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STATUS: DraftPTL approved, waiting for architecure approval

MSB (Micro Service Bus):

1 High Level Component Definition and Architectural Relationships 

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The Microservice Bus function provides service registration, discovery and communication services for microservices as well as a gateway for internal & External communication for the services:

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OOM connects to MSB to register and update service information when it instantiates service endpoints. 

Question: How do we differentiate between when to use MSB vs When to use DMaaP? 

MSB and DMaaP are complementary. MSB provides the restful API service registration/discovery/routing/API gateway for microservice, and , which addresses the sync/rpc communication pattern in microservice architecture,  in contrast, DMaaP provides messages/file communication Infrastructure for microservices.transfer, which mainly focused on the async communication pattern in microservices architecture. 

2. API definitions

MSB provides the following interfaces: (Question, is this one interface with 3 LCMs or one interface with these capabilities)

Interface NameInterface Definition Interface Capabilities
MSBE-1Registration and Discovery interface The registration and discovery interface provides the following capabilities:
  • Register/Unregister a service
  • Discover a service 
MSBE-2Service Request Interfaces

 Provides the capability to deliver and recieve a service request and subsequent communication.

MSBE-3  MSB Admin InterfaceProvides the ability to administer policy and routing for the service requests. 

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3. Component Description:

A more detailed figure and Add link to read-the-docs description of the component.

<< For later inclusion >>

4. known system limitations

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6. System Deployment Architecture

This needs to be updated, what should be here?

MSB consists of 5 containers:

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FFS

7. New Capabilities in this Release

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