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Friday, December 2, 2016

What are some alternatives to the World Wide Web? - Quora

What are some alternatives to the World Wide Web? - Quora



There is no real alternative to the world wide web as we use it today.
Before
WWW, there were lots of ftp servers with documents and software, and a
service called Archie which indexed them. So if you wanted to download a
program, you'd search on archie then download with an ftp client.
NNTP (usenet) and mailing lists were used instead of forums.
Applications
that today are run as web portals in some cases existed as
client-server software - if you were a travel agent and wanted to book a
flight, you'd use Sabre.
There are thousands of other TCP/IP applications. Well-known ones are supposed to be registered with IANA at Service Name and Transport Protocol Port Number Registry,
but things like malware are of course not registered (you can find many
such as BackOrifice listed in unofficial port lists), and many P2P
applications use port hopping to avoid firewalls, or use existing
firewall holes for ports such as HTTP's port 80, which works if there is
no server actually using it.

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