After my earlier blog discussing the evolution of IT, I had several
discussions on the benefits and challenges of virtualization, private, and
public clouds. Following bar chart is an attempt to capture the benefits
and challenges of various phases of IT evolution from the days of having
dedicated physical servers for each application to the use of public cloud.
The chart is self explanatory, some key points to note are:
Going from virtualization to private cloud is basically a step to provide
self service capabilities to the application owners. It increases
flexibility and also increases the management complexity, as it adds another
layer of abstraction The biggest advantage of using public cloud is reduction
in fixed costs, as you don’t have to build the capacity for ... (more)
One of our customers wanted to establish a site to site connectivity between
their datacenter and public cloud (Amazon EC2) and then have a private
network within Amazon EC2 with their own custom IP addresses for their
servers in the cloud.
Basically the idea here is to augment the internal datacenter resources with
the resources in the public cloud securely so that the servers in the cl... (more)
Here is the revised version of the bar-chart I posted in the previous blog.
It shows the evolution of IT to explain the benefits and challenges of cloud
computing, and showing why and how we got to
... (more)
In reference to my earlier blog on Application Centric Management, there is a
discussion on the cloud computing group , I posted a detailed response,
sharing it here:
When we say we need application centric approach it is implied that it is
needed from application owner perspective, people who are responsible for
managing applications, their service levels etc. People responsible for
r... (more)
Amazon recently announced the EC2 availability in Europe; this is a big
announcement and Amazon is going to compete directly with Flexiscale in the
European market. Prior to this announcement, Amazon was only offering S3
storage services in Europe. This will give additional choice to European
and other non-US companies who want to leverage cloud computing but were
reluctant to put data... (more)
Jamal Mazhar is Founder & CEO of 
Jacques Durand
Alf Pilgrim
Per Sjofors
Kirsten Lytsen
Data Recovery Services
Colin Armitage
