Robert K. Dixon of The World Bank Group, Dixon was Team Leader for Climate Change and Chemicals (2008 to 2015), overseeing a multibillion-dollar portfolio of energy, environment, public health, infrastructure, and transportation projects in developing and transition countries. Dixon has been a delegate to intergovernmental negotiating committees and subsidiary bodies of the United Nations Framework Convention on Climate Change (1992 to present), Montreal Protocol on Substances that Deplete the Ozone Layer (1989 to present), Minamata Convention on Mercury (2009 to 2015), the Asia-Pacific Partnership on Clean Development and Climate (2006 to 2011), the Stockholm Convention on Persistent Organic Pollutants (2004 to 2015), and
Subnetwork Access Protocol necessary to determine which protocol is to be invoked to process a service data unit delivered by the lower layer. The most common reference to SAP, including a Source Service Access Point (SSAP) and a Destination Service Access Point (DSAP) refers to the boundary between the Data Link Layer and the Network Layer. It is common to think of SAP only in terms of its use at Layer 2, specifically in its Logical Link Control (LLC) sub-layer as defined in the IEEE 802.2 standards. Link Service Access Point (LSAP) includes both Destination Service Access Point (DSAP) and Source Service Access