Mercosul (or Mercosur) is a trading zone among Brazil, Argentina, Uruguay,
and Paraguay founded in 1991. Its purpose is to promote free trade and the
movement of goods and people, and skills and money between these countries.
The four member countries combined represent the fourth largest economy in
the world.
As part of their cooperation, the member countries need to exchange data on
imported and exported products. In a first attempt, Argentina, Brazil, and
Uruguay tried to exchange information using magnetic tapes. It didn't work
out, due to the difficulty in matching the operations and the different types
of registration of each system in a single, consistent way.
In the second attempt, Brazil and Argentina connected their respective host
systems by establishing an active connection to exchange data but this
solution had issues by not being reliable and also just... (more)