Fog Computing Qos Review and Open Challenges

InternetofThings(IoT)enablesintersconnectivityamongdevicesandplatforms.IoTdevicessuch assensors,orembeddedsystemsoffercomputational,storage,andnetworkingresourcesandthe existenceoftheseresourcespermitstomovetheexecutionofIoTapplicationstotheedgeofthe networkanditisknownasfogcomputing.ItisabletohandlebillionsofInternet-connecteddevices and is well situated for real-time big data analytics and provides advantages in advertising and personalcomputing.Themainissuesinfogcomputingincludesfognetworking,QoS,interfacing andprogrammingmodel,computationoffloading,accounting,billingandmonitoring,provisioning andresourcemanagement,securityandprivacy.AparticularresearchchallengeistheQualityof Servicemetricforfogservices.Thus,thispapergivesasurveyofcloudcomputing,discussesthe QoSmetrics,andthefutureresearchdirectionsinfogcomputing. KeywORdS Cloud Computing, Cloud of Things, Fog Computing, Fog Service, IoT

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