Oh Ok. Good to know. Thanks for the info.

On Friday, 20 January 2017 11:45:47 UTC-4, William Thurston wrote:
>
> I use gRPC on AWS  and it works great. However, I don't believe ALBs 
> support trailers in the HTTP/2 spec, so that won't work. Something may have 
> changed since the last time I looked, but don't count on an HTTP/2 ALB 
> working.  I believe it's HTTP/2 to clients of the ELB but HTTP/1.1 to your 
> backend servers. 
>
> William Thurston
>
> On Jan 20, 2017, at 7:17 AM, "[email protected] <javascript:>" <
> [email protected] <javascript:>> wrote:
>
> I haven't tried using gRPC on AWS but it is on my TODO list in near 
> future. 
>
> Just to add Application Load Balancer does seem to support HTTP/2:
> https://aws.amazon.com/blogs/aws/new-aws-application-load-balancer/
> https://aws.amazon.com/elasticloadbalancing/classicloadbalancer/faqs/
>
> So theoretically some kind of ALB + EC2 (and ECS) setup should work.
> AFAIK API Gateway and Elastic Beanstalk are not possibilities currently.
>
> Hope this helps.
>
> On Thursday, 19 January 2017 10:18:18 UTC-4, [email protected] wrote:
>>
>> gRPC "works" in AWS. That is, you can run gRPC services on EC2 nodes and 
>> have them connect to other nodes, and everything is fine. If you are using 
>> AWS for easy access to hardware then all is fine.
>>
>> What doesn't work is ELB (aka CLB), and ALBs. Neither of these support 
>> HTTP/2 (h2c) in a way that gRPC needs.
>>
>> ELBs work in TCP mode, but you give up useful health checking and the 
>> join-shortest-queue behaviour that makes normal HTTP mode ELBs good. It 
>> also means you may experience problems with how well balanced your cluster 
>> is since only individual client connections are balanced rather than 
>> individual requests to the backend. If a single client is generating a lot 
>> of requests, they will all go to the same backend rather than being 
>> balanced across your available instances.
>>
>> This also means that ECS doesn't really work properly since it only 
>> supports the use of ELB and ALB load balancers.
>>
>> If your requirements are not too demanding TCP mode ELBs do work, and you 
>> can definitely ship stuff that way. It's just not ideal and has some fairly 
>> major problems as your request rates and general system complexity increase.
>>
>> On Wednesday, January 18, 2017 at 12:59:40 PM UTC, Daniel Rios wrote:
>>>
>>> Hey all, 
>>>
>>> I'm interested on trying out gRPC on AWS, but I am new to this and 
>>> couldn't find examples or documentation related. Is it possible, due the 
>>> HTTP/2 features?, I also wonder how doable this is. 
>>>
>>> Thanks
>>>
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