Information Technology Reference
In-Depth Information
1.6
OS Support
It is the number and verity of operating systems that are supported.
a)
Description:
AWS supports almost all the types of leading OS [REF 1] ranging
from enterprise level Unix systems to Microsoft server OS.
b)
Recommendation:
AWS has various flavors of operating systems to choose from.
That makes a viable contender for application hosting.
2
RHEL Migration on AWS Cloud - An Experience
AWS along with Red Hat offers enterprise level operating system on cloud. AWS-
Red Hat collaboration allows users to rent Red Hat Enterprise Linux instead of
purchasing a license. With this combined effort users were able to:
a)
Purchase RHEL by paying hourly fees.
b)
Use RHEL OS which was provided on Amazon EC2 [Ref 1] cloud.
c)
Get the supported from Red Hat.
To sum it all up; the images were provided by AWS EC2 cloud, supported by Red
Hat and managed by end user (Ref Figure 1 below).
Fig. 1.
The Fuzzy frequent pattern tree
The EC2 images provided by Red Hat were available in RHEL version 5.x. There
were following ways to subscribe to that service:
a)
On-demand pay-as-you-go
b)
RHEL premium subscription
This was the beta offering which has now been discontinued to introduce hourly on
demand offering. Subsequent section talks about the underlying architecture of AWS
on top of which RHEL is offered.
2.1
Amazon as-is Architecture
All the services provided by AWS are based on virtualization and its computing unit
EC2 is no exception. Following subsections discuss in detail the kernel level
architecture of AWS with respect to RHEL.
