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As the discussion on cloud computing becomes more intense, a clear issue that we will have is: within two to three years, many critical systems will be running on clouds Even big companies will adopt public clouds with greater intensity, creating hybrid clouds, with part of applications running on private clouds and public clouds in part.
CEOs, CFOs CIOs want to make more effective use of public cloud because the model has the power to reverse fixed costs into variable. Moreover, concerns about security and privacy, and a sense of loss of control of internal data, prevents companies change aggressively for cloud.
When the suspicion of security is unsuccessful, the issues to be resolved are the integration and interoperability between different clouds, and between on-premise applications that will run on private clouds. Companies do not want to get locked into a single cloud provider. Seek freedom to move between private and public clouds, and switch vendors according to computing needs, whether they are growing or shrinking. And then, governance of the environment in clouds becomes an additional challenge.
So remember: Having a strategy for adopting public cloud is critical so you should not try to implement it on projects, just to experience the model, without having clearly defined steps.
Choices of the cloud model will increasingly be made in accordance with corporate policies and characteristic services. Here are some cases of adoption of typical public cloud.
1. Development and Testing
One of the first solutions that the company should consider in public cloud is development and testing. In the absence of virtualization, application and database servers can occupy each physical server, with utilization levels of around 10%. Even with the virtualization, the machine can be under-utilized, since the data amount of test equipment in use is lower, compared to that generated during the production phase.
Test data can run these test and development servers, but should also be moved comfortably to the public cloud. In addition, you will only pay for the use. Agile development methodologies, code branching and continuous integration, which require a lot of code and versions, require a large number of application and database servers in parallel.
Moving all these equipment to public clouds makes sense, experts say. Not only the organization pays only when using the services, but network latency, storage costs and performance will also be less of a concern.
2. Platform Development Services
Organizations embrace the principle of DevOps [+ development operations], and increasingly use wire-frames, design, agile project management, automated testing tools and development platforms for continuous integration.
As noted, these services belong to the public cloud, making it easier for developers to eliminate them or request them when needed.
3. Servers Training
Servers training become easier to set up early in training and then can be returned to the end. They may also contain test data instead of real data. From a console, cloud provisioning tools can create or restore servers in the public cloud in minutes. These tools are also ripe for the creation of self-catering.
4. Big Data Projects
When The New York Times had to convert their entire files to PDF format, some years ago, used the public cloud. Opted for hundreds of servers and the job was done in just 24 hours.
If a large data project requires 10,000 servers and the work must be done in a few days or even hours, then public cloud may be the right choice. That’s because it cannot make sense for any organization to buy many physical servers, even if they are virtual.
Company Info, product photos, pricing information, brochures and other content are often hosted in the public cloud. The level of security and privacy in a public cloud may be more than enough to pass the information to the public.
6. Customer Relationship Management (CRM)
CRM tools which are already in the cloud should work fine on the public network for client management and prospecting. Usually, they are not strongly integrated with other systems, email, sales and purchase management, making it more easy to migrate it to the public cloud.
7. Projects, Expense Reports and Time Management
As like CRM, these three support applications can smoothly jump to the cloud.
However, if the organization is concerned about the safety and privacy of data, sales and finances can limit the data to a private cloud infrastructure, while reports of project management, time and expense management applications go to the public cloud.
Thus, the company can release a large amount of servers in a private cloud for mission-critical applications.
For years, large companies use cloud-based email services to store old messages. Now, it’s only a matter of time before all the emails from companies move towards the same direction, especially for those who use Microsoft Exchange, Zimbra or Office365 servers.
9. Human Resources
Move few applications used by the company to the public cloud frees resources of private cloud for production and other uses. The management of recruitment, benefits administration and HR applications are natural candidates for public cloud.
10. Antispam and Antivirus
Many organizations use cloud services that perform anti-spam and antivirus filtering. Even though these services are hosted by the organization, it may be appropriate to send them to the public cloud.
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Cloud Storage Data Center - The model for online storage where data is stored on multiple distributed servers in the network of data centers, provided for use of customers, mainly third party. In contrast to the model of data storage on their own dedicated servers, leased or purchased specifically for this purpose, or any number of servers, the internal structure of the customer, in general, is not visible. The data is stored and processed in a so called cloud that represents from the point of view of the customer, one large virtual server. Physically, these servers can be located remotely from each other geographically, down to the location on different continents.
