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FusionCloud 6.3.0 Solution Description 05

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Simple Message Notification

Simple Message Notification

Description

Simple Message Notification (SMN) is a reliable, scalable, and massive message notification service. SMN is designed to provide one-to-multiple message subscriptions and notifications over a variety of protocols. It greatly reduces system coupling and pushes messages to specified subscription endpoints.
NOTE:

Only when SMN is installed in full version will it be available on the ManageOne operation plane.

SMN can be deployed in simplified version or full version. By default, the simplified version is deployed. If only messages sent by IAM are required, use the simplified SMN service. If messages of users, third-party programs, IAM, and cloud services are required, use the full SMN service.

  • Simplified version: Only a few resources are occupied. Only IAM can call the SMN interface to send short messages and emails.
  • Full version: provides message notification services for other cloud services and tenants. When the full SMN service is selected, management node resources need to be reserved.

Function

  • SMN involves two roles: publisher and subscriber. A publisher can be a cloud service or a user who needs to send messages. The publisher creates messages and publishes them to a topic. A topic is a collection of messages and a logical access point, through which the publisher and the subscriber can interact with each other. SMN sends messages to topic subscribers. The subscribers can be email addresses, phone numbers, or applications. After subscribing to a topic, the subscribers can receive messages over the specified protocols.
  • SMN allows you to create a topic and configure topic policies to control who has permission to operate the topic. You can publish messages to a topic you created or a topic you have permission to publish messages to. You only need to specify the topic you want to publish messages to, without containing the specific message destinations. After you publish messages to the topic, SMN sends the messages to all subscribers in the topic. Each topic has a unique topic name. You specify a topic and publish messages to it. SMN then delivers them to all subscribers in the topic.

Figure 35-1 shows the structure of SMN.

Figure 35-1 SMN structure
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Updated: 2019-04-23

Document ID: EDOC1100026685

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