In a typical remote access application, such as access from the home to a packet-switched high speed network such as the Internet, the low-speed dial up connection to a network access is the main bottleneck in terms of the bandwidth and efficiency of transfer of data across the network access server....http://www.google.com.au/patents/US6700871?utm_source=gb-gplus-sharePatent US6700871 - Increased throughput across data network interface by dropping redundant packets