The customer pays only for the storage capacity that is actually used, but not for server and all the resources that are not be used. Client does not need to engage in the acquisition, support and maintenance of their own infrastructure for storing data, which ultimately reduces the overall cost of production.
All procedures for redundancy and data integrity are produced by the provider of cloud center, which does not involve the client in the process.
Safety during the storage and transfer of data is one of the main issues when working with cloud, especially with regard to sensitive, private data. Overall performance when working with data in the cloud may be lower than that when working with local copies of data.
Reliability and timeliness of data availability and the cloud is highly dependent on many intermediate parameters, mainly such as data channels on the way from the client to the cloud, the question of the last mile, the question of the proper quality of the ISP client, the question of accessibility of the cloud at a time.
A technology that can be used for more convenient presentation of cloud client. For example, with the appropriate software, storage in the cloud can be presented to the client as a local drive on his computer. Thus, work with the data in the cloud becomes completely transparent for the client. And if there is a good, fast connection, the cloud customer may not even notice that he is not work with local data on his computer, and with the data stored, possibly many hundreds of miles away.
A new technology that is having a big highlight is the Cloud Computing. This type of technology simply allows the users to control applications and have access to their personal files using any computer that has internet access. Cloud computing allows the user to have more control with efficiency in computing technology, bringing together memory, storage, bandwidth and processing.
Gmail and Yahoo are good examples of cloud computing, since there is no need for software or a server to use them: The only kind of software or hardware that you need is an internet connection. The management and the e-mail server are on the internet and can be managed by Google, Yahoo or a similar services like zimbra email hosting, the client can use this type of software and enjoy the benefits of this solution.
There are three divisions within cloud computing. They are: Applications, Platforms and Infrastructure. Any of these services offers a different results for companies and individuals around the world type.
The benefits of using this technology have helped to reduce costs for many companies, as they do not have to deal with maintenance costs, licenses and hardware needed to run it on a local server. Companies are more likely to perform this more productively from a broader perspective within the computation.
This technology allows end users to get applications that are centralized on servers, serving as a bridge linking the application directly to the user.
This is like the center of the whole concept. It allows the user to build applications: such as Google docs.
Cloud computing is a great way to save money, considering that this type of technology ensures practicality and versatility for systems in most of the large and small businesses.
The term cloud computing came from the fact that computing has changed much of its focus. Nowadays, for example, people are not as worried about buying a super computer (the powerful super system – speed, memory, processing) as it was the dream of most time ago. The case is that the needs have changed and thus people have adapted to them. All give preference to practicality, which explains the huge rise to devices that have greater mobility and portability.
Sure it’s not the end of computers, there are many people who need more power for different destinations, but as almost everything is based on the Internet, common users can do with machines that have a better cost benefit for consumption.
So cloud computing is based on the use of memory, storage capacity and calculation between computers and servers that are shared across the internet. Thus, all data can be accessed from anywhere in the world, and you can have space for personal files (photos, texts, videos and music) and no need to install software, since the software will be available in online mode.
There are risks for companies that develop them (Microsoft, for example), operating systems, these manufacturers need to adapt and try to contribute to the “cloud technology” – migrating to web and creating online machines – not to lose audience and not have future problems.
The computer prices fall, so as also the cost of the Internet.
A company that is already well ahead of the research on this subject is Google. It manages to integrate a lot inside their system, examples:
Transitions by definition are complicated. In nature, a transition can take thousands of years and extinguish an ecosystem, an organism or even a species. Today the market of Information Technology undergoes one of its biggest transition since the mainframe era to lower platform. For the first time, a revolution occurred out of the company, with technologies such as broadband and smartphones democratizing access to information and bringing new paradigms.
One of the biggest tentacles of this “user revolution” is the advent of cloud computing. Services that were previously only possible for large corporations are available to small and medium-sized businesses, professionals and consumers with competitive prices.
Now, a small business can have a server running the latest version of the most powerful email software, allowing a group of employees can easily access documents, appointments, and files via any Internet-connected device with small business cloud hosting plans.
