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FusionCloud 6.3.1.1 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

Architecture

Figure 11-8 shows the logical architecture of VPC.

Figure 11-8 Logical architecture of VPC
Table 11-1 Component details

Type

Name

Description

Console layer

LVS

Provides level-1 load balancing.

Nginx

Provides level-2 load balancing.

Network Console

You can use this console to manage all VPC-related resources.

API/service layer

HAProxy

Provides load balancing for Combined APIs.

Network Service

Provides interfaces for the Network Console to manage VPC resources.

Common component

API Gateway

Third-party applications call ECS APIs through API Gateway.

SDR

Provides the resource metering and billing function.

DNS/NTP

Provides domain name resolution and time synchronization.

TaskCenter

Displays the task status.

Resource pool

Glance

Provides the Image Management Service (IMS).

Nova

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.

Cinder

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

Neutron

Provides APIs for network connectivity and addressing.

Management zone

IAM

Provides Identity and Access Management (IAM).

eSight

Provides performance monitoring and alarm generation.

Service OM

Provides FusionSphere OpenStack management and resource configuration.

Metering

Provides the resource metering and billing function using SDR.

Workflow

Figure 11-9 shows the VPC workflow.

Figure 11-9 VPC workflow

The tasks in all steps are as follows:

  1. Create a VPC on the VPC UI and invoke the VPC interface provided by the Network Service to deliver configurations. When creating an instance on the console, select the VPC to add the NIC of the instance to the VPC.
  2. The Network Service invokes the network, subnet, and router interfaces provided by the OpenStack Neutron to create a VPC.
  3. Type I scenario: The Neutron server uses the RPC to instruct the Neutron agent to create subnets and networks and configure the network namespace for routes of the Linux operating system.

    Type II scenario: The Neutron server uses the RPC to instruct the Neutron agent to create subnets and networks, and controls the AC to configure the VRF of the physical switch.

    Type III scenario: The Neutron server uses the RPC to instruct the Neutron agent to create subnets and networks.

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Updated: 2019-10-23

Document ID: EDOC1100063247

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