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Guide for Interworking Between HUAWEI CloudFabric Solution and Redhat OpenStack

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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).
Neutron Service Model of Red Hat OpenStack

Neutron Service Model of Red Hat OpenStack

Figure 1-2 shows the logical network planes of the OpenStack.

  1. Management plane: used for internal communication between OpenStack components.
  2. Guest plane: used for data communication between VMs.
  3. External plane: provides Internet access for VMs.
  4. API plane: used for users to access the cloud platform through the northbound interface.
Figure 1-2 Four logical network planes of the OpenStack (source: OpenStack official website)

In terms of management, the OpenStack defines two logical objects: domain and project. A domain contains multiple projects that are managed by one system administrator and can be mapped to a company, an organization, or a department. A project defines the combination of available computing, network, and storage resources and can be mapped to an organization, a department, or a project. The OpenStack Neutron defines a service module with routers, networks, subnets, and ports, as shown in Figure 1-3.

Figure 1-3 Elements in a domain, project, and Neutron
  • Router: implements L3 access between different networks. Each router can manage multiple networks. The open-source router provides the FWaaS and VPNaaS functions.
  • Network: defines an L2 broadcast domain, which is isolated through VLAN or VXLAN. Each network can be associated with multiple subnets (IPv4&IPv6 dual stack).
  • Subnet: defines an IP address segment and the corresponding gateway. Each subnet is associated with a network.
  • Port: functions as a logical object for binding a VM or BM to a network. The object has the MAC address and IP address.
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Updated: 2019-03-25

Document ID: EDOC1100072313

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