Advantages and Disadvantages of Linux Hosting

Linux Hosting is one of the popular types of service, which is also available in Linux Cloud Hosting services as it is inexpensive and easy to use. However, most people do not understand why Linux is so popular among web hosting companies and webmasters. To choose an operating system for a web hosting plan is not easy, especially for those who do not have an adequate amount of technical knowledge about web hosting.

The Linux Hosting offers advantages for Webmasters who are interested in developing e-commerce stores, as well as amateur webmasters seeking a more customized solution. If you are interested in the pros and cons of Linux hosting, then you may want to consider the following summary of the advantages and disadvantages:

System Reliability

System reliability is definitely an advantage for Linux hosting. The Linux operating system is known to be reliable and easy to work. Since Linux is an open source software, it can be changed or corrected by any developer who has knowledge and willingness to do so.

Most hosting providers provide Linux hosting opt for that reason, because they can better support with an open source operating system. Linux is extremely flexible and comes in a wide variety of distributions that are suitable for a diverse range of webmasters and hosting providers. When it comes to compatibility and reliability, Linux is definitely the best.

When an error occurs in Windows operating system there is little that the hosting company can do but wait for a position at Microsoft. All this ultimately contributes to the low cost and availability of Linux hosting, which is often preferred that by hosting Windows hosting providers.

Compatibility

This point is for Advantages and as well as Disadvantages of Linux Hosting because the Linux operating system is compatible with anything that is not a Microsoft software. Microsoft has a monopoly of all the its software, and prevents any other operating system is compatible with Microsoft software. If you are planning to use Microsoft software for your web server, then you may want to consider Windows hosting.

On the other hand, the Linux operating system can be used to charge any other type of operating system itself, by using virtualization software like VMware. In fact, virtualization software can also be used within Windows to load Linux. However, if you do not have enough experience of web hosting to use virtualization software, then you may choose the type of hosting plan that includes an ideal operating system and suits your need.

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Cloud Computing for Financial Transactions ?

In money matters, perhaps, everyone will agree with the words : “Hands off my money”. Security in financial transactions is a necessary condition for their success. Privacy, of course, not a bad thing, but people are more inclined to trust their finances to those agencies that are able to prevent unauthorized access. The complexity of compliance with numerous legislative acts regulating the financial relationships, coupled with the need to ensure the safety makes the use of cloud computing in the financial institutions virtually impossible.

Nevertheless, Computer World magazine reported that some financial companies are considering the possibility of using cloud technology in their work.

The main reason that hampers the use of cloud computing companies such – is a lack of confidence in adequate data protection. The use of cloud technology instead of its own equipment company involves the credibility of third-party equipment and resources. However, those who rely on such technologies, are forced to trust not only servers, cloud hosting providers, but also the staff of the provider, as well as all the other companies (and thus their employees) who worked with them. In a sense, the use of cloud technology means “to entrust the work of outsider artist and as a consequence, also” trusted outsourced security and privacy. ” Moreover, in some cases, customers must rely on the provider and respect the relevant rules.

In the case of financial institutions that are accountable to both clients and government inspectors, such trust must be well-deserved. To date, these organizations do not consider cloud technology entirely credible.

Nevertheless, the cloud technologies offer tremendous advantages that many firms cannot ignore. Some companies and organizations are using cloud technology, either in non-critical systems or for testing.

Of course, this is a small, but nevertheless a step towards cloud computing. Such an approach, despite the limited use of a “cloud” systems that could facilitate adaptation to cloud computing and gradually develop credibility with staff and customers.

Nevertheless, regardless of whether firms get used and their clients with the idea of using cloud technology in more critical areas such as remittances, the latter will be given to government agencies.

Thus, despite its apparent or perceived advantages, the idea of using cloud computing in financial transactions may be stillborn, regardless of the views of relevant experts.

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All About Cloud Computing and Mainframes

In fact when it comes to cloud computing, a perception that first comes to mind for many is the huge data centers like Google, where hundreds of thousands of low-cost servers based on Intel, constitute their platform hardware.

But is that all companies can have these data centers? For me it’s clearly not. Even a large bank can not create and maintain multiple data centers with over 500,000 distributed servers. These corporate data centers operate differently from public clouds, because they need to keep certain internal controls and processes, whether by regulatory issues, whether in obedience to the auditing standards. On the other hand need to build a dynamic infrastructure, based on the concepts of cloud computing. Private clouds offer many facilities than public clouds, but operating internally to the company firewall. Clouds are made available and accessed only internally.


