RFC 1434 DLS: Switch-to-Switch Protocol March 1993 Type 1. In this case, Data Link Switching addresses the last two problems in the above list. The principal difference between Data Link Switching and bridging is that DLS terminates the Data Link Control whereas bridging does not. The following figure illustrates this difference based upon two end systems operating with LLC Type 2 services. Bridging -------- Bridge Bridge +------+ +----+ +----+ +------+ | End | +---------+ | +-----/ | | +---------+ | End | |System+-+ LAN +-+ | /------+ +-+ LAN +-+System| | | +---------+ | | TCP/IP | | +---------+ | | +------+ +----+ +----+ +------+ Info-------------------------------------------------------> -------------> Info