[Teaching Cloud] "Introduction to Eucalyptus, Nimbus and OpenNebula" presentations

[Massimo Canonico]

Hi guys,
here you can find a new presentation about Eucalyptus, Numbus and
OpenNebula:
https://docs.google.com/present/view?id=0AVwfqsFZVqJlZGtwaG1mYl80N2ZoNHJmYmZy&hl=en_US

As usual, anyone who wants to contribute... is more than welcome!

M

[Oya SANLI]

Thanks a lot..
Best,
Oya.
-----Original Message----- From: Massimo Canonico Sent: Tuesday, June 28,
2011 6:08 PM To: cloud-comput...@googlegroups.com Subject:
[Cloud Computing Use Cases 1336] [Teaching Cloud] "Introduction to
Eucalyptus, Nimbus and OpenNebula" presentations

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[Eman Hossny]

can i share the file.

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يارب العتق من النار لى ولوالديا

[Oya SANLI]

Hi Massimo,
Have a question; why didn't you include Ubuntu and OpenStack?
Best,
Oya Şanlı

-----Original Message----- From: Massimo Canonico Sent: Tuesday, June 28,
2011 6:08 PM To: cloud-comput...@googlegroups.com Subject:
[Cloud Computing Use Cases 1336] [Teaching Cloud] "Introduction to
Eucalyptus, Nimbus and OpenNebula" presentations

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[gagan deep singh]

good one ..thanks

On Jun 28, 11:08 am, Massimo Canonico <massimo.canon...@gmail.com>
wrote:

> Hi guys,
> here you can find a new presentation about Eucalyptus, Numbus and

> OpenNebula:https://docs.google.com/present/view?id=0AVwfqsFZVqJlZGtwaG1mYl80N2Zo...

[Massimo Canonico]

Hi Oya,
I haven't experience in order to put a "good" contribution about OpenStack?
Is there someone that can/want add few slides about it?

Thanks,
Massimo

[Greg Pfister]

This is very good; I liked it, and found it useful. Thank you for sharing it.

Some hopefully constructive comments:

- The audience appears to be knowledgeable IT professionals; it assumes understanding of virtualization, networking, management, ...

- If that's the audience, they will appreciate this, but will probably also want a companion piece saying something more about why cloud computing is a good thing. That wasn't the point of this one, and that's fine, but I think that's also needed with this one. It might be worth it to include one page explaining this in general, and saying it's a big topic ultimately involving business practices.

- I'd quibble about your statement of why it's called "cloud computing." My impression has always been that the term comes from the canonical representation of the Internet as a cloud -- so the implication is that the computing is done somewhere "out in the cloud."

- Hyper detailed nit: p. 5 c/physicals/physical/

Greg Pfister

http://perilsofparallel.blogspot.com/

[Akira Akira]

For the right explanation on why we use the word 'cloud' we should go back to whoever coined the term, but it seems reasonable to think the idea was that a cloud is composed of zillions of minuscule droplets. Each of those droplets alone is invisible and have no importance, do not influence our lives in any respect. When all those droplets are considered as a whole we have a quite different picture. This idea appears frequently in texts about Grid computing. It's already a cliche to say that 'the whole is larger than the sum of the parts.'

But in the case of Grid, I guess people like this idea as a way to justify why we utilize cheap hardware to try to achieve high performance computing.

Now, talking about your presentation. On slide 5, I only partially agree that a cloud is a group of machines that provides VMs. Virtualization, IMHO, is just the current driving force for cloud computing, but that doesn't imply that cloud computing is always an application of virtualization. Maybe you tried to convey the idea that a definition of Cloud Computing should contain some architectural information, and I agree with that. But virtualization is not a necessary item of this architecture, although I admit that virtualization is everywhere in the "Cloudsphere."

Take a database service in the cloud as an example. Let's say I can access my database using a special API (JDBC, etc) without actually knowing which server I am utilizing at any given time. A cloud of servers will provide me the service and, as a user, my only concerns are the QoS I can perceive. The only thing I care about the service is that somehow it works for my needs. Internally, the implementation of this service may have no VMs but this is still a cloud because of the fashion in which things are distributed.

Anyway, good initiative. Let's try to work together on those slides.

