In order to send a file through Skype with the maximum speed available, you need to have accepted the contact and they need to have accepted you. Then, Skype tries to forge a direction connection between your computers.
World Bank Group's Role in PPPs. The World Bank Group provides support to low and middle income countries in order to develop public-private partnerships (PPPs) through a number of different tools and mechanisms. Find more at World Bank Public Private Partnerships.
However, the primary goal of central banks is to provide their countries' currencies with price stability by controlling inflation. A central bank also acts as the regulatory authority of a country's monetary policy and is the sole provider and printer of notes and coins in circulation.