Having spent my career in the IT world, where I’ve participated in the design of high-level services, including CDN-related technologies, I now find myself helping to make a case for why network operators should consider CDNs as a core element … Continue reading
Multicast is widely regarded as an essential part of live (linear) content delivery, but there is an intriguing alternative. The case for multicast is straightforward—content delivered down a multicast tree traverses internal network links only once. But a second “content … Continue reading
Managing the cost and performance of content delivery is becoming ever more important—and more complicated—as operators contend with distributing their own premium content while simultaneously supporting the growth of popular over-the-top services like Netflix and Hulu. Hence, it’s no surprise … Continue reading
In an earlier post I argued that CDNs are the killer app that will pull the cloud to the edge of the network. The storyline is straightforward. The explosion of video is causing operators to deploy caches deeper in their … Continue reading
The exponential growth of over-the-top (OTT) delivered content is placing enormous demands on network operators and content providers alike. However, when it comes to delivering an optimal Quality-of-Experience (QoE) for end users, it seems “it’s every man for himself” today. … Continue reading
The ongoing effort to add a client subnet extension to DNS has recently gained attention due to its being a center-piece of The Global Internet Speedup initiative. The idea behind the extension is simple – to include in DNS request … Continue reading
Tablets have been generating a lot of news lately, and I think it’s interesting that almost all of it has focused on the tablet as a gadget and not the tablet as a conduit. It’s not about the tablet, as … Continue reading
I often use this forum to talk about the impact of increasing video traffic on operator networks, but it usually goes unstated that the impact is a combination of more video content being made available and more users with sufficiently … Continue reading
I just returned from the CDN World Forum with two take-aways… The first involves the relationship between CDNs and the Cloud, a topic that was front-and-center at the CDN World Forum for the simple reason that it was co-located with … Continue reading
While dealing with the explosion of video content is a common theme driving operator interest in CDNs, it remains the case that each operator is experiencing its own specific points-of-pain. For some, it’s the need to scale delivery of their … Continue reading