             Akira

2011/8/27 Greg Pfister <greg.p...@gmail.com>

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[Miha Ahronovitz]

Excellent effort, but what we call private clouds on these slides are
actually a new way to manage application in a virtualized
environment..
To say that we deliver a "service", we need billing.

Technically, sure this is one of the solutions of Cloud Computing, but
even private clouds need a billing. We need to know who uses what and
when.

See the critique to existing billings, which are de facto un-usable in
a production environment:
http://open.eucalyptus.com/forum/billing-system-commercial-eucalyptus-installation
Last November 2010, someone promised a billing system for Eucalyptus:
http://open.eucalyptus.com/forum/generating-reports-billing

I wonder is this was delivered or not

Miha

[Diego Parrilla Santamaría]

I can add some slides about Openstack Nova if you want to.

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On Thu, Aug 25, 2011 at 2:01 AM, Oya SANLI <oyasa...@hotmail.com> wrote:

Hi Massimo,
Have a question; why didn't you include Ubuntu and OpenStack?
Best,
Oya Şanlı

-----Original Message-----  From: Massimo Canonico  Sent: Tuesday, June 28, 2011 6:08 PM  To: cloud-computing-use-cases@googlegroups.com  Subject: [Cloud Computing Use Cases 1336] [Teaching Cloud] "Introduction to Eucalyptus, Nimbus and OpenNebula" presentations

Hi guys,
here you can find a new presentation about Eucalyptus, Numbus and
OpenNebula:
https://docs.google.com/present/view?id=0AVwfqsFZVqJlZGtwaG1mYl80N2ZoNHJmYmZy&hl=en_US
As usual, anyone who wants to contribute... is more than welcome!
M
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[Massimo Canonico]

Hi Greg!

>
> - The audience appears to be knowledgeable IT professionals; it
> assumes understanding of virtualization, networking, management, ...

yes .. this is the kind of audience.

>
> - If that's the audience, they will appreciate this, but will probably
> also want a companion piece saying something more about why cloud
> computing is a good thing. That wasn't the point of this one, and
> that's fine, but I think that's also needed with this one. It might be
> worth it to include one page explaining this in general, and saying
> it's a big topic ultimately involving business practices.

For this explanation, there is another presentation. See "Introduction
to Cloud Computing" here
https://portal.futuregrid.org/contrib/cloud-computing-class.

If you have any comments or you want to edit the presentations, just let
me know.

>
> - I'd quibble about your statement of why it's called "cloud
> computing." My impression has always been that the term comes from the
> canonical representation of the Internet as a cloud -- so the
> implication is that the computing is done somewhere "out in the cloud."

Yes. It should be explained in the other presentation cited above.

>
> - Hyper detailed nit: p. 5 c/physicals/physical/

Fixed! Thanks. I've added you name in the contributor's page.

Massimo
>
> Greg Pfister
> http://perilsofparallel.blogspot.com/

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[Massimo Canonico]

On 08/29/2011 01:54 PM, Akira Akira wrote:

For the right explanation on why we use the word 'cloud' we should go back to whoever coined the term, but it seems reasonable to think the idea was that a cloud is composed of zillions of minuscule droplets. Each of those droplets alone is invisible and have no importance, do not influence our lives in any respect. When all those droplets are considered as a whole we have a quite different picture. This idea appears frequently in texts about Grid computing. It's already a cliche to say that 'the whole is larger than the sum of the parts.'

Nice explanation of the cloud!

But in the case of Grid, I guess people like this idea as a way to justify why we utilize cheap hardware to try to achieve high performance computing.

Now, talking about your presentation. On slide 5, I only partially agree that a cloud is a group of machines that provides VMs. Virtualization, IMHO, is just the current driving force for cloud computing, but that doesn't imply that cloud computing is always an application of virtualization. Maybe you tried to convey the idea that a definition of Cloud Computing should contain some architectural information, and I agree with that. But virtualization is not a necessary item of this architecture, although I admit that virtualization is everywhere in the "Cloudsphere."

I agree with your point. The more formal definition of cloud computing is in another presentation, since I'm trying to create a "Cloud Computing Class". Please take a look at "Introduction to Cloud Computing"  here https://portal.futuregrid.org/contrib/cloud-computing-class.and let me know if you can find a better cloud definition.

