Joined: 23 Nov 2006 Posts: 19270 Location: Inside the Matrix
It sounds like the network is or has become unstable.
Do you have these disconnects on all data sources? Are there times when one or more of the "remote" servers are disconnected at the same time? Are all of the disconnects from a common facility?
As Priyesh recommends, you will need to talk with your support people. Has anyone reported the problem to them? Even if they cannot correct this immediately, they should be able to explain why it is happening.