A framework for policy bindings

In this paper we investigate the design of extensible middleware that supports dynamic binding configuration by pluggable and replaceable policies. An important aspect of our approach is the distinction between bindings and their activations, which allows us to reason about and implement bindings with changing activations and activation policies (adaptation), and policies for managing activations (metapolicies) as separate entities. A design of a prototype binding framework which supports pluggable policies and metapolicies is described in detail.