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Cloud C#.NET ASP.NET BE-Engineering(CO/IT) ME-Engineering(CO/IT) BCS MCS BCA MCA MCM BSC Computer/IT MSC Computer/IT Diploma (CO/IT) IEEE-2016 IEEE-2015

CLOUD WORKFLOW SCHEDULING WITH DEADLINE AND TIME SLOT ALGORITHM

Three initial solution construction strategies, two greedy- and fair-based improvement strategies and a perturbation strategy are proposed.
Abstract-Synopsis-Documentation

CLOUD WORKFLOW SCHEDULING WITH DEADLINE AND TIME SLOT ALGORITHM

Abstract

Allocating service capacities in cloud computing is based on the assumption that they are unlimited and can be used at any time. However, available service capacities change with workload and cannot satisfy users’ requests at any time from the cloud

provider’s perspective because cloud services can be shared by multiple tasks. Cloud service providers provide available time slots for new user’s requests based on available capacities. In this paper, we consider workflow scheduling with deadline and time slot availability in cloud computing. An iterated heuristic framework is presented for the problem under study which mainly consists of initial solution construction, improvement, and perturbation. Three initial solution construction strategies, two greedy- and fair-based improvement strategies and a perturbation strategy are proposed. Different strategies in the three phases result in several heuristics.

Experimental results show that different initial solution and improvement strategies have different effects on solution qualities.

Module Description:

User:

1.     User Registration:

A registered user is a user of a website, program, or other system who has previously registered. Registered users normally provide some sort of credentials (such as a username or e-mail address, and a password) to the system in order to prove their identity: this is known as logging in

2.     Send Request

User can send the request for work schedule to the cloud service provider.

3.     Download Work schedule

Cloud service providers send the request to the User for downloading the work schedule.

Cloud Service Provider:

1.     Workload

Cloud service provider can load the amount of work.

2.     Work schedule

Work is to be assigned for the user.

3.     Authentication

User can authenticate for the available request.

4.     Send work

After authenticated the user, CSP can send the work to the User.

 

System analysis

Existing System:

An entire application as a service, which can be directly used with no change. (ii) Basic services are combined to build complex applications, e.g., Xignite and StrikeIron offer Web services hosted on a cloud on a pay-per-use basis [1]. Among a large number of services in cloud computing, there are many services which have same functions and supplied by different cloud service providers (CSPs). However, these services have

Different non-functional properties. Basic services are rented by users for their complex applications with various resource requirements which are usually modeled as workflows. Better services imply higher costs. Services are consumed based on Service-Level Agreements, which define parameters of Quality of Service in terms of the pay-per-use policy. Though there are many parameters or constraints involved in  practical workflow scheduling settings, deadline and time slot are two crucial ones in cloud computing, a new market oriented business model, which offers high quality and low cost information services [2]. However, the two constraints have been considered separately in existing researches.

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