Open APIs

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  • 1.  TMF640 and TMF638

    Posted Aug 15, 2022 07:20
    TMF640, service activation and configuration API, while TMF638 is service inventory API. 

    We are using TMF640 to provision 5G mobile subscribers. 

    For each of the processing steps of the provisioning stages, we populate a federated inventory DB to register the various provisioning steps that were completed.

    This way, an agent can query the federated DB to find out the provisioning steps that were performed for each order (subscriber).

    The question is whether I can use a POST and GET of TMF640 to populate and query the federated inventory DB respectively? 

    This way I'd not need to use the TMF638 to POST and GET to populate and query the federated inventory DB using a second API, TMF638. 

    Is my thinking correct or I'm messing something up here. 

    I thank you
    Rephael

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  • 2.  RE: TMF640 and TMF638

    Posted Aug 16, 2022 02:42
    Hi Rephael,

    Kindly elaborate on the issue you are trying to solve?
    Are you thriving to achieve a better architecture or want to minimize the number of used TMF APIs?

    Generally your fulfilment / integration architecture defines how the systems should interact.
    And based on the architecture you design the service and its lifecycle.
    If the agent is eligible to interact with federated inventory directly it should use TMF-638 API for resources inquiry / reservation.
    If the federated inventory is abstracted from an agent and it interracts only with COM/SOM/Orchestration it can be subscribed to service notifications (e.g. state change notification) in order to get updates asynchronously.
    Even federated inventory can be organized in multiple ways. It can either replicate the resources from domains and used in RO mode for reporting, planning, etc or can paly a role of a master inventory across all resources.
    So there is not right or wrong approach and the solution always depends on various factors.

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    Mikhail Mamaev
    Netcracker Technology
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  • 3.  RE: TMF640 and TMF638

    Posted Aug 16, 2022 06:00
    Hi Mikhail,
    I thank you for your prompt response. We don't have COM/SOM/Orchestration interacts with the inventory. Our activation architecture is using TMF640 to for provisioning subscribers. You right I'd like to optimize the use of API's. Is this Ok to use only the TMF640 for any interaction with the inventory DB.

    Rephael

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    Rephael Benhamo
    HCL Technologies
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    Original Message


  • 4.  RE: TMF640 and TMF638

    Posted Aug 17, 2022 02:46
    Hi Rephael
    As we discussed privately in yesterday's meeting, TMF638 is a synchronous API to maintain the Service Inventory, an IT (database) component. Whereas TMF640 interacts directly with the network (or by an adapter to specific equipment), and operations may be asynchronous (hence the Monitor pattern in that API).
    The network inventory would typically allow more sophisticated searching for retrieval scenarios.
    Hope it helps.

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    Jonathan Goldberg
    Amdocs Management Limited
    Any opinions and statements made by me on this forum are purely personal, and do not necessarily reflect the position of the TM Forum or my employer.
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    Original Message


  • 5.  RE: TMF640 and TMF638

    Posted Aug 17, 2022 02:55
    Thank you Jonathan,

    Now it is clear. The message to the forum was posted prior to our discussion yesterday. Thank you very much.

    Rephael

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    Rephael Benhamo
    HCL Technologies
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    Original Message


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