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FusionCloud Solution Description 04

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Implementation Principles

Implementation Principles


See Figure 29-1 and Table 29-1.

Figure 29-1 SSA architecture
Table 29-1 Component details

Component Type

Component Name


Console layer

SSA Console

Enables you to manage all SSA-related resources.

API/Service layer

SSA Service

Provides interfaces for the SSA Console to manage SSA resources.

Common components

API Gateway

Third-party applications call ECS APIs through API Gateway.


Provides the resource metering and billing function.


Provides domain name resolution and time synchronization.


Displays the task status.

Resource pools


Manages the lifecycle of computing instances in the FusionSphere OpenStack system, for example, creating instances in batches, and scheduling or stopping instances on demand.


Provides persistent block storage for running instances. Its pluggable drives facilitate block storage creation and management.


Provides APIs for network connectivity and addressing.

Management domain


Provides Identity and Access Management (IAM).


Provides performance monitoring and alarm generation.

Service OM

Manages FusionSphere OpenStack and resource configuration.


Provides the resource metering and billing function using SDR.


Figure 29-2 Workflow of SSA

The workflow contains the following tasks:

  1. On the SSA Console page, apply for services provided by SSA. SSA Service invokes SSA Management to obtain tenant information, cloud host information, and network information.
  2. SSA Service interacts with the ECS to obtain resource pool data and send the data to SSA Management.
Updated: 2019-10-23

Document ID: EDOC1100063247

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