Thanks Carl, knowing that Google is deploying gRPC on mobile clients
certainly inspires confidence in this use case. Can you share more details,
like which apps?

Yes, our concern with network middle boxes is primarily around their lack
of support / active blocking of HTTP2 upgrades.

On Thu, Nov 29, 2018 at 1:10 PM 'Carl Mastrangelo' via grpc.io <
[email protected]> wrote:

> I can't speak for most middle boxes, but at least nginx does have pretty
> good http2 support.   I believe that is pretty common.
>
> The main issue I see with middle boxes is not supporting TLS ALPN (which
> HTTP/2 depends on).   This is common in packet inspecting firewalls, which
> lag in functionality.
>
> That said, Google is gainfully using gRPC in some flagship Android
> applications, so it definitely has some experience in exotic environments.
>
>
>
> On Monday, November 26, 2018 at 10:25:01 AM UTC-8, [email protected]
> wrote:
>>
>> I'm evaluating use of gRPC between mobile clients and servers, and was
>> curious if anyone has experience using gRPC in a production setting, over
>> the internet, at scale. I'm generally curious about the use cases, learning
>> and outcomes of switching to gRPC. A particular area of concern we have is
>> the reliance on HTTP2 and lack of automated fallback to HTTP1. Even if we
>> get all our infrastructure to support terminating HTTP2-gRPC, we are
>> concerned that network middle boxes may interfere with, or block, gRPC
>> connections.
>>
>> Thanks,
>> Cy
>>
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