Challenges and research directions in autonomic communications
International Journal of Internet Protocol Technology
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This paper describes the activities in Application LevelActive Networks (ALAN) under the DARPA-fundedRADIOACTIVE Project; this is closely related to workcarried out under a European Commission projectANDROID.The ALAN infrastructure was developedmainly under other projects; it is summarized here mainlyfor background.The version used here relies on separateActive Applications driven by policies - with the policiesexpressed in XML.There are two principal applicationscarried through in this project - adaptation of multicast,multimedia conferencing tools (M-Bone) and VirtualPrivate Networks (VPNs).The former were developed inother projects; the latter derives from the X-Bone overlaynetworks of ISI.It is an important aspect of the project that the finalactivity all works in the context of IPv6.The paperdescribes the measures that were required to make theapplications into ALAN ones, and the problemsencountered in moving all the components to work in theIPv6 environment.