Providing Light Weight Distributed Web Services from Mobile Hosts

AlShahwan, Feda; Moessner, Klaus; Carrez, François

doi:10.1109/icws.2011.87

Cited by 5 publications

(6 citation statements)

References 12 publications

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“…Offloading Web services has shown an increase in the MH performance in our previous work [25] over non-offloading. In our experiments [8], the distribution of resource intensive applications in both architectures is evaluated using simple String-Concatenation service.…”

Section: ) Experiments Environmentmentioning

confidence: 78%

“…Evaluation of mobile Web service distribution mechanisms compromises three distinct approaches: The first approach explores the performance gained from distributing mobile web service tasks, which has been analyzed previously using queuing theory [25]. The second one relies on examining service distribution with two different framework environments (SOAP and REST), which has been studied previously [8].…”

Section: Evaluation Of Distribution Mechanismsmentioning

confidence: 99%

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Providing and Evaluating the Mobile Web Service Distribution Mechanisms Using Fuzzy Logic

AlShahwan¹,

Carrez²,

Moessner³

2012

JSW

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Abstract-providing adaptive resource intensive Web services from mobile hosts needs to be done in a rather light-weight manner to allow continuous service provisioning. Processing and communication will drain the battery rapidly; hence both should be kept at a minimum. This paper describes the outcomes of an investigation into offloading and migration mechanisms that facilitate provision of adaptive and distributed mobile Web services. The investigation goes through three phases. The first phase integrates these mechanisms with the Simple Object Access Protocol (SOAP) and Representational State Transfer (REST) architectures producing extended mobile Web service frameworks. This phase is achieved by the implementation of a prototype that allows performance evaluation of both extended frameworks. The evaluation of the load and performance of the distributed services is taking place using resource intensive applications. The results presented show that basing distributed mobilehosted services on REST is more suitable than using SOAP as underlying Web service infrastructure. The second phase relies on the outperforming REST-based framework to examine four distinct strategies for mobile Web service distribution mechanisms. In the last phase, evaluation results of the second phase are interpreted as Fuzzy Logic rules. These rule sets are used to trigger and control offloading schemes.

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Section: ) Experiments Environmentmentioning

confidence: 78%

Section: Evaluation Of Distribution Mechanismsmentioning

confidence: 99%

Providing and Evaluating the Mobile Web Service Distribution Mechanisms Using Fuzzy Logic

AlShahwan¹,

Carrez²,

Moessner³

2012

JSW

Self Cite

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“…In such environments, services can be running virtually everywhere in the network. They can range from traditional web-services running in the cloud, to services running on computing nodes nearby users' in the fog [4] [5], or even on the users mobile devices [6]. Thus, workflows have become fully distributed business applications that need to coordinate and ensure the correct execution of their components running on heterogeneous nodes in the network.…”

Section: Introductionmentioning

confidence: 99%

“…However, up to ∼ 15 % of the responses take more than 5 seconds [12], [13]. As we already experience such problems in fixed infrastructure networks, it is anticipated that these issues will become even more important for mobile and pervasive environments in the future [6].…”

Section: Introductionmentioning

confidence: 99%

A cost efficient scheduling strategy to guarantee probabilistic workflow deadlines

Bach

Tariq

Koldehofe

et al. 2015

2015 International Conference and Workshops on Networked Systems (NetSys)

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Today, workflows are widely used to model business processes. A recent trend is to use them to model applications in heterogeneous, large-scale distributed systems. In such systems, many, possibly mobile, providers offer independent and interchangeable services that can be used to satisfy the different activities of a workflow. Due to varying server loads, failures, and changing network characteristics, the response time of these services is highly volatile. Thus, it is hard to ensure the timely and reliable execution of workflows depending on such services. A common approach is to invoke several services in parallel to increase the probability of success. This, however, can easily lead to overprovisioning and high cost when needlessly invoked services have to be compensated. In this paper, we investigate the search space between parallel and sequential invocation of services. We propose to invoke independent services staggered over time to ensure timely workflow execution at minimal cost. Evaluations show that our approach reduces the execution cost by up to 85 % while it guarantees to fulfill activity deadlines with 99.9 % probability.

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“…Finally, federation is the mechanism that is guardian for data retrieval and error handling. The approach used to apply offloading and migration mechanisms has been described previously in [2].…”

Section: Distribution Mechanisms Of Complex Mwsmentioning

confidence: 99%

Mobile Cloud Computing for Providing Complex Mobile Web Services

AlShahwan

Faisal

2014

2014 2nd IEEE International Conference on Mobile Cloud Computing, Services, and Engineering

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Abstract-Simple Web services can be provided directly from one mobile device acting as a server. However, complex services need a mobile cloud to provide computing resources and infrastructure to support seamless provision of its Web services in a light weight manner. Our approach focuses on the architecture of this mobile cloud, which consists of a set of collaborative mobile devices that relies on an Extended Mobile Host Complex Web service Framework (EMHCWF). The main building blocks of EMHCWF with their associated distributed mechanisms are defined and tested experimentally. Furthermore, the safety properties of mobile cloud infrastructure have been validated using formal methods that are based on process algebra.

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Providing Light Weight Distributed Web Services from Mobile Hosts

Cited by 5 publications

References 12 publications

Providing and Evaluating the Mobile Web Service Distribution Mechanisms Using Fuzzy Logic

Providing and Evaluating the Mobile Web Service Distribution Mechanisms Using Fuzzy Logic

A cost efficient scheduling strategy to guarantee probabilistic workflow deadlines

Mobile Cloud Computing for Providing Complex Mobile Web Services

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