ISDN INTERFACING OF PERSONAL COMPUTERS

摘要

An ISDN gateway (GW) for personal computers (H) comprises at least one circu it board resident in each computer for car- rying out protocol conversion and other network interface functions. To improve bandwidth utilization of the ISDN line while transferring voice or data, a B-channel allocation algorithm executed by the gateway (GW) and the ISDN line dynamically allo- cates bandwidth by monitoring traffic at each destination queue and responsively allocating or deallocating virtual B-channels. Bandwidth utilization is optimized by packaging data packets into trains tha t are transmitted to the destination when the train is completed and upon satisfaction of other conditions. Each train undergoes da ta compression by execution of suitable compres- sion algorithm.