Deep packet inspection is nothing but a packet filtering process of a computer network form which would examine the data and the main criteria is to search for non-protocol compliance, spam, viruses and this is in just contrary to the shallow packet inspection which would just check the header portions and does not perform a thorough inspection. As there is lot of openness prevalent in the Internet it is been advised to use the Deep packet inspection or the filtering in order to reduce the same. Various enterprises, service providers and Governments are using the technology of Deep packet inspection, presently. The CALEA Compliance requires telecommunication service providers so that their equipment, facilities and other services would be able to comply with the authorized electronic surveillance.
The same also requires the service providers of telecommunications to file the needed and required information to the Federal Communications Commission regarding the policies and the procedures. With the prevalence of Network Capture Appliance you would be able to perform deep packet capture and analysis, and there is no need to buy expensive proprietary hardware and software solutions. By using it you can get to know what is actually happening in your network completely and use it with any number of network analyses.
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