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1 Definition 2 Protocol 3 Syntax 4 Semantics

1 Definition

The Action of a Process requesting an Export Service:

  1. To send a Message to a Process in the U-Environment.
  2. To grant Rights to the receiving Process to the Message.

If the request is  accepted, the Export-Import Service delivers the Message to the Process in the U-Environment and grants actual Rights to the content of the Message.

2 Protocol

  1. Process sends “MU-Send PA Request including Message, ProcessID, and Rights (Status=Model)” to MU-Send Service.
    1. If MU-Send Service is free service, Goto MU-Send .
    2. If MU-Send Service is a pay service:
      1. User sends “MU-Send PA Request including Service Pricing Model (Status=Model)” to MU-Send Service.
      2. MU-Send Service sends “MU-Send PA Response” to Process:
        1. If “MU-Send PA Response includes Status=Err”, goto End
        2. If “MU-Send PA Response includes Status=Ack and Service Pricing Model with Transaction (both Status=Model)”, User:
          1. Transacts “Value included in Transaction”.
          2. Sends “MU-Send PA Request including Service Pricing Model (Status=Model) with Transaction (Status=Final)” to MU-Send Service.
  2. MU-Send:  MU-Send Service sends
    1. “Message and Rights (Status=Final)” to Process in U-Environment.
    2. “MU-Send PA Response” including
      1. “Ack”
      2. “Service Pricing Model (Status=Final)” to requesting Process.
  3. End.

The protocol described using Workflow Description Language (WDL) is available at this link:

https://schemas.mpai.community/MMM4/V2.2/wdl/MUSendPA.wdl

3 Syntax

The structure of the input and output messages, using JavaScript Object Notation (JSON)  is available at this link:

https://schemas.mpai.community/MMM4/V2.2/actions/MUSendPA.json

4 Semantics

Label Description
Header MU-Send Process Action Header – Standard “MMM-3SP-Vx.y”
MInstanceID Identifier of M-Instance.
UEnvironmentID Identifier of U-Environment.
MUSendPAID Identifier of this PA Instance.
MUSendPATime Creation time of this PA Instance.
MUSendPAData Data included in this PA Instance.
– Time Time of PA Request emission and Time of PA Request execution, or PA Response emission.
– RQ-Complements Complements in the PA Request.
  – Nil Message Message to be MU-Sent.
  – To ProcessID Process in U-Location where the Message is to be MU-Sent.
  – With Rights Requested Rights to be granted to the Process in the U-Environment.
  – With SPM Service Pricing Model, if MU-Send is a pay service.
– D-Complements Complements in the PA Response.
  – With Rights Rights based on requested Rights if PA Request is accepted.
  – With SPM Service Pricing Model, if MU-Send is a pay service.
  – With PAStatus Possible Error Messages.
    – Ack If PA Request could be performed.
    – Err If PA Request could not be performed.
      – FaultyPA Faulty PA Request.
      – IncID Incorrect ID.
      – InsRights Insufficient Rights.
      – InsValue Insufficient Value in Wallet.
DataXMData Identity, provenance, authorised usage, source, type, governance context, security, legality, and annotation of exchanged data.
 DescMetadata Descriptive Metadata.

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