X

X.509

This is a widely used standard for defining digital certificates. It is actually an ITU Recommendation, which means that it has not yet been officially defined or approved for standardized usage. As a result, companies have implemented the standard in different ways. For example, both Netscape and Microsoft use X.509 certificates to implement SSL in their Web servers and browsers. But an X.509 Certificate generated by Netscape may not be readable by Microsoft products, and vice versa.

XLL - Extensible Linking Language (XML)

XML - Extensible Markup Language

XSL - Extensible Style Language (XML)

 

 

 

 

 

 

 

 

 

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Acknowledgments:

Some original material is from the GridPP Web site maintained by Joe Foster, University of Manchester. Additions by Rob Allan, Dharmesh Chohan, Adrian Fish and Audrienne Cutajar Bezzina.

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