The increase in the number of web-pages where links to Internet-radios are offered has made these services one of the most popular in nowadays Internet. This popularity has motivated the interest of the scientific community and a lot of research has been carried out in order to improve and study these services. This paper presents the analysis of the Internet-radio hosted by the www.asturies.com digital newspaper. The study has been performed thanks to a log database stored over a period of almost two years. The traffic between every service device has been studied and different elements about users' behaviour have been analyzed. The conclusions are essential to improve the configuration of one of these services. Service models for Internet-radio services can be developed and help managers to test different configurations or predict future situations, avoiding problems in advance.
This paper presents the popularity analysis performed on the www.lne.es video-on-demand service, which is part of the digital version of one of the most important newspapers in Spain. Its most special characteristics are the wide range of subjects (events, music, culture, tourism, nature, sports, etc) and the type of contents offered (long life, seasonal, etc), which make it an interesting case study. The analysis pays attention to the influence of the subject and the video characteristics on the popularity. Moreover, the results are checked for short and long periods of time. This study has been performed thanks to a log database with more than 170,000 requests of almost 1000 videos stored over a period of 4 years.
Nowadays, it is more and more common for the same access line to be shared among different services and even among different users. This change in home users' behaviour, that has given rise to resource consumption close to the maximum available in user access lines, is mainly due to the increase in subscriber access capabilities which have taken place in the last few years. At the same time, contracts fulfilled by customers and network operators only provide guarantees for a reduced percentage of the maximum download/upload capacity of the line. In this paper, a study of the effects on streaming services caused by variations on the access line and by the traffic of other services is carried out. One of the main conclusions of the paper is that the delivery rate of UDP streaming sessions is mainly guided by the quality of the contents and does not consider the congestion in the network. For this reason, a method for delivery rate estimation for UDP streaming sessions is presented.
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