. To nonetheless achieve optimal performance, a restructuring of the network and re-implementation of computational components is inevitable.
As the deployment of a revised network usually causes service disruption, we present a system that supports reconfiguration of streaming networks at runtime. The reconfiguration of networks can either be triggered externally, i.e. initiated by the user, or from within the network itself (self-adaptation) by, for example, monitoring certain runtime parameters.
Our system is based on S-Net, a coordination language for asynchronous stream processing systems. S-Net supports the simultaneous use of computational components implemented in a range of programming languages and it offers network combinators to construct streaming networks from these components. We will introduce S-Net and extensions of the language that allow for reconfiguration and self-adaptation of networks at runtime. The extensions are designed as network combinators and integrate seamlessly into the existing language.
If you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library, or send a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible.