Apart from the benefits of a multilateral netting scheme, we also needed a real time settlement system, for its superior characteristics in terms of risk control and simplicity, and because it would be very useful for our liquidity provision mechanisms.
In order to perform simultaneously multilateral netting and settlement in near real time, Banco de México developed and proposed a methodology based on mathematical models and operations research techniques. BIS central bankers’ speeches  1  Specifically, we created a linear programming model that linked a network flow problem for money with many network flow problems for securities.