Public Cloud provides a shared platform to store or access information via internet.It operated on the pay-as-per-use model for the services. or it will managed by third parties. multiple users was used same storage at a same time.A public cloud is meant to serve multiple users, not a single customer. A user requires a virtual computing environment that is separated, and most likely isolated, from other users. Some examples of public clouds are : Google, Microsoft Azure, and Amazon Web Services (AWS).
Advantages of Public Cloud Computing.
Cost efficiency :
It is maintenance by cloud service provider , so we can not maintain it.
Its resources was deliver through the internet.
Public Cloud was lowest cost then other cloud.
services was scale up or scale down any time , according to our need.
The services are provided any time any where through the internet.
Pay as Per Use.
Cloud computing allows you flexibility because you have to pay only for what you use as a service.
Disadvantages of Public Cloud Computing .
Network connectivity dependency
This direct tie-up with the Internet means that a company needs to have reliable and consistent Internet service as well as a fast connection and bandwidth to reap the benefits of Cloud Computing.
Less Customizable as compared to private Cloud.
Public Cloud is less secure because resource was shared publically.