A reliable mediating transport solution, trading off between the speed and cost of the operations. A reliable mediating transport solution, trading off between the speed and cost of the operations. A reliable mediating transport solution, trading off between the speed and cost of the operations. A reliable mediating transport solution, trading off between the speed and cost of the operations. A reliable mediating transport solution, trading off between the speed and cost of the operations. A reliable mediating transport solution, trading off between the speed and cost of the operations. A reliable mediating transport solution, trading off between the speed and cost of the operations.