Scheduling of Workflows under Resource Allocation Constraints using CTR
نویسندگان
چکیده
منابع مشابه
A Logical Framework for Scheduling Workflows under Resource Allocation Constraints
A workflow consists of a collection of coordinated tasks designed to carry out a welldefined complex process, such as catalog ordering, trip planning, or a business process in an enterprise. Scheduling of workflows is a problem of finding a correct execution sequence for the workflow tasks, i.e., execution that obeys the constraints that embody the business logic of the workflow. Research on wo...
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Research on specification and scheduling of workflows has concentrated on temporal and causality constraints, which specify existence and order dependencies among tasks. However, another set of constraints that specify resource allocation is also equally important. The resources in a workflow environment are agents such as person, machine, software, etc. that execute the task. Execution of a ta...
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Workflow concepts are well suited for scenarios where many distributed entities work collaboratively together to achieve a common goal. Today, workflows are mostly used as computerized model for business processes executed in instances in commercial Workflow Management Systems. However, there are many other application domains where computersupported cooperative work can be captured and organiz...
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We investigate the problem of scheduling tasks in a cloud computing scenario that involves a queue of workflow instances whose arrival into the system is governed by a stochastic process. We assume that each instance conforms to the same, known structure, expressed by a directed acyclic graph. Within this job model, the precise execution time of each atomic task and delay of each communication ...
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Many present-day microprocessors have ne grain parallelism, be it in the form of a pipeline, of multiple functional units, or replicated processors. The eecient use of such architectures depends on the capability of the compiler to schedule the execution of the object code in such a way that most of the available hardware is in use while avoiding so-called dependences. In the case of one simple...
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ژورنال
عنوان ژورنال: The KIPS Transactions:PartD
سال: 2006
ISSN: 1598-2866
DOI: 10.3745/kipstd.2006.13d.2.191