Today people talk all about The Cloud and how you need to use The Cloud and The Cloud is where your stuff should be. The Cloud is the the place to be…if you’re not using The Cloud you’re out of touch. But all the marketing speak in the world doesn’t really answer the big question: Just what the heck does it mean to use The Cloud? From Wikipedia’s entry on cloud computing there is this definition of what cloud computing is:
Cloud computing metaphor: For a user, the network elements representing the provider-rendered services are invisible, as if obscured by a cloud.
“Cloud computing“ by Sam Johnston - Created by Sam Johnston using OmniGroup‘s OmniGraffle and Inkscape (includes Computer.svg by Sasa Stefanovic)This vector image was created with Inkscape.. Licensed under CC BY-SA 3.0 via Commons.
So the Cloud and Cloud computing means there is a computer (a server) connected to the Internet that is doing a job for you that you don’t need to see or interact with to get things done. Facebook runs on the Cloud. OneDrive is a cloud storage service. Outlook.com is cloud-based email.
While most of the time we think of the Cloud in terms of saving files to OneDrive or checking email through Outlook.com or something like that, almost everything you do online is in the Cloud. But the things you do day to day are only part of what the Cloud does for us. Consumers think of the Cloud as an easy way to do things, but for businesses the Cloud represents an easier, faster, and more secure way to manage servers and data than if they had to manage all the servers themselves.
When a business leverages the Cloud for some or all of its computing needs, it doesn’t need to buy more servers every time it needs more resources. Using the Cloud a business can increase (and decrease) the number of servers it needs as fast as you can send an email. How does this work?
Then came virtual machines.
Companies like VMWare figured out a way to create software that could pretend to be a physical server, but really it was just a program running on the real server. Using Virtual Machines (or VMs) means that if you need a server to do lots of things, enough things to run at full capacity, you just run several VMs at the same time. The VMs don’t know they aren’t real servers. A VM thinks its a computer like any other. It has memory and storage space and programs. VMs are created so they can stand alone and not interfere with each other or work togther as a team. Best of all if a VM needs more memory or storage space, that’s just a setting, like telling Word change fonts or page sizes. As long as the physical server has the capacity to handle what the VM is asking for, no problem.
That’s it? The Cloud is really just a bunch of computers somewhere else and programs pretending to be computers?Yeah, that’s it. It sounds really simple, but the amazing part comes when you realize all the things you can do with cloud servers at your disposal. From offsite backups to disaster recovery to web-based applications to the flexibility to add and remove servers without buying more physical hardware, it’s pretty amazing. It’s like having one car and then creating a new car from your existing car when you need two cars. Then when you don’t need the second car, just putting it back into the other car for later.
This is great, but what will Microserve be offering? That’s coming in future posts, so stay tuned.
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