abstract:In the seven-layer OSI model of computer networking, media access control (MAC) data communication protocol is a sublayer of the data link layer, which itself is layer 2. The MAC sublayer provides addressing and channel access control mechanisms that make it possible for several terminals or network nodes to communicate within a multiple access network that incorporates a shared medium, e.
Benjamin Gross, a computer science scholar at uc Berkeley, says that idealism is already out of control as the media boost "free access" projects, such as sflan, when no such possibilities exists.