The scope of this Recommendation is the provision of general principles and guidelines that should be applied by Network Operators for the routing of international data traffic across interconnected public data networks. The aim of this Recommendation is to provide network operators with the necessary information to ensure that data traffic can be effectively and economically routed across interconnected public data networks utilizing the available network resources. It is recognized that the guidelines will need to be reviewed periodically to ensure that it is in step with actual practice taking place within the international public data networks.