Cloud Coumputing

Cloud Computing

Hey guys in this article, I am Techno Suraj going to explain you about cloud computing in detail. Knowledge to land and build cloud computing infrastructures these are the topics involved in these sessions and links related to these sessions are mentioned in the description below.

Topics:

1.  Why IT companies are transforming to cloud computing

2.  What is cloud computing

3.  Why do we need cloud computing

4.  Types of could computing

5.  Advantages & Disadvantages of cloud computing

so please refer those links that would be easier for you to understand this session much better from basics. “If you feel something I have missed or you wanted to know more about something else please leave your comments”.

                    Why IT companies are transforming to cloud computing today IT companies around the world are looking for system and its service availability for one hundred percentage of time at the same time they are focusing to reduce the cost considering that all IT companies will have the following changes to achieve the requirement which are scalability, efficiency availability and management. One solution we have in the current technology for that is cloud computing this is why the IT companies are moving to cloud scalability efficiency availability and management.

                    What is cloud computing let me give you a small value of it cloud computing means a type of internet based computing where different services such as servers storages switches and applications services are provided for you as a service by another company and access over the internet with many additional advantages, in other words I would say cloud computing is providing developers and IT departments with the ability to focus on what matters most and avoid undifferentiated walk like procurement maintenance and capacity planning. This is the introduction of cloud computing.

                    Now let's see why do we need cloud computing normally when we buy a new service for a infrastructure that has to be in the datacenter with proper rack mounting and good power source for this lot of efforts involved in buying a service, procurement installation, configuration patching the service regularly and setting up in the network and maintaining the infrastructures. This is more expensive and require more efforts but when you go with cloud everything comes as a service for you very easily, it is more cheaper, more effective and much faster. So no need to focus on the hardware and maintaining the infrastructure. We saved lot of time and money the best part over here is often visualization technologies are used to maximize the power of cloud computing.

                    Let me give you a few example that will give you a clearer idea of cloud computing. Example one you started a new company your new company has a website which is hosted on your server over a period lot of users, clients are visiting your website at the same time. Which causes a poor performance or encountering the problems. So you will lose your website popularity and business productivity how this can be fixed by increasing the memory CPU and other resources to accept the load. It should be the capable to accept, all the incoming loads. This is again going to be a big task but when we have hosted our website on cloud online we can scale up or scale down the resources. When we need, which we call it as on demand we can scale up and scale down the resources, when we need it on demand this is also an example why do we need cloud computing.

                    Now another example is let us say new project has come to you and you plan to buy some servers for the new project to develop some programs that project will be get finished in three months, offer time so is this a good idea to buy a service only for three months what will you do with that server after the completion of the project that is going to be ideal but here in cloud. We buy the servers as a service for the period and this can be extended if need and we pay only further use which means pay-per-use again this is why we are going for cloud computing. Hope you have got an idea why do we go for cloud computing

                     Now types of cloud computing is usually described in two ways, cloud deployment model based on Cloud location and the services they offer. So these are the two base we can describe the cloud computing one is based on the location and the service they offer each type of deployment method and cloud services provides you with different levels of control flexibility and management.

                    So understanding that difference between these will help you to decide what set of model and services are right for your needs. let's see these types in detail based on the  - cloud location. We can classify the cloud as public cloud, private cloud, hybrid cloud and community cloud. Public cloud the cloud computing infrastructure is hosted by the cloud winter at the vendor location not in your organization the customer has no visibility and the control over where the computing infrastructure is hosted in which a service provider makes resources such as application storage available to the general public & over the Internet public cloud services may be free or offered on a paper usage model. As it only before paper usage model the computing infrastructure is shared between the organizations. So we call this as a public cloud examples of public clouds are Amazon, IBM, blue cloud, Sun cloud.

                    Windows assure now private cloud the cloud computing infrastructure is implemented within the corporate firewall, which means private between the corporate firewall under the internal IT department and not shared with other organization. Some experts consider that private clouds are not real example of cloud computing. Private clouds are more expensive and more secure, when compared to public clouds. Because internally IT departments are going to manage these private cloud again private loads are of two types one is on-premises private clouds and externally hosted private clouds because other winters also providing these kind of private clouds which is hosted externally. So externally hosted private clouds are also exclusively used by one organization but are hosted by third party specialization in cloud infrastructure externally hosted private clouds are cheaper than on-premises private clouds. Building a private cloud is often the first step in cloud computing for many organizations there are 24 vendors in the current market and platforms and service providers. You can research for your own private cloud project some are Amazon which private cloud Cisco cloud Citrix IBM Open Stack cloud and these are some of the project you can use. It to build your own private cloud now hybrid cloud organization may use critical applications on private cloud and application with relatively less security concern on the public cloud, which means the combination of private and public key hood is hybrid cloud. The usage of both private and public clouds together is called hybrid cloud. A related term is cloud bursting in cloud busting organization used their own computing infrastructure for normal usage but access the cloud using services like Sales force cloud computing.

                    If you have a prior knowledge on system administration spot and hard words used in the data center and its purpose like stories service nattering devices like switches and routers all together is data center and basic knowledge on visualization. Technologies could be in good advantages to land or build cloud computing oriented architecture, because these are somehow related to work with cloud computing platforms. We can land cloud computing from the base even if you don't have a skills on title as I told it before virtualization technologies plays a very big important role in terms of cloud computing. It's not like that you have to go and create a new virtual machine as we do normally in virtualization environment like VMware which will box and this other hypervisor software's but at least know some virtualization terms to become a good cloud computing administrator. Many providers are available nowadays in the market to build the infrastructure like Amazon Web Services, Microsoft, Azure, Google compute engine and Rack space cloud for infrastructure as a services and also like sales force. Microsoft, Azure, Google App Engine are available for platform as a service so you can use them for a trial version to practice yourself to become a good cloud admin and we wish you all the best for a carrier.

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You can find Cloud computing software below:

1. MasteringCloud Computing Paperback
2. Cloud Computing: Concepts, Technology & Architecture
3. Cloud Computing Black Book