The idea for the solution
The problem is due to the change in IP(*)
which takes place with each new internet connection.
What is lacking is a unique and known name / IP, by which one
can be identified; as is the case with a telephone number.
The idea for the solution consists of the use of an
alias - a unique and known, easy-to-remember name which is
associated with the (constantly changing) IP address.
There have been many approaches to this solution in the past. Among these
were so-called "IP-poster", i.e. programs run on a PC which
automatically posted the current IP on a web site with each new internet
connection.
Users which then wanted to contact this PC first accessed the website (the
unique identification / alias) in order to find out the current IP associated
with the PC.
This process is just as troublesome as exchanging IPs via telephone.
(*)IP: An IP is a
combination of numbers of the form 123.123.123.123. Every computer connected
to the internet is assigned such a combination of numbers. This combination
of numbers is comparable to a telephone number - unique worldwide.
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