Patent ID: 6170075
Filing Date: 2001-01-02
Classification: H03M,H04L

Abstract:
In a network access server providing connectivity between a computer network and a remote terminal interconnected to said network access server via a communications link, said network access server comprising, in combination, a line interface operatively connecting said network access server to said communications link; a plurality of modems; a bus passing data signals between said line interface and said modems; and a network interface receiving data from said modems and routing said data onto said computer network and receiving data from said computer network and routing said data to said modems; the improvement comprising: said line interface receiving via said communications link a first data signal comprising a first set of payload transmitted from said remote terminal; a first set of machine language instructions stored in a memory and executed by said network access server for (i) processing said first data signal and generating a first set of redundancy information indicative of said first set of payload, and (ii) generating a first coded data signal comprising said first set of payload and said first set of redundancy information; and said network interface forwarding said first coded data signal onto said computer network destined for receipt by a second remote terminal.