X-Series Protocols


Definition of X-Series Protocols in Network Encyclopedia.

What is X-Series Protocols?

X-Series Protocols, also known as X-Series recommendations, is a series of standards and recommendations developed by the International Telecommunication Union (ITU) relating to data communication over networking and telecommunication services.

X-Series recommendations
X-Series recommendations

These standards and recommendations include the following:

  • X.25: Defines a protocol for a global packet-switching network for wide area network (WAN) connectivity. Related X-series protocols include X.3, X.28, X.29, X.92, X.96, X.110, and X.121. 
  • X.400: Defines a standard for a global message handling system for e-mail. Related protocols include X.402, X.403, X.407 (ANS.1), X.408, X.411, X.413, X.420, and the P-series protocols. 
  • X.500: Defines a recommendation for a global directory service. Related protocols include X.501, X.509, X.511, and X.518 through X.521. 

See also:

Editor

Articles posted after being checked by editors.

Recent Posts

link to Web 3.0

Web 3.0

Web 3.0 is the next generation of Internet technology that heavily relies on machine learning, artificial intelligence (AI), and blockchain technology.