NGFW is part of the 3rd generation of firewall technology (NGFW vs Traditional Firewall) which combines services of traditional Network firewall in addition to deep packet inspection, IPS/IDS, QOS and bandwidth management. While UTM integrates all the services into one box i.e. services as supported by traditional firewall, IPS/IDS, Antivirus, Antispam Web/content filtering and DLP.
Though recent development on NGFW by some vendors has further integrated additional services like Antivirus, Antispam, URL filtering into NGFW, however this post will refer to services which were part of vanilla product line.
Below table examines the NGFW and UTM terminologies and how they differ from each other in terms of services, target customers and performance –