1980s in Japan December 1982. In November 1983, Japan agreed to the International Tropical Timber Agreement. The Montreal Protocol on Substances That Deplete the Ozone Layer was agreed upon in September 1987. The Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and Their Disposal was signed in March 1989. 1980s in Japan In Japan during the 1980s, the economy was in a boom where buyers found themselves paying the highest prices for goods and commodities. As of March 1980, the unemployment rate in Japan was 4.9%; a very low number compared to the unemployment rate during the height of the
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