cloud computing

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Relationship Between Cloud Computing and Virtualization

Cloud Computing is a technology, used by several companies who wants to reduce costs, and have access to programs and applications which are not physically installed in their computers or servers. The concept of electricity maybe compared to how this technology works, although the consumer does not know where, and how the power is produced, consumers still have access to power whenever they need just by plugging in an appliance and turning it on. This concept is almost the same as cloud computing, but the main kind of communication used with this technology is the internet. Cloud computing as defined by NIST or National Institute of Standard and Technology is a technology that provides scalable IT capabilities that are offered as services through the internet for multiple users, many users will then share pooled IT resources reducing costs and resulting to greater computing efficiency.

Think of it this way; a company that uses computers will need several systems to provide services, communicate and store information, this also means the more computers you have the more software licenses, servers and storage devices would be needed as your company grows. Behind all these are several people working all day long to make sure that servers, applications and storage devices are working properly and updated. The company will also then need spaces to store these servers and storage devices, and to prevent overheating you will also need cooling appliances which costs money. With cloud computing several of these procurement are taken off. If these company use or migrate to cloud computing they will just need the computers and sometimes a single server to run the business smoothly. All the other computing needs are then outsourced to the clouds, which are servers and storage devices in different locations which can be turned on or off depending on the company’s computing demand. No more expensive software licenses, no more need for several servers and support people to maintain all these. This company will then pay the cloud computing provider as they use the services, it’s like taking a cab and paying through the meter.

Virtualization is a technology which helps companies and individuals to utilize their computers, applications, storage devices and servers more efficiently. This can be defined as running multiple instance of something (Operating System) in something (Computers) when it is only designed to run one instance. There are different types of Virtualisation. Server Virtualisation – Is a type of virtualisation that consolidates multiple physical servers to virtual servers and is then ran on a single physical server. Application Virtualisation – an application is ran on another host where it is installed and is remotely accessed from a different computer. Example of which is desktop virtualization, Presentation Virtualization – runs on a met frame like Citrix, the application is then run in a different host however can also be seen on the clients screen. Network Virtualization – This type of virtualisation uses the network in a carved up way, which can then be run on multiple purposes, through the switch, NIC’s, VLAN’s, storage devices and other devices that can control a network Storage Virtualization – means your storage devices is then consolidated and managed in a virtual storage device, The servers where this is connected to is unaware of the physical location of the virtualized storage device.

Cloud Computing and Virtualization are two different technologies that are most of the time interchanged. These technologies will work without the other. Although, cloud computing is better utilized if desktop Virtualization is done first since most Cloud computing requires multiple virtual servers and storage devices to work or what you may call multitenancy. Virtualization on the other hand, enables a business or an individual to save on their computing needs and resources by making virtualized version of a physical resource in the same resource. For example server A, is only utilized by 30 percent most of the time and server B is utilized only by 50 percent, These two can be combined together by making a virtual server A in server B and therefore not physically using Server A anymore. This means that you save money and resources by eliminating server A from the equation.

Deeper explanation of Server Virtualization

Virtualized servers in a physical server run side by side in the same environment without compatibility issues, because these virtual servers are isolated and are then encapsulated with different layers. From Hardware layer, Virtualization layer and different environments such operating systems and applications. in Hardware layer each virtual server has a dedicated memory, hardrive and processor allocated for it in the physical server. Just like it is an operational Physical server. Most of the time Virtualization converts 20 physical servers to one by turning nineteen of these to physical server into one virtualized server instead.

Cloud computing on the other hand, uses resources that you do not have physical access to, these resources can be servers, applications, operating systems, storage devices and so forth. When you say you compute through a cloud, that means your computing resources are outsourced to vendors while you pay these providers for what you use. Unlike, if you use the conventional computing then you will need all the equipments, people and software for everything to work without problems. Cloud computing means that these resources are then provided to you by a company without you worrying about maintenance, space for your equipments and software licenses because your cloud computing provider will take care of it. All you need to do is log in to your computer, monitor your usage release or employ more servers depending on your computing needs.



Source by Nino Sherwin P

History Behind Cloud Computing in Healthcare

Cloud computing has come a long way across various phases. Clients can utilize web-based tools or applications through a web browser just as if they were programs installed locally on their own computer. Healthinformatics the wiki of Florida State University says “The term ‘cloud’ was coined as a metaphor for the Internet which originated from cloud figures representing telephone networks, then later followed by depicting Internet infrastructures in computer network maps/diagrams.”

Going back in time, we had the grid and utility computing, the application service provision (ASP), and then Software as a Service (SaaS). However, if you look back, the true concept of delivering computing resources through a global network is really rooted in the 60s. In the year 1969, J.C.R. Licklider through his article Intergalactic computer Network enabled the development of ARPANET (Advanced Research Projects Agency Network). He seemed to project a vision that everyone on the globe be interconnected and access programs and data at any site. Others give credit to computer scientist John McCarthy who proposed the idea of computation being delivered as a public utility.

