PLAN: a packet language for active networks
ICFP '98 Proceedings of the third ACM SIGPLAN international conference on Functional programming
Deriving traffic demands for operational IP networks: methodology and experience
Proceedings of the conference on Applications, Technologies, Architectures, and Protocols for Computer Communication
SafetyNet: a language-based approach to programmable networks
Computer Networks: The International Journal of Computer and Telecommunications Networking - Active networks and services
Flexible, Dynamic, and Scalable Service Composition for Active Routers
IWAN '02 Proceedings of the IFIP-TC6 4th International Working Conference on Active Networks
PromethOS: A Dynamically Extensible Router Architecture Supporting Explicit Routing
IWAN '02 Proceedings of the IFIP-TC6 4th International Working Conference on Active Networks
Design and Deployment of a Passive Monitoring Infrastructure
IWDC '01 Proceedings of the Thyrrhenian International Workshop on Digital Communications: Evolutionary Trends of the Internet
Component-Based Active Network Architecture
ISCC '01 Proceedings of the Sixth IEEE Symposium on Computers and Communications
Enabling distributed QoS management utilizing active network technology
Network control and engineering for Qos, security and mobility II
OC3MON: Flexible, Affordable, High Performance Staistics Collection
LISA '96 Proceedings of the 10th USENIX conference on System administration
The PingER project: active Internet performance monitoring for the HENP community
IEEE Communications Magazine
An OS interface for active routers
IEEE Journal on Selected Areas in Communications
Intrinsic Monitoring Using Behaviour Models in IPv6 Networks
MACE '09 Proceedings of the 4th IEEE International Workshop on Modelling Autonomic Communications Environments
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Active and programmable network technologies strive to support completely new forms of data-path processing capabilities inside the network. This in conjunction with the ability to dynamically deploy such active services at strategic locations inside the network enables totally new types of applications. In this paper we exploit these network-side programming capabilities to realise a new active network application that dynamically evaluates network link costs based on in-line traffic measurements. The performance experienced by the data packets (e.g. delays, jitter and packet loss) along network or virtual links is used to compute link costs based on multiple cost metrics. The results are published by means of a routing metric broker, which enables available routing protocols to calculate different sets of routes for different QoS metrics - as for example suggested for ToS-based routing (RFC 1583).