[occi-wg] Message Queue on OCCI

[Gary Mazz]

There is no need to wrap AMPQ in HTTP. The only thing needed for occi is 
the mixin(s) representing the service entry points.

-gary

On 8/29/2012 3:50 AM, Alexis Richardson wrote:
> Maik,
>
> I like this idea, but why not go further and wrap the AMQP messages
> into a general HTTP format?
>
> alexis
>
>
> On Tue, Aug 28, 2012 at 4:37 PM, Srba, Maik <maik.srba at gwdg.de> wrote:
>>   Hi,
>>
>>
>>   after few weeks of discussion we have an idea how we can combined our
>> services, message system and occi.
>>
>>
>>   The idea is, that we extend the OCCI interface with AMQP besides HTTP.
>> Then we can connect OCCI with an message bus. Table 1 shows what i mean
>> with extension. The different interfaces can combined with different OCCI
>> Dataformats.
>>
>>
>>   Picture 2 shows connection of OCCI, Service and Message Bus. Here we can
>> exchange AMQP/OCCI messages between the services.
>>
>>
>>   After i read the new OCCI JSON rendering document writen by Florian
>> Feldhaus and Ralf Nyren, i see the new changes about Actions. Actions are
>> now defined in action_category and instantiated in action. Thats a good
>> thing because now we can uses this action instance as messages and send
>> them via AMQP.
>>
>>
>>   In combination with OCCI Mixins we can create a service specific
>> eventsystem were we can exchange messages between different services. In
>> this case the service provider can characterize there own service
>> interfaces as OCCI Mixin. He delivers the characterization with the
>> service to the platform. Both service and client use OCCI. The service
>> client can discover or use the interface and the service adapter
>> interprets the OCCI messages or send messages. So we can simple combine
>> provided services over OCCI (theoretical distributed over several
>> platforms).
>>
>> Cheers
>> Maik
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> Am 01.08.12 15:05 schrieb "Alexis Richardson" unter <alexis at rabbitmq.com>:
>>
>>> OK.
>>>
>>> It might be worth considering other examples, eg Amazon SQS/SNS...
>>>
>>>
>>> On Wed, Aug 1, 2012 at 1:36 PM, Srba, Maik <maik.srba at gwdg.de> wrote:
>>>> Hi,
>>>>
>>>> at the moment i see 4 actions here. One is "startlisten" to say OCCI
>>>> that
>>>> now the client will listen to the message queue and "stoplisten" to stop
>>>> listening. One other is "send" to request a message over OCCI to the
>>>> message queue that can listen by the application and at last i see
>>>> "receive" to ask OCCI if there are any new messages from the queue for
>>>> the
>>>> client.
>>>>
>>>> Cheers,
>>>> Maik
>>>>
>>>> ==================================================================
>>>> GWDG - Gesellschaft für wissenschaftliche
>>>> Datenverarbeitung mbH Göttingen
>>>> Am Fassberg 11, 37077 Göttingen
>>>> Geschäftsführer: Prof. Dr. Ramin Yahyapour
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>>>> WWW: www.gwdg.de
>>>> ------------------------------------------------------------------
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>>>> AG (e)Science
>>>> E-Mail: maik.srba at gwdg.de
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Am 01.08.12 13:48 schrieb "Alexis Richardson" unter
>>>> <alexis at rabbitmq.com>:
>>>>
>>>>> Thanks Maik.
>>>>>
>>>>> What would be examples of "OCCI        forward the actions from the
>>>>> client to
>>>>> the     message queue"?
>>>>>
>>>>> alexis
>>>>>
>>>>> On Wed, Aug 1, 2012 at 12:40 PM, Srba, Maik <maik.srba at gwdg.de> wrote:
>>>>>> Hi Alexis,
>>>>>>
>>>>>> Thanks for your interest. I have attached a short summary where i
>>>>>> explain
>>>>>> what we will to.
>>>>>>
>>>>>> Cheers,
>>>>>> Maik
>>>>>>
>>>>>>
>>>>>> ==================================================================
>>>>>> GWDG - Gesellschaft für wissenschaftliche
>>>>>> Datenverarbeitung mbH Göttingen
>>>>>> Am Fassberg 11, 37077 Göttingen
>>>>>> Geschäftsführer: Prof. Dr. Ramin Yahyapour
>>>>>> Aufsichtsratsvorsitzender: Prof. Dr. Christian Griesinger
>>>>>> Sitz der Gesellschaft: Göttingen
>>>>>> Registergericht: Göttingen
>>>>>> Handelsregister-Nr. B 598
>>>>>> WWW: www.gwdg.de
>>>>>> ------------------------------------------------------------------
>>>>>> Fon: 0551 39-20364
>>>>>> Fax: 0551 201-2150
>>>>>> AG (e)Science
>>>>>> E-Mail: maik.srba at gwdg.de
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Am 31.07.12 11:44 schrieb "Alexis Richardson" unter
>>>>>> <alexis at rabbitmq.com>:
>>>>>>
>>>>>>> Maik,
>>>>>>>
>>>>>>> Do you have an API you can show us?  That is the best way to get
>>>>>>> started
>>>>>>>
>>>>>>> alexis
>>>>>>>
>>>>>>> On Mon, Jul 30, 2012 at 8:32 AM, Srba, Maik <maik.srba at gwdg.de> wrote:
>>>>>>>> Dear all,
>>>>>>>>
>>>>>>>> we currently think about expanding OCCI so it supports a message
>>>>>>>> queue
>>>>>>>> between client and service provider.
>>>>>>>> Our project contains simulation services in the cloud. For this we
>>>>>>>> need
>>>>>>>> a
>>>>>>>> communication between
>>>>>>>> client and simulation services. In one case it will be used to
>>>>>>>> transmit
>>>>>>>> control commands
>>>>>>>> and receive status changes. Inside our project, we use RabbitMQ for
>>>>>>>> messaging between
>>>>>>>> client and simulation services, and among the different simulation
>>>>>>>> service
>>>>>>>> components.
>>>>>>>>
>>>>>>>> If this message queue would be part of an OCCI implementation, we
>>>>>>>> could
>>>>>>>> realize our management tasks for
>>>>>>>> cloud simulation services via OCCI.
>>>>>>>>
>>>>>>>> It would be very nice to hear if somebody has already thought about
>>>>>>>> this or
>>>>>>>> could help collect ideas on
>>>>>>>> how such an OCCI Extension could look like.
>>>>>>>>
>>>>>>>> Cheers,
>>>>>>>> Maik
>>>>>>>>
>>>>>>>>
>>>>>>>> ==================================================================
>>>>>>>> GWDG - Gesellschaft für wissenschaftliche
>>>>>>>> Datenverarbeitung mbH Göttingen
>>>>>>>> Am Fassberg 11, 37077 Göttingen
>>>>>>>> Geschäftsführer: Prof. Dr. Ramin Yahyapour
>>>>>>>> Aufsichtsratsvorsitzender: Prof. Dr. Christian Griesinger
>>>>>>>> Sitz der Gesellschaft: Göttingen
>>>>>>>> Registergericht: Göttingen
>>>>>>>> Handelsregister-Nr. B 598
>>>>>>>> WWW: www.gwdg.de
>>>>>>>> ------------------------------------------------------------------
>>>>>>>> Fon: 0551 39-20364
>>>>>>>> Fax: 0551 201-2150
>>>>>>>> AG (e)Science
>>>>>>>> E-Mail: maik.srba at gwdg.de
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
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>>>>>>>>
>>>>>>
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