Sandvine has recently reported that, in the second half of 2012, Netflix and YouTube accounted for 48% (33% and 15% respectively) of the total Internet traffic in North America, making telecom operators' IP network look like a video transport network rather the Internet. With an ever-increasing number of users and higher-resolution videos, the traffic of these two (and hence the delivery c...

Last week (March 27, 2013), KT, No. 1 telecommunications company in Korea with annual revenue of $22.3 billion in 2012, has entered into an agreement with Akamai, the world's No. 1 CDN service provider with annual revenue of $1.37 billion in 2012, for using Akamai's Managed CDN services. Since 2012, world's leading CDN service providers including Akamai, Limelight, Edgecast, etc. ha...

As noted in our previous post, we will present you workflow that shows how a YouTube video is downloaded to an LG U+ subscriber device via Google Global Caches installed in the LG U+ Internet. First, we will discuss the case when LG U+ Google servers have a video that has been requested by a subscriber (Cache Hit). Then, we will discuss the case when none of the servers have it (Cache Miss)....

We are going to present you workflow that shows how a YouTube video is downloaded to a subscriber device via Google Global Caches installed in LG U+. Below, we will look at downloading over the KT Internet, which has no Google Global Cache installed in it. In the subsequent post, downloading procedures in the LG U+ Internet, which has Google Global Caches installed in it, will be discussed...