utgg wrote: > I don't really know either, but he seemed to know what he was talking > about. > > What he is saying is that with the akamai CDN (the one we use for live > streams because it is baked into the url in menu.opml) the time-to-live > in DNS responses is often set to zero. This means that the local > handling of DNS lookups in the OS, router and ISP DNS server or whatever > (I don't know how this stuff works) must do a full external DNS lookup > through to the akamai DNS server for every HLS HTTP request rather than > using a cached address. So for every HLS chunk and playlist update > request (these both happen for every chunk on average - every 6.4 > seconds with live streams), a full DNS request and response is required > before the HTTP GET request can be made.
Windows by default ignores a TTL of zero and will cache the IP address anyway. Windows DNS caching assumes that DNS to IP address mappings hardly ever change. ------------------------------------------------------------------------ Owen Smith's Profile: http://forums.slimdevices.com/member.php?userid=42371 View this thread: http://forums.slimdevices.com/showthread.php?t=53229 _______________________________________________ plugins mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/plugins
