This blog is by Volker Held, head of Industry Landscape for the Networks business of Nokia.
Aaagh! Why is this app so slow?
How short is your fuse when it comes to waiting for an app to respond to a click? Five seconds? Ten seconds? Thirty?
Chances are that if you have to wait for ten seconds or more, you are likely to feel at the mercy of your device.
That’s why latency, or round trip time (RTT), is so important. Although it is sometimes overshadowed by its big brother, peak data speed, latency has a major effect on the way users experience the network and the services it provides. With latencies of around 0.1 second, users have a sense of immediate response. When these climb to 1 second, users sense the delay but still feel in control. Any longer and frustration begins to set in.
What’s more, latency can only become even more important as future apps come to the fore – virtual reality gaming will require very low latency, as will applications that exchange data between moving cars.
That’s why right now is the time for mobile broadband operators to take action in order to lower latency.
Fix it with bandwidth, control and proximity
A three-pronged approach will tackle the issue – bandwidth, control and proximity.
1. In terms of bandwidth, the bigger the pipe available for an application, the lower the latency. The latest innovations in radio and backhaul reduce latency drastically by providing higher effective bandwidth, eliminating the bottlenecks that cause delays.
2. As well as merely increasing capacity, it is vital to introduce some control to manage the traffic more effectively. Technologies such as Quality-of-Service (QoS) differentiation and policy control mean that latency-sensitive traffic can be sent on different routes through the network. Machine learning will even allow the prediction of latency bottlenecks.
3. Getting data storage and processing closer to the user at the network edge can also cut delays. With Nokia’s Liquid Applications, base stations become local hubs for service creation and delivery, dramatically speeding up the perceived speed of services for subscribers.
For operators, cutting latency means a chance to differentiate. Low latency traffic and applications could also be charged at a premium, providing new monetization opportunities.
And that can’t come quickly enough.
Watch our recent Technology Vision 2020 “Reduce Latency to Milliseconds” webinaron-demand version.
Learn more about how to reduce latency to milliseconds here.
Read up on all six pillars of our Technology Vision 2020 here.
To share your thoughts on the topic, join the discussion with @NSNtweets using #TechVision2020 #Innovation, #FutureWorks #mobilebroadband #NSNperformance #Nokia.