Download Collaborative Web Hosting: Challenges and Research by Reaz Ahmed, Raouf Boutaba PDF

By Reaz Ahmed, Raouf Boutaba

This short provides a peer-to-peer (P2P) web-hosting infrastructure (named pWeb) which can remodel networked, home-entertainment units into light-weight participating internet servers for again and again storing and serving multimedia and websites. the problems addressed comprise making sure content material availability, Plexus routing and indexing, naming schemes, internet identification, collaborative internet seek, community structure and content material indexing. In pWeb, user-generated voluminous multimedia content material is proactively uploaded to a close-by community place (preferably in the related LAN or not less than, in the related ISP) and a dependent P2P mechanism guarantees net accessibility through monitoring the unique content material and its replicas. This new paradigm of knowledge administration strives to supply low or no-cost cloud garage and entices the top clients to add voluminous multimedia content material to the cloud info facilities. even if, it ends up in problems in privateness, community structure and content material availability. Concise and useful, this short examines the advantages and pitfalls of the pWeb web-hosting infrastructure. it really is designed for pros and practitioners engaged on P2P and internet administration and can also be an invaluable source for advanced-level scholars learning networks or multimedia.

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Extra info for Collaborative Web Hosting: Challenges and Research Directions (Springer Briefs in Computer Science)

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In each iteration webpage weights are updated and the new weights are propagated to adjacent URLs for computation in the next iteration. In order to implement such ranking mechanisms on websites, distributed across an overlay network, the adjacency relationships in hyperlink graph has to be preserved while mapping websites to peers. If hyperlinked websites are mapped to the same peer or adjacent peers then network overhead for computing URL weights will be significantly reduced. Unfortunately, there exists no straight forward hyperlink structure preserving mapping of the Web to an overlay network.

As a result, storing PageRank weight, wi to the peers in γ (kirep j ) will not be sufficient; it has to be refreshed periodically. To reduce network overhead, softlink to β (ui ) is stored in rep peers γ (kirep j ). This softlink structure between peers β (ui ), β (uit ) and γ (ki j ) is presented in Fig. 3. 3 A Collaborative Approach 39 Fig. 1 Advertising Websites The pseudocode for advertising a webpage is presented in Algorithm 7. As discussed in the previous two sections, two sets of indexes are maintained for a webpage: (a) using site URL ui and (b) using representative keywords Ki rep .

6 Methods for Selecting Web ID In this section we describe two methods for selecting Web IDs. The first method is based on Public/Private key based naming similar to DONA [5] and NetInf [4]. The second approach is an email address based registration scheme. While the first approach provides us security features like content authentication and data integrity, the second approach offers us no security. However the second approach is easier to implement and incurs lesser computation overhead. We intend to use the Public/Private key based approach when higher level of trust worthiness is required and use the second scheme in other cases.

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