Component-based active network architecture

Schmid, Stefan; Finney, Joe; Scott, Andrew C.; Shepherd, W. D.

doi:10.1109/iscc.2001.935363

Cited by 22 publications

(18 citation statements)

References 10 publications

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“…The LARA++ [9] active node framework is a software implementation of a programmable router that is designed for commodity operating systems. It augments the functionality of a conventional router/host by exposing a programmable interface which allows active programs, referred to as active components, to provide network level services on any packet-based network.…”

Section: The Lara++ Architecturementioning

confidence: 99%

“…The first module is responsible for carrying out the in-line measurements. It has been implemented as a standalone LARA++ active component that registers the relevant packet filters (depending on the flows of interest) at the IPv6 node of the classification graph [9]. It exposes an API that allows other components or user applications to use it.…”

Section: Design and Implementationmentioning

confidence: 99%

“…Active networks research over the last decade has led to new developments in a number of areas ranging from secure programming languages [1,2], mobile code techniques [3], execution environments [3,4], active node platforms [5,6,7,8,9], service composition models [9,10,11], and so forth. Despite these valuable advances, the number of genuine applications where active network technologies are provably useful in real world networks is still limited.…”

Section: Introductionmentioning

confidence: 99%

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Dynamic Link Measurements Using Active Components

Pezaros

Sifalakis

Schmid³

et al. 2007

Active Networks

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Abstract. 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).

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Section: The Lara++ Architecturementioning

confidence: 99%

Section: Design and Implementationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Dynamic Link Measurements Using Active Components

Pezaros

Sifalakis

Schmid³

et al. 2007

Active Networks

Self Cite

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“…In many Active Network platforms, installed services access packets using dynamic packet filtering. The system under development is based on the Lancaster Active Router Architecture (LARA++) [12]. In LARA++ received data traverses a dynamic Classification Graph.…”

Section: System Design and Implementationmentioning

confidence: 99%

On Demand Network Level Service Deployment in Ad Hoc Networks

Prince

Scott

Shepherd

2003

Personal Wireless Communications

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Abstract. Many network level services such as routing, auto-addressing and, security have been proposed for ad hoc networks. Each has characteristics that may cause it to outperform similar services under different network conditions; therefore the choice of optimal services depends on the network deployment. Furthermore, since ad hoc network groups may be mobile it is probable that networks operating different or varying service implementations will interact. This paper presents work to provide dynamic, on demand network service selection and deployment, with minimal user interaction, in ad hoc networks.

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“…perapplication components that act on a particular preselected packet flow) from maliciously tampering with the code/ data of other components in the same capsule, or from accidentally taking down the whole of the router capsule by crashing, we exploit Maya's support for multi-address-space capsules (see figure 6). In particular, a specialised plug-in loader is used which, if it determines that a to-be-loaded component is potentially malicious or otherwise dangerous, instantiates a new 'secondary' address space and loads the component into that (alternatively, if such an address space is already in place from a prior load, then this may be used) [43]. Such 'secondary' address spaces are barred from themselves accessing loading and binding services so that components loaded into them cannot initiate any such activities.…”

Section: Component Framework Developmentsmentioning

confidence: 99%

Netkit

Coulson

Blair

Hutchison

et al. 2003

SIGCOMM Comput. Commun. Rev.

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While there has already been significant research in support of openness and programmability in networks, this paper argues that there remains a need for generic support for the integrated development, deployment and management of programmable networking software. We further argue that this support should explicitly address the management of run-time reconfiguration of systems, and should be independent of any particular programming paradigm (e.g. active networking or open signaling), programming language, or hardware/ operating system platform. In line with these aims, we outline an approach to the structuring of programmable networking software in terms of a ubiquitously applied software component model that can accommodate all levels of a programmable networking system from low-level system support, to in-band packet handling, to active networking execution environments to signaling and coordination.

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Component-based active network architecture

Cited by 22 publications

References 10 publications

Dynamic Link Measurements Using Active Components

Dynamic Link Measurements Using Active Components

On Demand Network Level Service Deployment in Ad Hoc Networks

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