Data transfer is a big overhead for cloud workflows due to pay-as-use business model of cloud environment. In such environment, the cost arising from data transfers between resources as well as execution costs must also be taken into account during scheduling based upon user’s Quality of Service (QoS) constraints. In this paper, we present Priority based Genetic Algorithm BCHGA to schedule work...

The commoditization of IT services has reached a new quality with the growing use of cloud services. Based on overarching standards as REST, these services can be accessed on-demand via internet and billed depending on the actual usage at a defined service level. However, compared to other commodities as electricity, cloud services still lack a number of general standards regarding quality and ...

Zukünftig werden sich immer mehr Cloud Service Provider zu Cloud-Födera-tionen zusammenschließen, um zum einen gemeinsam mehr Services für die Kunden anzubieten und zum anderen ihre Ressourcen bestmöglich auszulasten. Grund-lage dieser Föderationen sind Service Level Agreements (SLAs), die die Güte der zu erbringenden Dienste zwischen den Anbietern untereinander sowie zwischen den An-bietern un...

The Cloud computing paradigm offers numerous benefits to both Cloud users and service providers. However, a lack of trust between these two stakeholders has delayed the worldwide acceptance of Cloud for outsourced facilities. In this research work, a trust management framework has been proposed for effective selection of Cloud providers to fulfil numerous Cloud users’ requirements in a reliable...

Cloud computing is a development of parallel, distributed and grid computing which provides computing potential as a service to clients rather than a product. Clients can access software resources, valuable information and hardware devices as a subscribed and monitored service over a network through cloud computing.Due to large number of requests for access to resources and service level agreem...

Cloud Computing is used for management of resources applications and information as services over the cloud. The resources used in Cloud are usually distributed as services. Cloud resources are majorly delivered to the customers in terms of services and the security here is implemented through the infrastructure security metrics via a Service Level Agreement (SLA). SLA is a legal framework betw...

Cloud computing recently became the key element of providing services via the internet. Cloud technology is new paradigm of computing where available computing resources are delivered as a service. These resources are generally offered under the concept of pay-as-you-use. Nowadays, some of e-commerce companies move to Cloud services. Cloud offers positive opportunities for ecommerce companies w...