Re: DoD IP Space

[Mark Andrews <marka () isc org>]

There's no error code. Customer only sees the message "DRM license resquest failed" on LG TV WebOS 3.8 or above.

Translation “I use a broken GEOIP database that doesn’t handle IPv6 correctly.  If you turn off IPv6 then the request 
will use IPv4 and it may work.”.

Mark

> On 25 Jan 2021, at 01:03, Travis Garrison <tgarrison () netviscom com> wrote:
>
> I have personally seen the issue with streaming from a Samsung cell phone and the Disney+ app to a Google chrome cast 
> and a regular not-smart TV. 
>
> Travis
>
> -----Original Message-----
> From: NANOG <nanog-bounces+tgarrison=netviscom.com () nanog org> On Behalf Of Doug Barton
> Sent: Friday, January 22, 2021 5:30 PM
> To: nanog () nanog org
> Subject: Re: DoD IP Space
>
> The KB indicates that the problem is with the "LG TV WebOS 3.8 or above."
>
> Doug
>
> (not speaking for any employers, current or former)
>
>
> On 1/22/21 12:42 PM, Mark Andrews wrote:
> > Disney should hire some proper developers and QA team.
> >
> > RFC 1123 instructed developers to make sure your products handled multi-homed servers properly and dealing with one 
> > of the addresses being unreachable is part of that.  It’s not like the app can’t attempt to a stream from the IPv6 
> > address and if there is no response in 200ms start a parallel attempt from the IPv4 address.  If the IPv6 stream 
> > succeeds drop the IPv4 stream  Happy Eyeballs is just a specific case of multi-homed servers.
> >
> > QA should have test scenarios where the app has a dual stack network and the servers are silently untraceable over 
> > one then the other transport.  It isn’t hard to do.  Dealing with broken networks is something every application 
> > should do.

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742              INTERNET: marka () isc org