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FusionCloud 6.3.0 Solution Description 05

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Working Principles

Working Principles


Figure 30-1 DBSS architecture
Table 30-1 Component details

Component Type

Component Name


Console layer

DBSS Console

Enables you to manage all DBSS-related resources.

API/Service layer

DBSS Service

Provides interfaces for the DBSS Console to manage DBSS 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 life cycle 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 30-2 Workflow of DBSS

The workflow contains the following tasks:

  1. DBSS Console provides pages for HexaTier instance management, such as creating, viewing, deleting, disabling, restarting, and starting instances.
  2. Nginx provides cluster load balancing capability for access from the Console or HexaTier instances to DBS-Service nodes.
  3. DBS-Service manages all HexaTier instances as a service, while integrating the license control module, and provides event alarms and Elastic IP (EIP) association/disassociation capabilities for DBSS.
  4. HexaTier Instance provides the ultimate security protection for user databases.
Updated: 2019-04-23

Document ID: EDOC1100026685

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