By Reaz Ahmed, Raouf Boutaba
Cloud-based options for on-line garage, backup, and sharing of multimedia content material over the net have inherent privateness perils. clients need to placed their belief at the cloud-service companies. provider services dictate the phrases of utilization, and very likely achieve regulate over clients’ contents. Beside the privateness problem, transporting large volumes of user-generated, multimedia content material to far away facts facilities will not be bandwidth pleasant for unpopular contents. A peer-to-peer (P2P) Web-based content material sharing structure can subside those difficulties. This booklet investigates the demanding situations in P2P hosting and offers a possible resolution named pWeb. 3 significant demanding situations were addressed in pWeb: (a) chronic naming of net contents over non-persistent P2P networks, (b) decentralized web pages looking and allotted rating of seek effects, and (c) making sure content material availability with minimum replication overhead. pWeb will permit loose webhosting of web sites and multimedia internet contents, with no quandary on content material style or dimension. this may supply anyone the chance to submit to the hundreds, instead of proscribing them via economics. additionally, freedom of speech is a valued precept notwithstanding around the world there are numerous who attempt to dam entry to convinced details. The dispensed technique of pWeb is inherently immune to censorship, and may aid to unfold this freedom all over the world. 1 creation 1.1 value of P2P website hosting 1.2 demanding situations 1.2.1 Naming 1.2.2 P2P net seek 1.2.3 making sure content material Availability 1.3 association References 2 Plexus: Routing and Indexing 2.1 middle options in Plexus 2.2 Plexus Routing 2.3 utilizing Plexus in pWeb References 3Naming 3.1 specifications 3.2 Who wishes a reputation 3.3 Naming in Peer-to-Peer structures 3.3.1 dossier Sharing platforms 3.3.2 BitTorrent 3.3.3 P2P DNS . 3.4 A Collaborative Naming Scheme 3.4.1 Entities and requisites 3.4.2 pWeb Naming process 3.4.3 Naming Scheme 3.4.4 Naming Authority 3.4.5 identify solution 3.4.6 tools for choosing internet identity 3.5 precis References four Collaborative net seek 4.1 specifications 4.2 net seek in P2P Networks 4.2.1 comparable key-phrase seek 4.2.2 disbursed Relevance rating 4.3 A Collaborative technique 4.3.1 community structure 4.3.2 Indexing structure 4.3.3 Resolving net question 4.4 precis References five Availability 5.1 requisites 5.2 Availability in P2P platforms 5.3 Conceptual evaluate 5.3.1 structure 5.3.2 Availability Vector 5.4 S-DATA Protocol info 5.4.1 Terminology 5.4.2 Indexing Availability info 5.4.3 team Formation 5.4.4 crew upkeep 5.4.5 content material Indexing and look up
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Additional info for Collaborative Web Hosting: Challenges and Research Directions
Stoica, D. Adkins, S. Zhuang, S. Shenker, and S. Surana. Internet indirection infrastructure. SIGCOMM Comput. Commun. , 32(4):73–86, 2002. Chapter 4 Collaborative Web Search Internet is the largest repository of documents that mankind has ever created. Voluntary contributions from millions of Internet users around the globe, and decentralized, autonomous hosting infrastructure are the sole factors propelling the continuous growth of the Internet. netcraft. 08 million. Visibility of a website and its contents is largely governed by the web search engines.
However, query resolution requires multiple overlay hops in a P2P system. Each overlay hop can require multiple IP hops in the Internet. This can greatly increase the response time for web query resolution. • Partial keyword search: Traditional web search engines offer full text indexing and partial matching of query keywords. However, achieving these two properties in a distributed environment is very challenging and can incur significant network overhead. • Distributed ranking: Web search engines rank the websites in a search result based on their relative importance and relevance to the query keywords.
In the last few years a number of research efforts have focused on extending DHT-techniques for supporting keyword search. 2 Web Search in P2P Networks 29 • Build an additional layer on top of an existing routing mechanism, like Chord , CAN  or Tapestry . The aim is to reduce the number of DHT lookups per search by mapping related keywords to nearby peers on the overlay. This strategy is proposed in a number of research works including [10, 14, 25] and . • Combine structured and unstructured approaches in some hierarchical manner to gain the benefits of both paradigms.