And in which hardware platforms should build its clouds?

Large corporations such as big banks are already using mainframes. And why not use them as a platform for its clouds?

Let’s think a little about it.

The new mainframes running legacy applications are not only based on Cobol, but processing efficiency programs with Java and Linux Cloud Hosting systems. A practical example is the CMMA facilities (collaborative memory management assist) and DCSS (discontinuous segments shared). The CMMA expands the paging coordination between Linux and z / VM at the level of individual pages, optimizing memory usage. With the DCSS, portions of memory can be shared by multiple virtual machines. Thus, programs that are used in many or all Linux virtual machines can be placed in DCSS, so that all share the same pages. Another interesting issue that affects the clouds built on distributed servers is the latency that occurs when programs are on remote machines to each other. In a single mainframe, it can have thousands of virtual servers, connected by communication memory to memory, eliminating this problem.

Mainframes naturally incorporate many of the attributes that are needed in a cloud as scalable capacity, elasticity (you can create virtual machines on and off without needing to acquire hadware), resilience and security. And not to mention virtualization, which is part of mainframes since 1967!

The automatic management of resources is already incorporated much of the software in the mainframe. In fact, System z Integrated Systems Management Firmware seamlessly manages resources, workloads, availability, virtual images and energy consumption between different mainframes.

Let’s now look at the load distribution. A mainframe can handle many more virtual servers per square foot than in an environment of Intel servers. The average space occupied by a mainframe to a cloud of thousands of servers can be 1 / 25 of what is needed with Intel servers. Furthermore, for each processor mainframes could put, depending on the load, dozens of virtual servers. Another consequence is that energy consumption can be around 1 / 20 of what would be consumed by thousands of physical servers.

A practical example: The cloud created by Marist College in the U.S., which in a four-processor mainframe operates more than 600 virtual machines.

In the economic aspect, the zEconomics, or economics of the mainframe (System z) may have a cost of ownership extremely advantageous. Java applications (which run on a specific processor called zAAP) and Linux (running on IFL processors) use processors that cost much less than usual processors that run the z / OS systems and legacy applications.

A final thought as automatic controls are already in the mainframe and because there are fewer physical components to manage the demand for professional management of the cloud may lie around 1 / 5 of what is needed in physically distributed systems.

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What is Cloud Hosting ?

Surely you’ve already applied Cloud Hosting based services, even without knowing it.

Two great examples are Gmail and Amazon.

The Cloud Hosting is a set of computers working as one, connected to a set of storage systems, all linked through hardware virtualization to ensure resources and security, and controlled by software that can move, zoom-time resources real as required Cloud. The teams go on / off if resources change Cloud, respond instantly to the actual demand.

If there is a hardware failure in a Cloud team, it detects it and move those resources to other computers instantly. If a server is saturated, the hosted VMs need more resources, the Cloud move those virtual machines, without interruption, with less load equipment into the Cloud.

With the Cloud Hosting, say goodbye to the old idea of renting a server and be limited to its resources. Farewell to large investments. Farewell to the stops for expansion. Farewell to hardware failures. Instead, the Cloud provides a service in which the hardware is irrelevant to the customer.

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Outsourcing Data Center For Cloud Services

The desire of large companies to implement data centers in India, and throughout the world, based on a desire to improve business goals. Outsourcing Data Center Services (DCS) in our country is a market that started to form relatively recently. It is assumed that changing crisis is forcing companies to adjust the IT strategy. Will this new trend to benefit, bearing in mind the general tendency to reduce costs and effective cost control? At the moment the market of commercial data centers is presented as the traditional telecom operators, and service providers. According to estimates of most analysts, the next two years will be very successful for the data center – they believe that data centers will become an investment destination.

The advantages of outsourcing data center services

As it is known, the construction and operation of modern data center is a complex technical projects requiring significant financial costs. It is for this reason, in varying degrees, have resorted to outsourcing data center. In general, these organizations working in the banking and enterprise sectors, as well as telecommunications companies. Commercial data centers provide, inter alia, service reservation counters and, therefore, allow for a smooth launch of additional computing power. An adequate solution in the case of the need for rapid scaling – the service equipment leasing: the customer will be able to quickly launch new IT services without the capital costs for the purchase of servers. During the economic crisis, the trend transfer of computing platforms in the commercial data center is only intensified. The fact that the cost to build even a temporary site, not only comparable, but usually far exceed the cost of the lease. In this case, the customer transfers the care of the maintenance on the shoulders of the landlord and his staff not to worry about routine maintenance and potential problems, such as failures in the electricity supply. Thus, the main advantages of outsourcing data center are:

  • A guarantee of quality equipment and engineering systems;
  • No large lump-sum investments;
  • As soon as possible access to IT DC resources;
  • Available channels of several operators;
  • Flexible packages outsourcing services;
  • A high level of competence of technical personnel;
  • Additional service support.

