I succeeded in giving the solution against my service provider. when they analysed my network and the results were my network is under attack (the Ddos attack).
True but the problem not from my network as the trigger. Caused my network traffic is stalled by your own ip segment. I said there is one wrong in your bgp configuration. I had captured the traffic flow in my network and analysed. They revealed the secret and appreciated my solution.
And i had experienced solved the problem of the network on Stock Exchange company.
and many more ... If you're looking for experienced, cheap and best networking skill. it's me !!!