Tag Archives: Campusnet

Maintenance IPTV 10th of October and 14th of October

Friday the 10th of October we will move a server from our technical room on the Campuslaan to our Technical room in the Vrijhof. Because of this some of the commercial Dutch TV channels won’t be available via between 14:00 and 16:00

During the maintenance the SD version and the analog version of the channels will remain available.

Tuesday the 10th of October 2014, from 19.00 hrs. until 02.00 hrs (the next day) maintenance will take place on the Campusnet network at the University of Twente. Due to this maintenance some of our Dutch SD channels won’t be available via IPTV.

During the maintenance the HD version and the analog version of the channels will remain available.


Network maintenance – 14th of August

IMG_2995On Thursday the 14th of August from 12.00 hrs. until 13.00 hrs. a network upgrade will take place on our switch in our technical room in the Vrijhof. Due to this maintenance most of our IPTV-channels, our website and some analog channels won’t be available.

During this maintenance VCK also won’t be available via phone.

After the network upgrade VCK will have its own 10 Gbit uplink to Campusnet. With this faster uplink we will have the capacity to provide even more channels via IPTV.

Problems with IPTV on campusnet 01-06-2012

Since Campusnet has been upgraded to Gigabit, there have been problems with IPTV. The problems only occur in the student houses. We are aware that these problems can cause some inconvenience with the approaching ‘summer of sports’ (UEFA Euro 2012, the Tour de France and the Olympic Games). Below, you can find more information about the problems, as well as how these are being dealt with.

If you have been making regular use of IPTV (http://iptv.utwente.nl), you may have experienced the problem yourself: When watching a channel (a stream), it sometimes suddenly terminates and requires you to restart the stream. VCK manages the TV-signal on Campus. In the case of IPTV, the signal is broadcast via multicast on the switching equipment of the ICTS. Using multicast, there is one channel (VCK) available where the recipients (i.e. everyone using IPTV) “log on” to the stream, for example Nederland 1. Upon finishing viewing, you close the stream (“log off”).

What’s the problem?
Imagine that persons A and B are both watching Nederland 1. The problem with the streams is that sometimes, when person A stops viewing and logs off, the stream for person B is also terminated! This often means that person B has to log on again, which may take several minutes. Naturally, this is not the way it should be.

What will happen now?
With the approaching ‘summer of sports’, it is to be expected that many more people will make use of IPTV. As the same channel is watched by an increasing number of people, there will also be an increasing number of people who will log off again – increasing the chance that the stream is suddenly terminated. Unfortunately, there is nothing that can be done about this for now, other than restarting the stream.

During the last few months, VCK, ICTS and HP (the supplier of the switching equipment) have been hard at work to solve this issue. Although progress has been made, there is still no definitive solution to the problem. We are aware that this will cause some inconvenience with the approaching ‘summer of sports’.