Voice over IP (VoIP) is the descriptor for the technology used to carry digitised voice over an IP data network. VoIP requires two classes of protocols: a signaling protocol such as SIP, H.323 or MGCP ...

I had an assignment at university that dealt with the size of a message after being sent through two different types of networks with different packet sizes and network headers. That's all we were ...

A group of fields in a network packet that describes its content, all required destination addresses to reach its target, and all source information necessary to allow a response to come back. See ...

Figuring out the amount of bandwidth a video signal requires on an IP network isn’t terribly hard, but it does require some familiarity with the underlying technologies and packet formats. Getting the ...

In a short time, network infrastructure bandwidth has scaled exponentially to 10 Gbits/s, with designs for next-generation Ethernet promising between 40 and 100 Gbits/s. At the same time, the ...

Deep packet inspection (DPI) is a method of examining the content of data packets as they pass through the network. Contrary to conventional packet (or NetFlow) filters – which are devices that check ...

IPsec is a suite of protocols that are used to secure internet communications—in fact, the name itself is an abbreviation for Internet Protocol Security. IPsec was first codified in the ’90s, spurred ...