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{{Short description|Field of computer science}}
'''Social cloud computing''', also '''peer-to-peer social cloud computing''', is an area of computer science that generalizes [[cloud computing]] to include the sharing, bartering and renting of computing resources across peers whose owners and operators are verified through a [[social network]] or [[reputation system]].<ref>{{cite book|last1=Gupta|first1=Minaxi|last2=Judge|first2=Paul|last3=Ammar|first3=Mostafa|title=A Reputation System for Peer-to-peer Networks|journal=Proceedings of the 13th Internationalinternational Workshopworkshop on Network and Operatingoperating Systemssystems Supportsupport for Digitaldigital Audioaudio and Videovideo |chapter=A reputation system for peer-to-peer networks |date=1 January 2003|pages=144–152|doi=10.1145/776322.776346|publisher=ACM|isbn=978-1581136944|citeseerx=10.1.1.13.5964|s2cid=5549841 }}</ref><ref>{{cite book|last1=Chard|first1=K.|last2=Caton|first2=S.|last3=Rana|first3=O.|last4=Bubendorfer|first4=K.|title=Social Cloud: Cloud Computing in Social Networks|journal=2010 IEEE 3rd International Conference on Cloud Computing |chapter=Social Cloud: Cloud Computing in Social Networks |date=1 July 2010|pages=99–106|doi=10.1109/CLOUD.2010.28|isbn=978-1-4244-8207-8|citeseerx=10.1.1.225.9508|s2cid=8431622 }}</ref> It expands cloud computing past the confines of formal commercial data centers operated by cloud providers to include anyone interested in participating within the cloud services [[sharing economy]]. This in turn leads to more options, greater economies of scale, while bearing additional advantages for hosting data and computing services closer to the edge where they may be needed most.<ref>{{cite journal|last1=Babaoglu|first1=Ozalp|title=Escape From the Data Center: The Promise of Peer-to-Peer Cloud Computing|journal=IEEE Spectrum|date=September 22, 2014|url=https://spectrum.ieee.org/computing/networks/escape-from-the-data-center-the-promise-of-peertopeer-cloud-computing}}</ref><ref>{{cite book|last1=Anderson|first1=David P.|last2=Fedak|first2=Gilles|title=TheSixth ComputationalIEEE andInternational StorageSymposium Potentialon of VolunteerCluster Computing|journal=Proceedingsofand the SixthGrid IEEE(CCGRID'06) International|chapter=The SymposiumComputational onand ClusterStorage ComputingPotential andof theVolunteer Computing Grid|date=1 January 2006|pages=73–80|doi=10.1109/CCGRID.2006.101|url=http://dl.acm.org/citation.cfm?id=1134996|publisher=IEEE Computer Society|arxiv=cs/0602061|isbn=978-0-7695-2585-3|citeseerx=10.1.1.115.8349|s2cid=2564 }}</ref>
==Research==
[[Peer-to-peer]] (P2P) computing and networking to enable decentralized cloud computing has been an area of research for sometime.<ref>{{cite book|last1=Veiga|first1=Luis|last2=Rodrigues|first2=Rodrigo|last3=Ferreira|first3=Paulo|title=Seventh IEEE International Symposium on Cluster Computing and the Grid (CCGrid '07) |chapter=GiGi: An Ocean of Gridlets on a "Grid-for-the-Masses"|journal=Proceedingsof the Seventh IEEE International Symposium on Cluster Computing and the Grid|date=1 January 2007|pages=783–788|doi=10.1109/CCGRID.2007.54|url=http://dl.acm.org/citation.cfm?id=1252179|publisher=IEEE Computer Society|isbn=978-0-7695-2833-5|s2cid=6677458 }}</ref> Social cloud computing intersects [[peer-to-peer cloud computing]] with [[social computing]] to verify peer and peer owner reputation thus providing security and quality of service assurances to users. On demand computing environments may be constructed and altered statically or dynamically across peers on the Internet based on their available resources and verified reputation to provide such assurances.
==Applications==
Social cloud computing has been highlighted as a potential benefit to large-scale computing, video gaming, and media streaming.<ref>{{cite book|last1=Babaoglu|first1=Ozalp|last2=Marzolla|first2=Moreno|last3=Tamburini|first3=Michelle|title=Design and Implementation of a P2P Cloud System|journal=Proceedings of the 27th Annual ACM Symposium on Applied Computing |chapter=Design and implementation of a P2P Cloud system |date=March 2012|pages=412–417|doi=10.1145/2245276.2245357|url=http://www.cs.unibo.it/babaoglu/papers/pdf/acm-sac-2012.pdf|publisher=ACM|isbn=9781450308571|citeseerx=10.1.1.307.6956|s2cid=3041583 }}</ref> The tenets of social cloud computing has been most famously employed in the [[Berkeley Open Infrastructure for Network Computing]] (BOINC), making the service the largest computing grid in the world.<ref>{{Cite web |title = Largest computing grid |url = http://www.guinnessworldrecords.com/world-records/largest-computing-grid |website = Guinness World Records |accessdate=28 March 2017}}</ref> Another service that uses social cloud computing is Subutai. Subutai allows peer-to-peer sharing of computing resources globally or within a select permissioned network.<ref>{{cite web|title=What is Subutai?|url=https://subutai.io|website=Subutai|accessdate=28 March 2017}}</ref>
