IT needs to be able to ensure that devices attempting network access are in compliance with corporate security policies, every time, and before they are allowed onto the network. Endpoints that fail to meet policy compliance should be automatically quarantined. Endpoint software is one alternative today, however, it is expensive to deploy and maintain. Network infrastructure-based solutions offered by other vendors can be expensive to deploy, require all systems to be upgraded, and still require desktop client software that needs to be maintained. Basically, today's solutions are not cost effective to deploy and operate and can't provide a comprehensive solution to the LAN security problem.