When selecting a particular data center, customers need to take into account characteristics such as availability, bandwidth communications, reliability engineering infrastructure, physical and information security.

Cloud Hosting Services

Renting in the data center rack space or server, the client uses and pays for, in fact, only for computing resource. Such a format is required by the market today, it is convenient and familiar for many companies. With virtualization infrastructure, data center customer service receives the scaled output that is already on virtual machines. The next step in becoming service provision capacity on demand and pay in fact – all of those options, which provides the so-called “cloud hosting services”. In the recovery period after the recession “cloud computing” are considered by many analysts as a way to optimize your IT. Recall that the term cloud computing generally refers to the technology of data processing in which computing resources and power to the user as a Web service. The user has access to its own data, but can not control and do not have to worry about infrastructure, operating systems and software itself, with whom he works. “Cloud computing” mean service approach to the many components of IT infrastructure.

Generally speaking, the “cloud web hosting” is a symbiosis of three technologies: virtualization, grid-computing and consumer demand. This is a really effective tool, which allows the one hand, to obtain the most flexible computing resources, and on the other – to optimize their costs. The three main layers of cloud computing are a SaaS (Software as a service – software as a service), Paas (Platform as a Service – Platform as a service) and IaaS (Infrastructure as a Service – Infrastructure as a Service). The most popular is the last service, as the infrastructure as a service, usually closer to a potential customer. In addition, IaaS involves the use of virtualization technology, which provides certain guarantees separation of infrastructure between the different customers of a “cloud”. The advantages of cloud computing are clear:

  • Opportunities virtualization resources if necessary
  • High Availability,
  • Easier administration software assets,
  • “Flexible” scale.

Generally speaking, the main difference between the data center is positioned to “cloud” services is that all the equipment should be automated. This requires appropriate software, which allows you to control all operations and consistently manage an automated manner that required the customer resource could provide a keystroke from the administrator’s workstation. Experts of “cloud data centers” should be “wide” profiled and to understand how all of the complex consistent. “Cloud” technology provides an infrastructure for the development of new activities through the integration of services rather than systems. They allow you to enhance the effectiveness of organizations and to provide new services as the company’s customers and its employees.

Security problems

Data center, network infrastructure and security – all play a key role in providing services to the cloud data, which now requires a much higher speeds and volumes than ever before. Although the requirements for information security tightened regardless of cloud computing, integrated network security is a basic requirement of both public and private centers of the cloud data. In contrast to the ‘closed’ data center, protected by a firewall, and rapid exchange of information with partners and customers, the traditional network perimeter is “smeared”. That’s why security is necessary to provide at any end point – whether the workplace in the office or mobile device. Experts note that one of the limiting factors for the development of cloud services is the uncertainty of the customer in the real possibility of the provider to ensure the security and business continuity. To realize the full potential of the cloud, large organizations need a complete, flexible and scalable suite of network security services on a large scale.

“Cloud” services require a reservation channels of communication and fault tolerance “cloud” platform can be achieved through placement of physical machines (which consume power “cloud”) in multiple data centers. Dispersing the risks, “cloud” provider will be able to provide its customers tending to zero as a simple resource – less idle time can not provide any single physical platform.

Cloud Prospects and Reality

It is believed that the potential audience of users to the cloud amount, above all, a company with an established IT infrastructure, which by means of a “cloud” will be able to more effectively address current challenges. As the economic recovery would appear more “startups” – all of them as potential consumers of cloud computing. A massive shift to “cloud” services predicts imminent failure of companies to create and maintain their own IT infrastructure in favor of “clouds”. Accordingly, it is expected boom in demand for data center outsourcing services, and suppliers have begun to actively develop appropriate proposals. After all, businesses often do not need an IT infrastructure itself, but a set of specific services, for which he is willing to pay, but do not overpay. Requests are more specific in order to quickly assess the efficiency, lower costs and thus optimize the performance, improve business continuity.

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