From Representations to Computations: The Evolution of Web Architectures

Justin R. Erenkrantz, Michael Gorlick, Girish Suryanarayana, Richard N. Taylor

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Abstract:

Representational State Transfer (REST) guided the creation and expansion of the modern web. What began as an internet-scale distributed hypermedia system is now a vast sea of shared and interdependent services. However, despite the expressive power of REST, not all of its benefits are consistently realized by working systems. To resolve the dissonance between the promise of REST and the reality of fielded systems, we critically examine numerous web architectures. Our investigation yields a set of extensions to REST, an architectural style called Computational REST (CREST), that not only offers additional design guidance, but pinpoints, in many cases, the root cause of the apparent dissonance between style and implementation. Furthermore, CREST explains emerging web architectures (such as mashups) and points to novel computational structures.

Annotation:

Keywords: REST (Representational State Transfer)0.9; (undefined keyword: crest);

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