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This page describes the platform networks that the system administrator configures in the infrastructure and the cloud networks that the user creates in the Abiquo platform. |
Platform networks
The main platform networks to configure separately for the Abiquo platform datacenters are as follows:
Management
Network: usednetwork, which is used by the Abiquo platform components to manage the virtual resources.
It connects theThe Abiquo Server
componentsand Abiquo Remote Services server connect to the hypervisors
that are managed. Infrastructure and virtual machines are monitoredon this network
. Virtual machine templates are also deployed over, to deploy VMs from templates, and manage virtual resources. Abiquo also monitors infrastructure and VMs on this network.
Service
Network: containsnetwork, which contains the virtual networks
(VLANs)for
cloud tenants- Storage Network: used to connect the hypervisors to the iSCSI storage with user volumes and persistent virtual machine disks.
- Public Network: used to connect virtual machines to the Internet
the cloud
Public network, which is used to connect VMs to the internet. This network can include multiple public VLANs and different subnets of routable
Internetinternet addresses.
Storage network, which is optional and can be used to connect the hypervisors to storage devices
These networks are shown in the following network topology diagram
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Cloud
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networks
Cloud networks are the virtual networks that admins and users can use and configure to deliver IP addresses to the virtual machines deployed by Abiquo. In private cloud datacenters, these networks are VLANs in the 'service network' that runs on the Abiquo platform networks. Abiquo uses DHCP or guest setup to provide IP addresses to virtual machines. And Abiquo supports software defined networking with integrations with SDN systems such as OpenStack Neutron and VMware NSX. Abiquo also supports networking in public cloud regions, creating private networks and public IP addresses.
For each datacenter, the network administrator should design the configuration (e.g. VLAN tags, switches, SDN) that will be required and configure the cloud platform switches to support the VLANs that make up the service network.
The cloud tenant networks administrators configure to deliver self-service IP addresses to the VMs.
The cloud network types supported by Abiquo are as follows:
Private
Networksnetworks within virtual datacenters
only and can have internet access using SDNExternal Networks(in private and public cloud)
External networks accessible from outside the virtual datacenter and outside the
Abiquoplatform
. Assigned, and assigned to a single tenant. Used in private cloud with standard networking and integrations.
Unmanaged
Networksnetworks with IP addresses managed outside of Abiquo only
. Assignedand assigned to a single tenant. Used in private cloud
Public
Networksnetworks with public IP addresses and Internet access
. Sharedand can be shared by multiple tenants
For more detailed descriptions of each network, please see Cloud Tenant Networks
DHCP or guest setup
To configure VMs in virtual networks (private, external and public), you can use the Abiquo DHCP server or supply your own. Abiquo creates leases and sends them to the DHCP Server over the management network using the OMAPI protocol, when the user deploys the virtual machine, and before it powers on. The lease contains the MAC address that Abiquo assigned to the VM and the IP address that the user or Abiquo selected. If no DHCP server is found, Abiquo will inject the network configuration using guest setup. See Guest setup
DHCP relay server
A DHCP Server can be configured to listen on VLANs, where VMs will request their addresses. However, a standard DHCP Server with VLAN configuration can only listen on 200 VLANs. For this reason, Abiquo recommends that you use a DHCP Relay Server, which is a proxy that forwards DHCP requests and responses between the VLANs and the DHCP Server. This configuration can support up to around 1000 VLANs and can also be configured in a hierarchy.
Network service types
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. Used in private cloud
Public IPs in public cloud, such as AWS Elastic IPs.
The external, unmanaged, and public networks are also called Datacenter networks, because they are managed at the Abiquo datacenter level.
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Cloud network configuration
In private cloud, you can use standard networking or software defined networking (SDN). In public cloud and cloud providers, Abiquo supports provider networking options.
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Private cloud networks
In private cloud with standard networking, private cloud networks are virtual networks (.e.g VLANs) in the service network that is part of the Abiquo platform networks.
For each datacenter, the network administrator should design the configuration (e.g. VLAN tags, switches, SDN) that will be required.
For standard networks, the administrator must configure the cloud platform switches to support the virtual networks that make up the service network.
When using standard networking you can configure VM IP addresses using DHCP or guest setup. The default configuration is the DHCP server installed by Abiquo but you can also provide your own DHCP server. If a DHCP server is not found, Abiquo will use guest setup with cloud-init and hypervisor tools, requiring compatible templates, or a custom guest setup method.
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Software defined networking integrations in Abiquo
Abiquo has integrations with software defined networking (SDN) systems such as VMware NSX-T, providing easy to configure network blueprints, firewalls, load balancers, NAT, and VPNs in private cloud datacenters or regions. Abiquo uses network virtualization systems to manage private networks and IPs and to manage IPs of managed datacenter networks.
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Public cloud networking
Abiquo supports many different public cloud providers with different types of networking. For example, in AWS, Abiquo onboards and creates VPCs, and manages Elastic IPs. In Google Cloud Platform, Abiquo supports Global (VPC) networks, and subnets.
See the Public cloud integrations and Public cloud providers documentation for more information about specific providers.
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