Since the 60s, cloud computing has evolved over a timeline. Web 2.0 being the most recent evolution. Point to note here is, the Internet only started to offer a significant bandwidth in the nineties. Hence cloud computing for everyone has been something of a recent development. If you have to trace a timeline it looks somewhat like this:

1999 – Salesforce.com (delivering enterprise applications via a simple website)

2002 – Amazon Web Services (providing a suite of cloud-based services including storage, computation and even human intelligence)

2006 – Amazon Elastic Compute cloud EC2 (allowing small companies and individuals to run their own computer applications on a commercial web service)

2007 – Google Docs (Web-based office suite, and data storage service)

There are several other factors that have enabled cloud computing to evolve. These include the virtualization technology, universal high-speed bandwidth, and established standards of universal software interoperability.

Increased storage, flexibility / scalability, and cost reduction are some of the valuable benefits that can be derived, as the prospect that almost anything can be delivered from the cloud, becomes more and more a reality. However security, data privacy, network performance and economics are still concerns that are being addressed through various models of cloud platform delivery such as the Private Cloud, Public Cloud, as well as the Hybrid Cloud solutions.

This brings us to Cloud’s footprints into Healthcare. While, as we have seen above, cloud computing has been around for decades. Hospitals and healthcare systems only recently began to adopt the flexibility, interoperability and affordability of cloud technologies, especially as they implement plans to utilize the federal government’s $20 billion-plus Health Information Technology for Economic and Clinical Health (HITECH) financial incentive programs.

The cloud computing model is very well suited to healthcare applications due to the volume and varied sources of information, that is necessary to be accessed quickly and from any location. After all you have lives at stake. Whether it is for maintaining health records, monitoring of patients, collaboration with peers, prescribing medication, even analysis of data, we will see more and more of healthcare tapping into the cloud. With more attention on the security aspects of Cloud, compliance to Data Privacy standards, advanced interoperability and data sharing, and with a proper DR in place, the cloud can have a real positive impact on Healthcare.



Source by Dipak Chatterjee

Blessings of Cloud Computing in Everyday Life

Cloud computing would be a clever and efficient way of sharing software systems through technology in the cloud rather than have individual copies of everything. Simply put, we do possess the Facebook app but simply access it online.

It is quite certain that computer networks and the wonders of the internet have permeated into our bones when most of us live, eat, study and work computers. Each day seems to bring something startlingly new in the fabulous world of technology whether it applies to education, smartphones, cameras or automobiles. Space technology, medicine, and weapons are all in the race to elevate their systems by means of superior technology.

Usage of cloud computing

Can you feel the enormous weight of all that Aadhaar or census data that deals with over a billion people? Can hundreds, thousands of computers handle all that information? While it is true that hard disks can contain thousands of books, where is it all going to end?

It is a profound mistake to think that the earth’s resources would never end. Maybe our ancestors thought that way or could not imagine the extent we would use up all the resources. The time will come one day when we would have used up all the natural resources that now exist and seem infinite like the sun. The sun itself would burn out and life on earth would cease! Yet that day is too far away to start worrying now!

Like the way we use the electricity grid, paying for what we consume, the cloud contains all the elements that are metered and payment is made according to the extent of usage. There is no need to replicate software and extensive hardware devices with each user. Costs thus get shared like using pool vehicles instead of the five of them driving to work in separate vehicles!

The cloud facilities could be a private cloud completely owned by one organization for its own use, a public service provides facilities over a network or a hybrid cloud contains several kinds of services.

Have you heard about IaaS, SaaS, PaaS and UCaaS? The “S”, at the end stand for services and the initial letters stand for Information, Software, Platform and Unified Communications. A range of services are dispensed from the cloud where the organization and management is left in the hands of the Cloud that merely dispenses. The users would access the services through smartphones or laptops just like the present and sign up the services they wish to use just like we opt for the channels we want with the cable operator.

Benefits of cloud computing

The experts believe that such an arrangement would bring tremendous benefits as compared to the present. The greatest advantage perhaps is security though we may be worried about sensitive data. The advantages of a large organization are many in terms of a shared strength like an army of people and systems.

The freedom of accessing the cloud from any point on the earth through the browser is a mighty advantage and it does not really matter what device you are working from. Costs and maintenance become simpler because you have centralized systems and software that avoids unnecessary duplication with each user.

Performance, productivity, and reliability are ever so much enhanced under a large umbrella of experts and the user has little to worry about except to connect and work or play. Three cheers for the cloud computing of the future!



