Giving VoIP Traffic the Green Light, Part 1
VoIP call quality isn't always what it should be. Sometimes it is plagued by jitter, echo, lag--even dropped calls. In the next two articles you're going to learn how to prioritize your VoIP traffic to get the best quality. Linux has all the tools you need to do this. All that's required from you is an understanding of TCP/IP networking fundamentals--which we'll talk about today--and a traffic-shaping utility. Next week we'll get into the hands-on implementation, using the excellent utility Wondershaper.
Usually, when it comes to computer networking speed and capacity we think of bandwidth, as in the more bandwidth the faster our network will be. But bandwidth is merely one of several different factors affecting network performance.
Some definitions are in order:
Next: Packet-Switched vs. Circuit-Switched Networks »
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