![]() ![]() ![]() ![]() Synchronous transmission :: the complete frame is transmitted as a contiguous string of bits and the receiver endeavors to keep in synchronism with the incoming bit stream for the duration of the frame. Asynchronous transmission :: each character (or byte) is treated independently for clock (bit) and character (byte) synchronization purposes and the receiver resynchronizes at the start of each character received. Computer Networks: Bit and Byte Stuffing 2ģ Synchronous versus Asynchronous Transmissions A fundamental requirement of digital data communications is that the receiver knows the starting time and the duration of each bit. 1 Bit and Byte Stuffing Computer Networks: Bit and Byte Stuffing 1Ģ Synchronous versus Asynchronous Transmissions There exists a hierarchy of synchronization tasks: Bit level : recognizing the start and end of each bit Character or byte level : recognizing the start and end of each character (or small unit of data) Block or message level : recognize the start and end of each large unit of data (in networks this is a frame). ![]()
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