The relationship between cloud computing and soa is

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The relationship between cloud computing and SOA is very close. There are main relationships between cloud computing and SOA [11]: 1. Both of them share concepts of service orientation. Services of many types are available on a common network for use by consumers. For example, large-scale online storage can be procured and automatically allocated in terabyte units from the cloud. 2. Both of them count on a robust network to connect consumers and producers so that they have the same foundational structural weakness when the network is not performing or is unavailable. 3. Both concepts require forms of contractual relationships and trust between service providers and service consumers. Reuse of an SOA service is an “outsourcing” of capability. With cloud computing, the outsourcing is more overt and often has a fully commercial flavor. 4. Both of them provide an organization with an opportunity to select common standards for network accessible capabilities. Furthermore, SOA is important to cloud computing because of the following reasons [12]: 1. it’s an architecture deals with the information systems using mechanisms to make them work and play well together. SOA provides a framework that makes this much easier to understand and to manage as a process. 2. in order to take the advantage of cloud computing, interfaces and architectures are need for accessing cloud computing resources. SOA allows addressing systems as sets of services, and cloud computing provides the ability of using cloud-delivered resources.
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Since cloud computing provides IT resources (for examples, storage, database, application development, application services and other else) which makes the ability to extend the SOA for seeking the benefits of cloud computing since SOA focuses on the problem of making systems integration more efficient. Both of them result much cheaper and more efficient to use these resources as-a-service compare with buying more hardware and software. In other words, Successful SOA must be cloud-based and successful use of cloud computing requires SOA. Conclusion Cloud computing and Service Oriented Architecture have a underlying concept in nearly 20 years ago and it has developed rapidly because of the popularity of the internet. The definition become more complementally and many computer analysts have done the research on these. Cloud computing refers to applications and services offered over the Internet. SOA is a paradigm for organizing and using distributed capabilities that may be under the control of different ownership domain. It provides a uniform means to add, discover and use services. To conclude, cloud computing and SOA are complementary activities and both play important roles. Cloud computing's platform and storage service offerings can provide a value-added base for SOA efforts. SOA cannot replace Cloud computing or the use of distributed software components as an integration technology. The have to support broader and more consistent integration of systems will continue. The trend toward SOA and cloud computing has many of the same drivers, such as enterprise portfolio cost reduction.
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