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3.5.11. Banknet

MasterCard operates Banknet, a global telecommunications network linking all MasterCard card issuers, acquirers and data processing centers into a single financial network. The operations hub is located in St. Louis, Missouri. Banknet uses the ISO 8583 protocol.

MasterCard's network is significantly different from Visa's. Visa's is a star based system where all endpoints terminate at one of several main data centers, where all transactions are processed centrally. MasterCard's network is an edge based, peer-to-peer network where transactions travel a meshed network directly to other endpoints, without the need to travel to a single point. This allows MasterCard's network to be much more resilient, in that a single failure cannot isolate a large number of endpoints.


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