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Public-key cryptography, also known as asymmetric cryptography, is a form of cryptography in which the key used to encrypt a message differs from the key used to decrypt it.

Are you among the people who lock your door with a hard metal lock and carry the key with you? You constantly worry whether it is still with you or not! If a legitimate element wants to enter the premise, they will have to wait until you return. Hassles involved in this traditional door lock system are immense.

Businesses across the country are searching for various ways to cut costs, while maintaining a robust, reliable and fast network infrastructure. Very often the key to success can be the research that goes into picking the correct data-center server solution brand. There are so many different solutions out there- how does a small business decide on one?

"The first key characteristic of the emergent approach is best summarised as 'architect the lines, not the boxes', which means managing the connections between different parts of the business rather than the actual parts of the business themselves," said Bruce Robertson, research vice president at Gartner. "The second key characteristic is that it models all relationships as interactions via some set of interfaces, which can be completely informal and manual - for example, sending handwritten invitations to a party via postal letters - to highly formal and automated, such as credit-card transactions across the Visa network."

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