Patent ID: 7099853
Filing Date: 2006-08-29
Classification: G06F,H04L

Abstract:
1. A method of filtering data in a computer network, the method comprising: receiving data in a first computer; scanning the data against at least a portion of a knowledge base in the first computer; forwarding the data to a second computer over a computer network; and scanning the data against at least a portion of a knowledge base in the second computer, the portion of the knowledge base in the second computer including information not present in the portion of the knowledge base in the first computer; wherein the knowledge base in the first computer is a subset of the knowledge base in the second computer; wherein the knowledge base in the second computer has segments 1,2,3, . . . p, the knowledge base in the first computer has segments 1,2,3, . . . m, p is greater than or equal to m, the data are scanned from 1 to m in the first computer, and the data are scanned from m+1 to p, if p is greater than m, in the second computer.