Design of a network service processing platform for data path customization
Proceedings of the 2nd ACM SIGCOMM workshop on Programmable routers for extensible services of tomorrow
A detection and filter system for use against large-scale DDoS attacks in the internet backbone
IWAN'04 Proceedings of the 6th IFIP TC6 international working conference on Active networks
Support for dynamic adaptation in next generation packet processing systems
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Specification of network services and mapping algorithms
MILCOM'06 Proceedings of the 2006 IEEE conference on Military communications
A novel control plane model of extensible routers
ICCS'06 Proceedings of the 6th international conference on Computational Science - Volume Part IV
Experiments on the automatic evolution of protocols using genetic programming
WAC'05 Proceedings of the Second international IFIP conference on Autonomic Communication
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Emerging network services such as transcoding and encryption need application-specific handling of data streams within the network, thus requiring enormous computational capabilities on routers to process packets at link speed. Recently appeared Network Processors (NPs) are able to significantly increase the available processing capacities on a router by a chip-multi-processor architecture. Embedded within the network interface card, NPs provide several code-extensible processors with different capabilities located at various layers. However, the increase in processing capacity comes at the cost of a higher complexity to program and control various processor hierarchies provided on the router. In this paper, we introduce the model of active network nodes built of a processor hierarchy together with a component-based service model. We present the architecture of PromethOS NP which is a modular framework that manages and controls a network node with a multitude of processors in a scalable way. Specifically, we describe the mechanisms required to dynamically configure multiple processors organized in a hierarchical fashion such that they provide a new network service on behalf of applications. As a proof of concept, we have implemented a service framework for PromethOS NP. Our implementation is based on a network interface card with an embedded IBM PowerNP 4GS3 and an Intel Xeon processor, offering programmability on a three-tier hierarchy of processors.