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LG U+ HDTV Service based on LTE-A: Korea's First Successful Adaptive Bit Rate (ABR) Swi...
In our previous post (Analysis of LG U+'s HDTV Streaming (LG U+ HDTV Service based on LTE-A), we discussed how LG U+ Mobile U+ HDTV service delivers video files to a device. Our first actual measurement confirmed that LG U+: used HLS, Apple's adaptive streaming (delivering video files chunkwise, unlike progressive download or RTMP/RTSP); and offered three profiles (quality levels)...
09/09/2013
37,688
Tech-Blog
Analysis on Streaming Technology of LG U+ Mobile HDTV (LG U+ HDTV Service based on LTE-A)
On June 10, 2013, LG U+ launched U+ HDTV multi-channel service (U+ tv G 4 Channel Service) that enables users to watch 4 channels at the same time through home STB. Later in July, it introduced the same multi-channel service in a mobile version based on LTE-A. In this post, we will analyze the U+ HDTV streaming on mobile devices that support LTE-A. U+ HDTV service offers two viewing experi...
08/19/2013
66,756
Tech-Blog
Qwilt - Purpose-Built Video Caching Solution for Operators
Table of Contents Success of Over-The-Top (OTT) Service Providers and Trouble of Operators Qwilt Universal Video Delivery Solution Qwilt Caching Logic All-in-One System Network Performance and Stability (Passive Monitoring and Redirect Architecture) Edge Deployment Transparent Caching and ABR - Handling Performance Transparent Caching and ABR - Efficiency...
05/20/2013
53,947
Technical Documents
Who wins? - OTT Cache vs. Operator Cache
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...
04/11/2013
66,607
Tech-Blog
What is all about Managed CDN service agreement between KT and Akamai ?
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...
04/01/2013
61,063
Tech-Blog
Transparent Caching Logic (BTI, PeerApp)
02/20/2013
19,607
One-Shot Gallery
LG U+ Google TV (u+ tv G) Video Delivery Features
12/17/2012
29,873
One-Shot Gallery
Analysis of YouTube Video Delivery (360p, 720p)
YouTube Progressive Download
12/04/2012
27,382
Technical Documents
End-to-end LTE Mobile IPTV – Push File with eMBMS
09/12/2012
28,828
One-Shot Gallery
CDN of Korea’s Biggest OTT (Pooq)
09/10/2012
26,984
One-Shot Gallery
End-to-end LTE Mobile IPTV Architecture
09/06/2012
31,288
One-Shot Gallery
Apple HTTP Live Streaming (HLS)
09/04/2012
25,360
One-Shot Gallery
HTTP Adaptive Streaming Comparison
08/31/2012
27,422
One-Shot Gallery
Akamai CDN Call-Flow Summary
05/13/2012
26,061
One-Shot Gallery
Verivue(CoBlitz) Transparent Caching Call-Flow Summary
05/02/2012
23,635
One-Shot Gallery
Alcatel(Velocix) Wholesale CDN Call-Flow Summary
04/30/2012
25,629
One-Shot Gallery
Cisco Wholesale CDN Call-Flow Summary
04/27/2012
23,916
One-Shot Gallery
Google Global Cache (GGC) Operations for YouTube (2): LG U+ Case (with GGC)
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)....
04/18/2012
79,934
Tech-Blog
Google Global Cache (GGC) Operations for YouTube (1): KT Case (Without GGC)
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...
04/16/2012
72,183
Tech-Blog
North America Operator Multi-Screen (TV Everywhere) Deployment 2
08/27/2011
16,161
One-Shot Gallery
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