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We have failure under below categories which are out side RDK (AAMP)

1. CDN ( for VOD and cDVR ) - Failures can come, if CDN fails to respond for manifest/fragment request given by the Player. 
   1. 1. Curl codes will be returned in the case of connection issues and request timed out cases.
      2. HTTP codes will be returned in the case of content not available in CDN or Server error and etc.,
         

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Curl Errors Codes ( Example: 28, 7 and etc., )

2019 Aug 13 19:20:30.648675 tchxi6 WPEWebProcess[11930]: AAMPLogNetworkError RDK-10044 error='curl error 28' type='main manifest' location='unknown' symptom='video fails to start, has delayed start or freezes/buffers' url='http://ccr.cox-ipvod-t6.wcdn.cox.net/ipvod18/e66dbb7d-1ffd-4279-8c09-ac21dc5ba995/1564967135344/M/HD/manifest.m3u8'
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2019 Aug 13 19:20:34.661177 tchxi6 WPEWebProcess[11930]: Sending error AAMP: Manifest Download failed : Curl Error Code 28 

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1. FOG ( for Linear with TSB ) - Failures can come, if CDN fails to respond for manifest/fragment request given by the Player. 
   1. 1. Curl codes will be returned in the case of connection issues and request timed out cases ( these error codes are processed from FOG once its responded with those error codes from CDN ).
      2. HTTP codes will be returned in the case of content not available in CDN or Server error and etc.,

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Curl Errors Codes ( Example: 28, 7 and etc., )

2019 Jul 30 01:01:46.935960 pacexg1v1 WPEWebProcess[8610]: AAMPLogNetworkError RDK-10044 error='curl error 28' type='main manifest' location='fog' symptom='video fails to start, has delayed start or freezes/buffers' url='http://127.0.0.1:9080/tsb?clientId=FOG_AAMP&recordedUrl=http%3A%2F%2Fccr.linear-nat-pil-red.xcr.comcast.net%2FMSNBC_HD_NAT_18292_0_8348966700753924163.m3u8&analyticsUrl=https%3A%2F%2Fanalytics.xcal.tv%2Fcomcast%2Ffog&money=%7B%22PARENT_ID%22%3A%224876699652033437%22%2C%22TRACE_ID%22%3A%229081702c-2ec6-4e43-9953-9f7e2073522b%22%7D&ses=%7B%22PSI%22%3A%224f2380c5-cd47-4f1c-a344-0187e9c10bec%22%2C%22PBI%22%3A4%7D&asset=%7B%22ID_TYPE%22%3A%22StreamId%22%2C%22CLASS%22%3A%22Linear%22%2C%22PLAYBACK_TYPE%22%3A%22FOG%22%2C%22INFO%22%3A%7B%7D%2C%22SECURITY%22%3A%22TRUE%22%2C%22RegulatoryClass%22%3A%22T6%22%2C%22IDS%22%3A%7B%22STRID%22%3A%228348966700753924163%22%7D%2C%22VSTRM%22%3A%7B%7D%7D&appName=STB-Xg1&appVer=3.9p3s2&acId=3265494120533768786&devName=ipstb&devID=70%3AB1%3A4E%3AC3%3AF1%3AF0&phyID=6997574782985980738'
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2019 Jul 30 01:01:47.478790 pacexg1v1 WPEWebProcess[8610]:  Sending error AAMP: Manifest Download failed : Curl Error Code 28(FOG) 

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1. Network
   
   
   • This can be a temporary connectivity issue due to poor network (or) environment. This can cause manifest/fragment download failure with HTTP/Curl errors as described above due to request failures.

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