With the advancement in Packet Core Technologies and the world moving towards all IP networks, Deep Packet Inspection (DPI) is gaining more and more popularity. Service providers must have DPI capabilities in their networks to support the continuous growing demand of subscribers to use data services needing high bandwidth and effectively manage the subscriber demands. This paper provides the insights on optimal deep packet inspection solution for LTE networks using the DPI systems in correlation with policy servers to meet the broadband traffic challenges.