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EVOLUTION
OF THE INTERNET
The power of the Internet has come in waves. First,
as TCP/IP was universally adopted, the world's computers
were connected together to create a physical path among
them. Then, as XML became the ubiquitous method of data
transfer, the physical path was used to freely exchange
information. Now, the third wave is here:
Interoperability of Executable Programs. Web Services
allows new business processes to be constructed from
atomic, reusable components that are built on
universally accepted standards, such as xml. Rather than
create a single-use interface from your legacy system to
each system you want to talk to, you simply xml-enable
it and it can then interoperate with all other
xml-enabled systems. The number of required interfaces
is reduced dramatically and the payoff is increased
significantly because you can now make use of other
services anywhere in the world as a component in your
business process. The same interoperability approach
applies within the enterprise as it does externally with
consumers, business partners, suppliers, 3rd party
service providers, or any value chain participant.
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"Web
Services are to the Information Age what
interchangeable parts were to the Industrial Age."
- Scott McNealy, CEO of Sun Microsystems
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