Everything you stream and share is broken into network packets. Learn how this enables the seamless flow of data that powers the internet. Network packets are small units of data that are sent from ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The previous “Transition to Digital” tutorial briefly addressed Quality of Service (QoS) and its ...

Interoperability of wireless devices is a growing concern, due to the rise in popularity of systems using unlicensed bands, spread spectrum and frequency hopping. One particular area of investigation ...

In the last issue we started following a packet's journey from the wire up to the higher levels of network stack processing. We left the packet at the end of layer 3 processing, where IP has ...

Service providers are presently seeking to increase their profits through low cost deployment of voice and leased line services over more efficient Ethernet and IP infrastructures. At the same time ...

Despite the industry attention it has received, voice-over-IP (VoIP) is not the only way to send voice across a packet-switched network. In fact, it may not even be the best approach for some ...

In Part 1 of this article, we talked about security issues related to sending and receiving IP packets and the function of IP Security, or IPSec. We also discussed different levels of security and ...

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 ...