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Xfinity Error 900|101000.101004.101005 Error 900|101000.101004.101006

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Xfinity Error 900|101000.101004.101005 Error 900|101000.101004.101006

REPOST from other thread:
The problem, according to what I have been able to gather from logs on my computer and various forum posts 'round the net, is the rather antiquated ad-serving (or, more accurately, ad-injecting) solution that they have implemented.  This is puzzling and aggravating on a variety of levels, but I will digress with an exploitation of the two primary frustrations that I can see.
First, the ads are placed on top of content that is largely available (without ads) elsewhere online, mostly for free (and ad-free).  If Comcast is going to charge us extra for free content, content that they largely don't even serve, why on earth do they need to put ads on top of what is effectively paid content?  You don't see the likes of HBO/SHO/etc. Putting ads in the middle of true blood or weeds right? People would not stand for a paid channel, that is a-la carte, that also has 20 minutes of ads for every 1 hour of programming (or would they?  Effectively that's what compact does with carriage charges paid to networks who also place ads in programming.  Do they not make enough to pay the bills without 1/3rd of all broadcasts being ads?  I think so...  But back to my first point.  I remember when Comcast was "rolling out" xfinity (They didn't roll out much of anything except for some ad-injecting and media aggregation for a streaming server system), I called and told them, "I don't want xfinity, I would rather pay what I used to pay for cable and internet."  They told me I could not.  So then xfinity is in fact a feature that they include in our service, and thus it is being paid for by us and as such should not have ads being sold on top of what we are being forced to pay for a streaming service that does not work because of said advertisements.
Which brings me to my second point.... The streaming issues are being caused by the DRM and ads injected in to streams that xfinity is mirroring through xfinity from elsewhere. As you may remember, the streaming services in xfinity used to at least be watchable.  Furthermore the advertisements generally showed where they were supposed to, and unless you really knew what you were doing, the media being played was somewhat difficult to capture.  Even with RTMPDump and the like, one had to know how to find the token that encrypted the stream in order to "dump" it to a local hard disk.  This is DRM.  The problem is, adobe is always moving the goalposts so that DRM breaking (and streaming media capturing) techniques do not work after updates.  Say what you will about the worthiness of trying to keep folks from capturing what is being played on their own computer screens, but the fact of the matter is that such efforts generally do not work, and if they do, they don't work for long (so why bother).  Anyway, another feature (LOL... "feature") of these updates is they sometimes break the streaming server workflows that media companies have devised to stream their (or, in the case of Comcast, other companies') content.  This process is further complicated when things like ads are added on top of content.  The more complicated the streaming, DRM, and ad-serving process is, the higher probability that these minor changes Adobe seems to always be making to "improve" flash player will break the whole process of playing the actual content on the user end.  In order for a media streaming service to sufficiently ensure a good user experience and functionality is to have flash player (or more specifically Flash Media Server) specialists always on hand and communicating with adobe in order to test the newest versions of flash player (that Adobe makes readily available to developers) in order to make sure that any issues can be sorted before the update goes live to users of the media service.  Comcast has not changed the actual process that they use to serve media since they "rolled out" xfinity.  The main issue that I can find is that the media serving workflow that they initially created breaks progressively worse with every update adobe releases.  This is compounded by the fact that the media companies whose content they inject ads on top of don't always keep their serving solutions updated, and because they "borrow" content from a growing number of entities, it is no surprise that as time goes on, the service degrades more and more.  As I have previously stated, the more complicated these sorts of streaming solutions become, the more issues users have using the service. 
There is a simple solution for this though... Comcast could simply serve the media themselves (ads and all).  They would have to pay for bandwidth (or would they?) which should be not problem considering they have a virtual monopoly on providing bandwidth (and the infrastructure that was subsidized heavily by the US taxpayer and exorbitant cable TV and internet prices).  Basically, Comcast is just being cheap while forcing you, the customer to receive (and pay for a service that they may, or may not want. I say they should at least provide what they say they are going to provide even if customers cannot opt out of the "feature".  Hire a few folks to fix this problem and to keep the convoluted DRM/Media "borrowing"/ad serving system they have implemented or stop charging us to serve ads on top of content that doesn't work because of neglect and greed.
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