Patent ID: 8863269
Filing Date: 2014-10-14
Classification: H04L

Abstract:
1. A frontend system comprising: a switch configured to relay a packet; a controller configured to determine a new communication route by controlling said switch; and a frontend hardware processor configured to be connected through said switch to the controller, wherein said frontend hardware processor includes: a dispatcher configured to collect said packet, prepare a query packet corresponding to a protocol of a layer 7 level by extracting only necessary information from a collected packet group, perform a policy check on said query packet based on an application policy and transmit said query packet to a destination, a firewall configured to recognize a protocol of a layer 7 level and determine whether said query packet is allowed to be passed, and a load balancer configured to recognize a protocol of a layer 7 level, perform load balancing of said query packet based on a load state of a network, transmit said query packet to said controller through said switch if said query packet is a first query packet and checks a route of said query packet.