Don't be so quick to blame Comcast. This could apply to you.
Credit goes to broe_23 for this information
http://forums.comcast.com/t5/XfinityTV-Website/USA-Germany-world-cup/m-p/2211738#M33786
broe_23 wrote:
It is a ESPN issue. http://variety.com/2014/digital/news/espn-video-streaming-service-crashes-during-usa-germany-world-...