To adapt to this new reality, the IT professional needs to change the way they sees the demands. For them, it does not matter what software is used and where it is located or, in the cloud or on a local system, what really matters is the data. Following this way, the service will be better and more agile, enabling IT to control the whole process of information security, regardless of the method of user access, either by smartphones, tablets, desktop applications or web services. Thus, the Information Technology business area will help to face the new market challenges.
In the short term, some markets may not adopt cloud computing. Sectors where information is highly confidential as the financial market and security agencies tend not to use the Cloud Computing. For these markets, the cloud brings more questions and doubts than facilities. However, these companies can make use of “private network” or “private cloud“, which is a secure, managed by IT, and without access to the public Internet. Already initiatives are found in the market in this direction.
In the age of the user as King, IT needs to show that it is ready for the battles that will arise.
Despite the fact that we spend so much time discussing a variety of cloud services, in most cases we contact directly with the part of them, which it comes not so often. Ordinary people, ordinary computers, ordinary tasks. Yet the main purpose of the service, which can have a huge array of additional functionality – synchronization and file storage. This would seem elementary, basic tasks, but they are executed 90% of the time. And if they are not implemented as it should, then it cannot reach to the rest of the business.
Though it may seem that all modern services now handle such tasks satisfactorily, it is not always. Lost when you synchronize files, because the algorithms perform basic operations have been developed for a long time, but it still happens. Take at least iCloud, which combines closeness to the user with a bad API. Its users regularly face loss of files, especially when synchronizing large amounts of small files, which often presents a difficulty for other services. Even the popular service failures occur. Still it would be interesting to compare the speed of synchronization of data between different devices on different services.
In the end, synchronization – this is the main task of the service and you work on multiple computers with different operating systems, then you lack the speed and synchronization failures are the most important factors when choosing a service (other than the available free space, added functionality, and so on).
For comparison, I chose the most popular services – Dropbox, Google Drive, Microsoft Skydrive and Box.net. At various times I had to use all. Each has its own unique advantages – online documents, the ability of streaming music and video files and so on. But I was interested in just basic synchronization capabilities – how quickly synchronize files, whether lost, and what is the scatter in the results?
I ran some tests with all sorts of different types of files – large files, arrays of small files (look, for example, arrays of photos) heterogeneous sets. In the process of testing a very large role unpredictable factors, so each test was repeated 10 times. The difference between the measurements sometimes fit into the margins of error was sometimes very significant. During testing, I realized that, not only peak rate is important, which can show a particular service, but also the stability of the results. Simply put, it is not the one who is sometimes the fastest, but the one who never turns the slowest. Synchronization Sometimes the same set of files lasted 10 seconds, sometimes minute.
Cloud Data Storage Services
Dropbox - Old resident of cloud movement did not even think to give up – despite the miserable as by today’s standards, the amount of free space issued, Freemium model for this service is operated by a large user base and competently made the referral program. In addition, with simple operations, there are also trained users working with some advanced features of Dropbox, you can easily bring the volume to 5 GB standard. There are also paid plans, but they are by today’s standards, a little expensive. But the high cost is offset by the efficiency of Dropbox. The sync is faster than its competitors, in most cases, but more importantly, it has almost no failures in performance when the speed drops to almost zero (and LAN Sync feature allows faster synchronization is even greater). Cases of loss of files is not never seen. Everything just worked without any glitches on all computers, whatever OS on them has not been established.
Once again, Dropbox has users on all popular operating systems – OS X, Windows and different versions of Linux.
Also popular because this is the only service that offers the client under Linux and under different distributions.
Google Drive Service, actively promoted by Google, along with the rest of the package (no word on G+). Drive, however, is popular – not least because of the office suite, Docs, which has not disappeared and continues to supplement Drive. Although it does not edit the files in Word, yet its presence is a big plus. Another plus is the union Warehouse Drive, Gmail and Picasa, giving a total of 15 GB of free space, which is more than any of its competitors in the popular services (various auction offers not taken into account), although the actual amount available will depend on how actively you use the mentioned services. Also, use Drive for file sharing still less common than Dropbox. Drive worked slower than Dropbox, but the second place was occupied stable. Lost files was not apparently an error in synchronization that early users had bothered to remove. Drive a client for OS X and Windows. Client for Linux for several years now is in “limbo” state, and the client for Windows likely cannot wait due to the escalation of the conflict with Google and Microsoft.
