What’s inside a cloud?
Imagine you could easily pick out, which cloud telephony vendors you needed to speak to according to your hardware or software requirements, simply because you understood how the cloud was structured and the prime benefit each part presented.
It’s not impossible…
A previous blog gave a brief definition of cloud computing. The next question to tackle is “What actually makes up the cloud”. Once you have an understanding of cloud structure, it will be far easier for you to absorb, which cloud telephony players you need to talk to in order to replace different ‘in-house’ or ‘on-premise’ systems and equipment.
A good way to view the cloud is to think of it being comprised of three distinct layers, each of which are essentially service levels – independently playing the role of the hardware and/or software you already have installed.
1. Central to any cloud is Infrastructure-as-a-Service (IaaS). This relates to the physical infrastructure, which as far as end-users (perhaps you) are concerned, is abstracted to provide storage, networking and compute resources. Examples would be Amazon EC2 and Rackspace
2. A second level is Platform-as-a-Service (PaaS), which could be an operating system or computer language interpreter that enables bespoke applications to be written and deployed. Example would be Google Voice, Aculab Cloud
It may help you to better understand each of these by exploring their role in relation to the benefits they provide.