This excerpt is from CCIE Voice Exam Quick Reference Sheets (Digital Short Cut), by Mark Lewis and published by Cisco Press. ISBN-10: 1-58705-333-0 Read Mark Lewis’ blog for Cisco Subnet here. More ...

In the past we considered transport protocols such as RTP (Real-time Protocol), ABR (Adaptive Bit Rate), SDVoE (Software Defined Video over Ethernet), SRT (Secure Reliable Transport), QUIC (Quick ...

I’ve read article after article talking about how different SD-WAN solutions “fix” UCaaS and VCaaS. Recently I ran across one on No Jitter titled, “Can We Credibly Link SD-WAN to UC Improvements?” -- ...

We all know that there are trade-offs when using wireless communications. We would never tolerate the quality of our cell phones on land lines and we know that our wired Ethernet connections have ...

One of the big worries with carrying voice or video on an IP network is packet loss. When packets don't make it to the destination, voice and video quality is compromised. But why is this a big deal ...

The XMPP, CoAP, and MQTT protocols have distinct pros and cons; here’s a quick rundown of the trade-offs Real-time communication technology is an absolute requirement for the development of Internet ...