Patent ID: 7724642
Filing Date: 2010-05-25
Classification: H04L

Abstract:
1. A computer network comprising: a first controller; a plurality of workstations operatively coupled to the first controller in a serial daisy-chain configuration to form a first serial transmit path that extends between the first controller and a first workstation of the plurality of workstations and between each pair of successive workstations of the plurality of workstations; a first server operatively coupled to the first controller to serve the plurality of workstations via the first controller and the first serial transmit path; a second server operatively coupled to the first server and the first controller to serve the plurality of workstations via the first controller and the first serial transmit path in response to a failure in operation of the first server; and a point-of-sale terminal operatively coupled to the first server and to the second server to provide point-of-sale information served by the first server or the second server to at least one workstation of the plurality of workstations via the first controller and the first serial transmit path.