ARC MSB Component Description - Frankfurt

Owned by Stephen terrill
Last updated: Apr 05, 2020 by Chaker Al-Hakim
1 min read

STATUS: PTL approved, waiting for architecure approval

MSB (Micro Service Bus):

1 High Level Component Definition and Architectural Relationships 





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:

  • Register communication services

  • Discover communication services

  • Manage communication between microservices

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

MSB and DMaaP are complementary. MSB provides the restful API service registration/discovery/routing/API gateway, which addresses the sync/rpc communication pattern in microservice architecture,  in contrast, DMaaP provides messages/file 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 Name

Interface Definition

 Interface Capabilities

Interface Name

Interface Definition

 Interface Capabilities

MSBE-1

Registration and Discovery interface 

The registration and discovery interface provides the following capabilities:

  • Register/Unregister a service

  • Discover a service 

MSBE-2

Service Request Interfaces

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

MSBE-3 

 MSB Admin Interface

Provides the ability to administer policy and routing for the service requests. 

Note:   xxxI interface is a Component internal interface.  xxxxE interface is a component external interface

The current API documents can be found at:

MSB consumes the following Interfaces:

Interface Name

Purpose Reason For Use

Interface Name

Purpose Reason For Use

N/A

N/A



3. Component Description:

Add link to read-the-docs description of the component

4. known system limitations





MSB API gateway has been tested in this scenario:

  • Client(wrk) --> MSB API gateway --> Test service(Tomcat)

  • Test machine (client, msb and test service): 8 cpu Core, 8G memory

  • Network 10000M 

The test result is 50000 request per second.

5. Used Models

MSB uses the following models:

  • -



6. System Deployment Architecture

FFS

7. New Capabilities in this Release

This release, MSB adds the following Capabilities:

  • -

8. References

  1. Microservice Bus API Documentation