Microsoft Skydrive promoted as an integrated solution, which should be the link for all Windows-based computers, this service is deeply integrated in the latest Windows 8 and Windows Mobile OS 7/8. In these OS Skydrive automatically saves not only the user data, but also, for example, the data for the system recovery in case of failure. That is iCloud, but more open and friendly to other platforms – there are apps for all mobile platforms and OS X. Free 7 GB available, but some people who have used Skydrive for a long time can get a free bonus and increase the volume up to 25 GB. Prices for extra space is very democratic. Skydrive In testing showed the third result – despite periodic “sprints” averages were lower than those of competitors. In addition, the service periodically “hang out” and stop synchronization. Restart the service could only be “killing” the process and run it manually – it is clear that a normal user would have to restart the computer.
Box.net – perhaps the only competitor to Dropbox number of services that do not belong to the giants of the IT industry, and thus having a major stake in the market. They divided the market niches – Dropbox mastered on consumer market while Box.net won corporate. Now both had outgrown the old framework and they encroach on the territory of a rival. Most recently, a desktop application for synchronization in Box.net offered only to paid subscribers, but the service is now open to all comers. Free standard space – 5GB, but much of the non-business user accesses the Box.net service because it generously distributed free place on a variety of actions associated with mobile devices. So you can get up to 50 GB of free space, but with restrictions. For example, the maximum upload file size is limited to 250 MB for free accounts. Clients are available for Windows,and OS X Unfortunately, the results are not too encouraging. Stable low speed, and besides loading periodically interrupted, and then scans the entire application again synced folder, which can take considerable time if the folder has a large volume.
Testing for all services give strange results when saving Word files (or any other) who were in the process of editing. Sometimes dubbed file, sometimes appeared more files with the same name, except that it always starts with “~ $”. Subsequently, these files disappeared. In general, the test results show why many users, including myself, still use the services of Dropbox despite the fact that competitors offer more space. In practice, to store the most important files you need is not so much space but reliability and speed come out on top. And here Dropbox is still an advantage.
Few Tips finally that apply, no matter how you use the service:
In the advisory opinion, the promotional discourse exaggerated around cloud computing has introduced a lot of confusion about the concept. IT departments need to be careful to avoid this ‘hype’ and, instead, should focus on deploying private cloud computing platform which make more sense for the company effort.
The same denounces five misconceptions detected in the IT industry:
Just have virtualization
Equip a server with a hypervisor is not the private cloud computing. Virtualization is a key component that allows the creation of a repository of resources to be easily accessed. But it must still ensure other self-service features and expandability features.
It serves always to save money
One of the biggest misconceptions is that IT experts believe that with cloud computing they will save money. It may be true in many cases, but this is not a universal truth. There is no guarantee of cost savings. Deploy automation technology to have a private cloud can be a significant investment for many IT budgets. They may gain the ability to redistribute resources more efficiently. And be able to reduce their capital expenditures in access to new hardware. But Gartner says that the main benefit is the increased agility and the ability to dynamically expanding.
Is always indoors
Many people associate a private cloud as that housed in the data center of an organization, behind a firewall. This is a half truth. And many manufacturers try to sell private cloud without features “multi-tenant”, with resources dedicated to a single client, and without sharing resources. A private cloud is not defined by the privacy afforded by the location or ownership or management or responsibility. Some vendors may, for example, outsource their data center operations from a client to a secondary facility, or pool resources of clients, but separate them using VPN.
Infrastructure is only a platform for private cloud that is often regarded as the virtual infrastructure service. But there are other private cloud deployments, particularly in software and in many other ways. IaaS segment may be the fastest-growing cloud computing market but it is not necessarily most important.
It is always private?
Adopting a private cloud platform is the first natural step for many organizations. But with the evolution of the cloud market, IT departments will better accept the idea of using public cloud providers resources. Levels of service and safety precautions should mature and impact of outages and downtime will be minimized.
Gartner predicts that most deployments of private cloud will be in hybrid clouds.
