cloud computing (and python)?

Nikolas Karalis nikolaskaralis at
Wed Jan 2 15:22:21 CET 2008

I read a few things about this on the web, and i still don't get the
difference between cloud computing and grid computing...
It looks like the same.


On Jan 2, 2008 3:46 AM, PatrickMinnesota <PatrickMinnesota at> wrote:

> On Jan 1, 7:12 pm, Neil Hodgson <nyamatongwe+thun... at> wrote:
> >     Cloud computing is mostly about scalability. You do not need to be
> > concerned so much about low level infrastructure details such as
> > purchasing servers, configuring and maintaining them, hiring space in
> > data centres, linking up data centres, etc. It converts a lot of fixed
> > costs into lower recurring costs so makes it easier for a start up with
> > limited capital to start operating.
> >
> >     There are Python libraries for accessing some of the cloud computing
> > services and you can also host Python application code on some services
> > that allow code execution. This includes services that can run arbitrary
> > code on virtual machines such as EC2 and more restricted computational
> > services like Hadoop which can run Jython.
> >
> >     Neil
> I would say that cloud computing to an implementor or company
> providing cloud
> computing is all about scalability and stuff like S3 and EC3.  There
> are
> other options for this BTW.
> But to the end user, it's about having your data and applications on a
> disk
> served by a network and server that is somewhere out there on the net
> and
> accessible from anywhere that you have connectivity. You might travel
> with
> a laptop, but generally, when in Hong Kong, you'll be screwed if a
> chunk of
> data is sitting on a disk inside a desktop in your home office and
> isn't on
> your laptop.  With the 'cloud' concept, it wouldn't matter where you
> are,
> as long as you have a connection to the internet, you can run the apps
> and
> access the data.
> Issues:  and yes, they are big, who has control over the data, is it
> being
> backed up and protected, and is your private data being mined without
> your approval. Oh,
> and what happens if you use Zoho's system and they go out of
> business?
> --

Nikolas Karalis
Applied Mathematics and Physics Undergraduate
National Technical University of Athens, Greece
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