By Fernando Almeida, Maria Teresa Andrade, Nicola Blefari Melazzi, Richard Walker, Heinrich Hussmann, Iakovos S. Venieris
Convergence proposes the enhancement of the web with a unique, content-centric, publish–subscribe provider version in keeping with the flexible electronic merchandise (VDI): a standard box for all types of electronic content material, together with electronic representations of real-world assets. VDIs will serve the desires of the long run net, offering a homogeneous strategy for dealing with based info, incorporating protection and privateness mechanisms. CONVERGENCE subsumes the next components of research:
· definition of the VDI as a brand new primary unit of distribution and transaction;
· content-centric networking performance to counterpoint or exchange IP-address-based routing;
· safety and privateness defense mechanisms;
· open-source middleware, together with a neighborhood dictionary carrier to let wealthy semantic searches;
· purposes, verified below real-life conditions.
This booklet exhibits how CONVERGENCE permits publishing, looking and subscribing to any content material. Creators can submit their content material by way of wrapping it and its descriptions right into a VDI, surroundings rights for different clients to entry this content material, visual display unit its use, and speak with humans utilizing it; they could even replace or revoke content material formerly released. entry to content material is extra effective, as se's make the most VDI metadata for indexing, and the community makes use of the content material identify to make sure clients continuously entry the replica closest to them. each node within the community is a content material cache; handover is straightforward; multicast is normal; peer-to-peer is integrated; time/space-decoupling is feasible. program builders can take advantage of CONVERGENCE’s middleware and community with no need to inn to proprietary/ad hoc strategies for common/supporting performance. Operators can use the community extra successfully, greater controlling details move and similar sales flows. community layout, operation and administration are simplified by way of integrating varied features and warding off patches and stopgap solutions.
Whether as a textual content for graduate scholars engaged on the way forward for the web, or a source for practitioners delivering e-commerce or multimedia companies, or scientists defining new applied sciences, CONVERGENCE will make a helpful contribution to the long run form of the Internet.
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4 COAST The COAST project aims to build Future Content-Centric Network (FCCN) overlay architecture able to intelligently and efficiently link billions of content sources to billions of content consumers and offer fast content-aware retrieval, 20 F. Almeida et al. delivery and streaming, while meeting network-wide Service Level Agreements (SLAs) in content and services consumption (COAST 2012). This will be achieved by combining intelligent network caching, searching, and network, terminal and user context awareness.
Ganichev, T. Loponen, J. Liu, S. Shenker and A. Tavakoli, ‘‘A publish/subscribe communications api for data-oriented applications’’, In Proceedings of the 5th Symposium on Networked Systems Design and Implementation, pp. 94–102, 2009. M. Grafl, C. Timmerer, H. Hellwagner, G. Xilouris, G. Gardikis, D. Renzi, S. Battista, E. Borcoci, D. Negru, ‘‘Scalable Media Coding enabling Content-Aware Networking’’. In IEEE Multimedia, 27 Nov. 2012. IEEE computer Society Digital Library. 57). N. Blefari Melazzi, L.
CONVERGENCE makes it possible to maintain access to VDIs when they move from one host to another, protect user security and privacy, and provide support for ‘‘digital forgetting’’, ensuring that VDIs are deleted when they pass a user-defined expiry date. An RDF-based Community Dictionary Service supports search for user-defined metadata. CONVERGENCE concepts have been tested in iterative cycles of research, design and experiment, studying their usefulness in real-life business scenarios, integrated into partners’ product cycle, and using large-scale FIRE facilities to investigate their scalability and robustness.
