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What is the difference between elasticity and cloud scalability?

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George Lewis Program/Project Manager| DXC Technology Company Heredia, Costa Rica
What is the difference between elasticity and cloud scalability?
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David Nicolas Bartolini Management Information Security and Data Privacy| Insurance Consulting Travel Munich, Bayern, Germany
Georg that is not so easy. Some people use both interchangeably. Having onsite ressources aka servers you can scale up and down through e.g. buying or selling those servers. You dont have elasticity available but of course scalability.

Only if you using virtualization and cloud ressources you have both scalability and elasticity. Why? You are able to use in short-term these resources very fast which relates on demand. Therefore, short-term scaling needs elasticity where long-term only use scalability.

I hope that answered your question.
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1 reply by George Lewis
Jul 30, 2017 7:27 PM
George Lewis
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Nicolas, thanks for the input...
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George Lewis Program/Project Manager| DXC Technology Company Heredia, Costa Rica
Jul 30, 2017 12:08 AM
Replying to David Nicolas Bartolini
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Georg that is not so easy. Some people use both interchangeably. Having onsite ressources aka servers you can scale up and down through e.g. buying or selling those servers. You dont have elasticity available but of course scalability.

Only if you using virtualization and cloud ressources you have both scalability and elasticity. Why? You are able to use in short-term these resources very fast which relates on demand. Therefore, short-term scaling needs elasticity where long-term only use scalability.

I hope that answered your question.
Nicolas, thanks for the input...
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George Lewis Program/Project Manager| DXC Technology Company Heredia, Costa Rica
from https://stackoverflow.com/questions/958791...-and-elasticity

SCALABILITY - ability of a system to increase the workload on its current hardware resources (scale up);

ELASTICITY - ability of a system to increase the workload on its current and additional (dynamically added on demand) hardware resources (scale out);

Elasticity is strongly related to deployed-on-cloud applications.
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George Lewis Program/Project Manager| DXC Technology Company Heredia, Costa Rica
from https://www.stratoscale.com/blog/cloud/dif...loud-computing/

Elasticity in cloud infrastructure involves enabling the hypervisor to create virtual machines or containers with the resources to meet the real-time demand.

Scalability often is discussed at the application layer, highlighting capability of a system, network or process to handle a growing amount of work, or its potential to be enlarged in order to accommodate that growth.

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