Source by Bhaswati C Mukherjee

Remove Your Infrastructure Management Burden Using Sage 50 Cloud

Sage has renamed its premium product PeachTree accounting as Sage 50. With Sage 50, Sage has inserted numerous important accounting features to make the accounting operations more effective. Sage 50 cloud has the best remote usage option for Sage 50 to increase the productivity of the accounting program.

Sage 50 cloud likewise have the truly amazing compatibility to its supportive nature of cloud hosting. An ASP (Application service provider) and cloud computing company serves many advantages by hosting Sage 50 application on its cloud servers. The capability to host Sage 50 application on the cloud servers is giving many benefits to business, CPA, accountants, accounting firms. Some of them are here:

  • New found freedom with anytime, anywhere access: The Sage 50 cloud hosting gives the ability to access the applying form anywhere, any time. This popular application may have change its name nevertheless the simplicity of this software remains remained. Sage 50 cloud hosting earlier (Peachtree) still offers the accessibility of the hosted software from anywhere, anytime the tiny and medium size of business.
  • Sage 50 multi-user cloud hosting: Cloud hosted Sage 50 application can supply you with the accessibility of the program and your company data from anywhere, anytime through internet connection. Sage 50 cloud hosting allows you to work from office, home or from client location. The fantastic feature of Sage 50 cloud hosting is, you access your company data in multi-user mode it means multiple users can perhaps work in exactly the same file from anywhere, anytime. A CPA and business clients, company users can access same files simultaneously, all in real-time.
  • High Availability is assured: If you are considering Sage 50 cloud hosting! The high availability of one’s application would be an inbuilt feature, with all the ASPs you receive 99.9% of availability of one’s accounting work.

Moving to the cloud not only gives you 24*7 access to your software and data, it also keep it safer and more secure than it would be if stored in-house or on one computer. If a laptop was stolen, or a business location where to catch on fire, critical business data and files would most likely be lost. But with applications and data safely stored in the cloud, a business or employee can simply log on and access everything they need from a different computer. As long as you can connect to the internet, you can continue working.

It is also generally more cost-effective to have applications hosted since you are taking advantage of what is often referred to as a “utility resource”. Hosting Sage 50 in-house requires installation, updates/upgrades and maintenance which can be costly up-front, and then continue to cost you money throughout the useful lifetime of your software. But when you move your Sage 50 software to the cloud with a hosting provider, they handle everything required to run your software on a virtual desktop. All that you need to do is supply a license, and your work is done. Your hosted version of Sage 50 will also work with other important business applications like Sage ACT!, Microsoft Office, tax applications and more.



Source by Tina S Smith

One Stop Information Shops

The internet is a vast repository of information .. It unites the world like nothing else has ever done. It is said that Google in 2014 indexed 200 Tera bytes of data which is just.004 percent of the total internet! Considering there is such a lot of information on every possible topic of human interest on it, it makes sense to have one source of information relating to various topics of interest.

What are trending topics?

Trending topics are those which are being discussed more than others at this point of time. It is useful to find the trending topics on social media like Twitter and Facebook which have a section called Twitter trends and Facebook trends respectively. It is useful for marketers to prepare relevant marketing content. Twitter is especially the source of the latest information as people tweet in short staccato sentences events of the world as they happen.

The most relevant articles are available on trending sites giving a graphical representation of interest shown worldwide in that particular news item over the course of the day, the regional depiction of those who showed the interest and their various other demographic parameters.

How is data being adapted for the explosion in internet and because of technology?

· Cloud computing is providing the solution for the problem of lack of storage space in mobile devices

· Download speeds. High internet speed connection is important because a low speed may cause your server to time out while accessing a website. Some users can switch between 3G and connection depending on 4G which is faster.

· Image display – There is a greater data usage for high definition displays which have become the standard for marketing videos and pictures.

· File sync software- Users nowadays would like to access their files on different devices like computers, tablets and smartphones. So websites have been designed with different formats each to suit a particular device.

· Content – Content too is shrinking for the reason that nobody has the patience to go through pages and pages of matter. It will also be a drain on the data usage. Hence control of the size of webpages is the trend now.

Popular Topics

Related to trending topics or an outcome of it, are what settle as the popular topics on the internet. In one survey among the 40 categories that appeared consistently across websites worldwide, the ten most popular topics on the internet have been listed below rank wise

1. Health

2. Games

3. Auto and Moto

4. IT and Tech

5. Sports

6. Home and Recreation

7. Music

8. Cinema

9. Love and family

10. Women

Having a site with trending information on all these is indeed a pleasure to go through if it is accompanied by colorful and relevant imagery, It should provide just enough information to establish the knowledge matter in the average reader's mind. There are enough specialist websites which go deep into the matter of anything. If not the web, there are books and research material waiting.



Source by Satvik Mittal