Adopting cloud computing is no longer a matter of whether or not to adopt, but rather when and with what intensity and speed it should be adopted. This pace will depend, among other factors, the degree of maturity of the company and its IT department, its positioning strategy in the market, the degree of adherence to innovations and, of course, also external aspects such as availability and capacity communications infrastructure that meets the company requirements. The IT department must lead this process and, therefore, analyze the risks involved at your own risk. The success or failure of adoption of cloud depends on how well it is designed and executed.
A few years ago, cloud was curiosity and it is natural that the cloud providers themselves are still in various stages of evolution and maturity. As the word cloud has become a hype, any service provider began to show the market as a provider or expert in cloud offerings. Thus, hosting and colocation providers, from one day to another, become cloud providers, changing only the advertising of their offerings. The cloud offered by them is still hosting or colocation. Companies on-premise software become SaaS providers simply creating instances of your application on an external data center. It is the old ASP (remember?) Masquerading as SaaS. So while cloud is an inevitable trend, the path to it can be a bit rocky …
How IT should act? To Draw a cloud strategy, is a key. This involves defining which applications will go to the cloud, following their migration, and whether these are private or public clouds, or even if both solutions coexist interoperating. The strategy should define where to start. For minor applications? Or for that are more independent and do not require interoperability with other? Or by seasonal applications? Finally, each organization should define its own strategy.
For example, an ERP is a lot of demand characteristic interconnection with various other applications. Take it to the cloud means that these interconnections have to work satisfactorily. And where are these applications? In the same cloud ERP or other clouds? Or continue on-premise? An important and often almost forgotten factor is that, most often, we look at the very low processing costs offered by cloud providers, but the costs of connection (communications) can be high if the volume of data exchanged to maintain interoperability between various applications in cloud and on-premise is very high.
This is a scenario that most medium and large companies will have to endure for long. It will be very difficult to migrate to cloud computing in the Big Bang model. It is a gradual process and therefore the coexistence of this complex and interoperable environment must be considered in the migration strategy.
Migrate to a public cloud does not mean giving of IT governance. This, however, becomes more important. The IT department no longer worry about issues such as installing new operating system release, but must keep track of the level of service performed by the cloud provider. The roles and responsibilities exist today in IT should be redesigned to be distributed and shared between IT and provider.
The choice of cheap cloud server hosting is another important variable.
Hardly a company born and raised by B2C optical can turn into a successful B2B.
The cloud strategy should involve other areas beyond IT. Risk Management, audit and legal are some examples. Issues such as sovereignty of the data, ensuring adherence to industry regulations which the company operates, the issues of audit trail, issues concerning migration of data and applications in case of exchange of the cloud provider, are among factors that IT will need much support. There are also legal issues regarding the use of current licenses for on-premise software in external clouds. The contract with the provider’s own demand variables, the on-premise model, need not be considered.
An example: If you terminate the contract with a cloud provider, your data will still be stored in it. What conditions and technologies it offers so you migrate to another provider? Or the provider changes, without notice, its data from a best data center located in your country to another country, creating a regulatory inquiry. Anyway, are variables that the IT department does not have enough to act autonomously expertise.
The migration process is an important element. Will be treated as any flaws in the operation? Who will be responsible? What is the role of the provider and its IT in every aspect of migration? An important and should be carefully analyzed aspect is to capitalize on the potential of certain public clouds, you will be required to use specific technologies and APIs, which can create a lock-in and substantially delay or any change of provider. Some cloud providers keep under wraps its technology and access to their data centers. This can create complications in case of need for forensic investigations and audits.
Cloud computing is not magic. You, adopting a public cloud, is transferring its hardware to software. You will only see virtual servers. But these virtual servers need the data centers of the cloud provider. Your limit is the limit of the provider. Generally, this limit is infinitely greater than what most companies have in their data center, but even so, some care must be taken. Do not forget that a cloud provider, for profit, need to share the most of their physical resources among its customers. Eventually, you may encounter bottlenecks arising from this share, as interference from other customers who cohabit the same physical servers that make up your virtual or sharing of storage and networks that connect these server machines applications. And the ever-present bottleneck, here in India, the limitations of our broad bands.
Therefore, the IT department has a very important role in the design of cloud strategy. Should lead the process and not be driven by it. Otherwise, when problems arise (and always appear), will be forced to chase the game. Thus, it is fitting that the lead and creating policies and practices of adoption and use of cloud computing.