What is bursty traffic, and how does it affect quality of service (QoS) on a VoIP network?
Go out to your busiest road or highway and observe the vehicles, pedestrians, bicycles and other modes of transport along that roadway. Note that some may look alike, but in reality they are all different. Some vehicles have dirt, scratches, dents or even worse -- complete panels and parts missing -- yet they are still shooting down that path. Sometimes they collide and the results are ugly.
On the road, you have rush-hour traffic, and then you have seasonal and even local disruptions that create a really busy highway. You will see periods of idleness or no traffic at all, then periods of heavy traffic or traffic that gets heavy only for a short period of time. These clumps of uneven traffic could easily be deemed bursty traffic. The demand that this traffic can place on the highway will always create blocks or slow conditions where cars must stop and even reroute.
Ask the expert
Do you have a question for Matt Brunk or any of our other experts? Ask your enterprise-specific questions today! (All questions are treated anonymously.)
Now imagine the cars as packets -- voice, data, images, etc. -- where the real-time packets must not slow down, reroute or completely stop.
Network traffic engineers handle all types of traffic in the new and modern telecommunications model. We need to focus on how quality of service is going to be accomplished in the new models. Quality of service guarantees that a set amount of bandwidth is available for voice calls -- that real-time traffic must not be blocked, stopped or delayed too much.
Will you deploy Class of Service using the Differentiated Services, or DiffServ protocol, to set the prioritization for voice packets? In some cases, like firewalls, prioritization is a tool in a firewall group policy that is also handling routing, including treatment of voice and other real-time traffic. The policy will dictate that all outbound voice traffic will take precedence over all other traffic.
Learn more about bursty traffic and QoS in a VoIP network:
Dig Deeper on VoIP QoS and Performance
Related Q&A from Matt Brunk
How does VoIP Quality of Service compare between cable and DSL? Telephony Expert Matt Brunk explains that broadband Internet type doesn't necessarily...continue reading
When it comes to UC and VoIP equipment, there is no one-size-fits-all for enterprises, according to telephony expert Matt Brunk. Brunk explains how ...continue reading
Telecom expert Matt Brunk explains the role FCC regulations play in corporate communications, from Title 47 regulations to issues like net neutrality.continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.