[rabbitmq-discuss] what are message attributes used by broker in RABBITMQ

Wed Apr 11 13:42:11 BST 2012

Exchanges just route message based on the exchange type. For some exchange
types the routing key will be using to find matching queues.

-Alvaro

On Wed, Apr 11, 2012 at 2:38 PM, Saima Asif <abdullahsaima at yahoo.com> wrote:

> Dear Emile,
>
> It means user id property, message durability, Sender-selected
> distribution is visible to broker, other than routing key. Is there any
> other data or property broker I means exchanges consider?
>
> Thanks for your reply.
>
> Saima Asif
>   ------------------------------
> *From:* Emile Joubert <emile at rabbitmq.com>
> *To:* Saima Asif <abdullahsaima at yahoo.com>
> *Cc:* "rabbitmq-discuss at lists.rabbitmq.com" <
> rabbitmq-discuss at lists.rabbitmq.com>
> *Sent:* Wednesday, 11 April 2012, 13:24
> *Subject:* Re: [rabbitmq-discuss] what are message attributes used by
> broker in RABBITMQ
>
> Hi Saima,
>
> On 11/04/12 12:54, Saima Asif wrote:
> > "When publishing a message, producers may specify various /message
> > attributes/ (message meta-data). Some of this meta-data may be used by
> > the broker, however, the rest of it is completely opaque to the broker
> > and is only used by applications that receive the message. "
> >
> > I am concerned about what message attributes are used by message broker
> > in AMQP 0-9 model in general?
>
> The delivery-mode property is used to indicate persistence requirements.
> See the "Message durability" section in
> http://www.rabbitmq.com/tutorials/tutorial-two-python.html for details.
>
> The user-id property is validated only if it is supplied by the
> publisher. See
> http://www.rabbitmq.com/extensions.html#validated-user-id for details.
>
> Sender-selected distribution makes use of CC and BCC headers in the
> message at the time of publication. See
> http://www.rabbitmq.com/extensions.html#sender-selected-distribution
> for more details:
>
>
> -Emile
>
>
>
>
>
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