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From Gordon Sim <g...@redhat.com>
Subject Re: Dispatch Router prefetch
Date Fri, 08 Mar 2019 14:19:28 GMT
On 08/03/2019 2:12 pm, Gordon Sim wrote:
> On 08/03/2019 12:59 pm, HADI Ali wrote:
>> Hello,
>>
>> We are actually using in our cluster multiple brokers and thus we need 
>> to define the same address on multiple brokers.
>> For this, we cannot use linkroutes as suggested, but we still need to 
>> have the correct behavior of the TTL in our cluster.
>>
>> Is it an option to manage the TTL of the message at the level of the 
>> dispatch router since we have all of the information needed in the 
>> message headers?
> 
> It doesn't do that at present, but it doesn't seem like an reasonable 
> enhancement to me.

Sorry, meant to say it doesn't seem like an *un*reasonable enhancement!

>> In Internet Protocol, ipv4 for example, the routers manage the TTL and 
>> discard any expired messages.
>>
>> Or make it feasible to have the autolinks propagate the credit 
>> directly from consumers?
> 
> This isn't really possible when you have autolinks for same address to 
> multiple brokers. If the consumer gives 10 credits, how do you propagate 
> that to two brokers?  5 each? What if they don't both have 5 messages? 
> 10 each? Then you are back to the situation where you have more credit 
> issued at source than the consumer has granted.
> 
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