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DRAFT A Network Architecture for Heterogeneous Mobile Computing

This document covers the design and architecture of the Dædalus/Glomop network infrastructure, which provides optimized network access to heterogeneous clients in heterogeneous and potentially overlapping networks. The architecture comprises four components that provide orthogonal, but complementary, functionality at all major points in the traditional layered network model: wireless overlay networking, transport layer performance optimizations, a scalable proxy (middleware) subsystem, and application-level network services. We show how the interaction of these components enables “anytime, anywhere” wireless access that is easy to use, delivering the best performance available at any given time while adapting intelligently to a wide range of network conditions and client device characteristics. We describe our progress to date in implementing the architecture, as well as what we see as remaining milestones and future work.