We already introduced to Cloud Technology that leverage Virtualization to minimize physical Servers cost.
Technically, there are some schemes in Cloud which are Public Cloud, Private and Hybrid. Private Cloud has its own Data center, virtualization & infrastructure on premise whereas Public cloud are over the Internet.
On the other hand, Hybrid Cloud is in between your on premise and public cloud. Hybrid used to integrate existing On premise With public cloud features.
This blog focus on Public cloud pros and cons.
Public cloud itself devided into three categories which are Infrastructure as a Service (IaaS), Platform as a Service (Paas) and Software as a Service (SaaS).
Example of IaaS are Virtual Machine as a Server, Virtual Network, Cloud Storage etc. PaaS are Scalable Web App Hosting, Database as a Service etc.
SaaS are GMail, GDrive, Office 365, One Drive, Amazon Document Sharing, Drop box etc.
There are three major companies provide Public Cloud services: Microsoft Azure, Amazon Web Service and Google Cloud.
Below are pros and cons using Public cloud for your organization.
- Up time guarantee. Your application, data, servers, virtual networks are inside Data Centers and its Infrastructure provided by those great companies.
Your account include SLA that guaranteed the system will be online 24/7 for a whole year. Ensuring reliability and availability is important and the most important thing is to make us having Peace of Mind
- Your Application and Servers are Available over the Internet with secure access Control.
You can access your system anywhere but if you want to limit by specific IP range surely you can.