by Mish Shedlock, Mish Talk:

Russia and Iran developed a way to avoid the US dollar routing system known as SWIFT, Trade between the nations is booming.

What is the SWIFT Banking System?

Investopedia explains: The Society for Worldwide Interbank Financial Telecommunications (SWIFT) system powers most international money and security transfers. SWIFT is a vast messaging network used by financial institutions to quickly, accurately, and securely send and receive information, such as money transfer instructions.