Question

What is a difference between internet and infranet

Answer 1

there is one major distinction between an internet and intranet:
the internet is an open ,public space while an intranet is designed to be a private space. an intranet may be accessible from the internet but as a rule it's protected by the password and accessible only to employees or other authorized users.

I hope it helps u

Answer 2

The Infranet is a prospective architecture for the Internet and future packet-based telecommunications networks. The Internet's architecture is largely the result of the emergent behavior of the interacting protocols on the Internet and the business practices of telecommunications providers.
on the flip side can say that a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.