Take a database service in the cloud as an example. Let's say I can access my database using a special API (JDBC, etc) without actually knowing which server I am utilizing at any given time. A cloud of servers will provide me the service and, as a user, my only concerns are the QoS I can perceive. The only thing I care about the service is that somehow it works for my needs. Internally, the implementation of this service may have no VMs but this is still a cloud because of the fashion in which things are distributed.

Yes I agee again, but in this presentation I have to describe cloud platform and, to the best of my knowledge, there is no cloud platform able to provide service without virtualization.

Anyway, good initiative. Let's try to work together on those slides.

Thanks Akira for your comments.

Massimo

[cezary.g...@eranet.pl]

I believe all the points are valid within context they are mentioned.

The interesting thing is that Cloud Computing so far is not strictly defined, it is described in terms of its features. Therefore as such it is close to axiomatic definition of objects.

As an interesting aside: how many people remember "The network is the computer" slogan? Was it wrong? No, it was just ahead of it's time. It is a very good exercise to follow the history of this concept and see where we are standing today, how we are different, why, and where Cloud Computing fits in.

If I were to define Cloud Computing, I'd say "It is one of the many possible ways to accomplish certain computing goals". Depending on the goals, we can be more specific. This is where different technologies step in: OS virtualization, storage virtualization, network virtualization, etc. Noticed virtualization here? It enters because it satisfies the axioms for Cloud Computing. There may be other technologies out there doing the same, though. So far virtualization prevails.

Last but not least, one of the axioms is business related: COST!

Regards,
Cezary

--- Oryginalna wiadomość ---

Od: Massimo Canonico [mailto: massimo....@gmail.com]
Wysłane: Wednesday, September 14, 2011 12:44 PM
Do: cloud-comput...@googlegroups.com
Temat: Re: [Cloud Computing Use Cases 1380] Re: [Teaching Cloud] "Introduction to Eucalyptus, Nimbus and OpenNebula" presentations
On 08/29/2011 01:54 PM, Akira Akira wrote:

For the right explanation on why we use the word 'cloud' we should go back to whoever coined the term, but it seems reasonable to think the idea was that a cloud is composed of zillions of minuscule droplets. Each of those droplets alone is invisible and have no importance, do not influence our lives in any respect. When all those droplets are considered as a whole we have a quite different picture. This idea appears frequently in texts about Grid computing. It's already a cliche to say that 'the whole is larger than the sum of the parts.'

Nice explanation of the cloud!

But in the case of Grid, I guess people like this idea as a way to justify why we utilize cheap hardware to try to achieve high performance computing.

Now, talking about your presentation. On slide 5, I only partially agree that a cloud is a group of machines that provides VMs. Virtualization, IMHO, is just the current driving force for cloud computing, but that doesn't imply that cloud computing is always an application of virtualization. Maybe you tried to convey the idea that a definition of Cloud Computing should contain some architectural information, and I agree with that. But virtualization is not a necessary item of this architecture, although I admit that virtualization is everywhere in the "Cloudsphere."

I agree with your point. The more formal definition of cloud computing is in another presentation, since I'm trying to create a "Cloud Computing Class". Please take a look at "Introduction to Cloud Computing"  here https://portal.futuregrid.org/contrib/cloud-computing-class .and let me know if you can find a better cloud definition.

[Rizwan Ahmad (Ryu taichi)]

Hi all,

Cloud Computing is not virtualization, it is a business concept, how you can provide technology services by using the components of technology. For example, you all use cell phones, these provide you with software as a service, you use software to access anything from your mobile, it can also store data (IaaS) and you can develop new application on its Platform(PaaS). when you send the sms, it goes through one layer of cloud saas to iaas.(think it like OSI layers) when data is travelling from your cell phone, it starts from application layer, uses presentation, session , transport etc and reaches the other hand. from the saas------> to anyother layer no matter how many technical systems are involved everything is assumed cloud. But when you turn this into business, as software salesman says, we have software that can run your crm, you dont need to have servers or hardware, we will provide your our SERVICES, the term changes to cloud computing

2011/9/14 cezary.g...@eranet.pl <cezary.g...@eranet.pl>