[occi-wg] Message Queue on OCCI

Wed Aug 29 12:10:18 EDT 2012

+1

On Wed, Aug 29, 2012 at 4:48 PM, Gary Mazz <garymazzaferro at gmail.com> wrote:
> 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
>>>>> 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 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
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> occi-wg mailing list
>>>>>>>>> occi-wg at ogf.org
>>>>>>>>> https://www.ogf.org/mailman/listinfo/occi-wg
>>>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
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>>>>>>>
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