Thanks, I hope it is same for C/C++ implementations too.

On Tue, Aug 9, 2016 at 6:19 PM, Louis Ryan <[email protected]> wrote:

>
>
> On Tue, Aug 9, 2016 at 5:58 PM, Pradeep Singh <[email protected]> wrote:
>
>> If I take this example with any Service Discovery solution out there,
>> this is what I understand.
>>
>> 1. I get list of IPs for a Service A via Service Discovery Agent.
>> 2. I connect to all of them via  gRPC channels.
>> 3. Who load balances now when I send a message??? Client?
>> Or do I connect to all IPs via same channel handle?(Just like zmq)
>>
>
> It varies a little by implementation but generally you just implement the
> name-resolution part. E.g. in Java
>
> https://github.com/grpc/grpc-java/blob/56a2938830eb2c00f4f010318bdc56
> ca3af7263d/core/src/main/java/io/grpc/internal/DnsNameResolver.java
>
> and GRPC channels will use the resolved IPs under the hood. I guess this
> is similar to what zmq does
>
>
>>
>> If I have to write my own client side load balancing on my own, it kind
>> of makes it cumbersome I guess.
>>
>> Thanks,
>>      --Pradeep
>>
>>
>> On Tue, Aug 9, 2016 at 5:33 PM, Louis Ryan <[email protected]> wrote:
>>
>>> First take a look at
>>>
>>> https://github.com/grpc/grpc/blob/master/doc/load-balancing.md
>>>
>>> GRPC also supports the ability to plug-in your service discovery
>>> mechanism of choice which can then be used for client-side load-balancing.
>>>
>>> On Tue, Aug 9, 2016 at 10:51 AM, <[email protected]> wrote:
>>>
>>>> Hi
>>>>
>>>> While going through gRPC goals on grpc.io I noticed it mentions Load
>>>> balancing as one of its design principles or Goals.
>>>>
>>>> But I did not find anything which suggests the same.
>>>>
>>>> Saw one of the gRPC Demos by Sameer Ajmani on Youtube and he appears to
>>>> be running some kind of a Server Proxy(some yaml file suggested this).I may
>>>> be wrong.
>>>>
>>>> So, my question is how is this Load Balancing goal achieved by gRPC if
>>>> I have to use a TCP or HTTP Load balancer Proxy to achieve this?
>>>>
>>>> As I understands gRPC server stubs need to run on each and every System
>>>> providing the Service(s), but what does client need to do if Servers are
>>>> not behind a Proxy?
>>>>
>>>> As I understand gRPC does not have a Service Discovery mechanism, hence
>>>> the confusion.
>>>>
>>>> Could someone please point me to the right direction?
>>>>
>>>> PS:- I am a newbie to gRPC, pardon my ignorance. Would appreciate if
>>>> someone can CMIIW.
>>>>
>>>> Thanks,
>>>>
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>>>
>>>
>>
>>
>> --
>> Pradeep Singh
>>
>
>


-- 
Pradeep Singh

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