Tenant Network (VPC)
The development of cloud computing technologies leads to higher requirements for virtual networks, such as scalability, security, reliability, privacy, and robust connectivity performance. To resolve these problems, various network virtualization technologies emerged.
Tenant Network (VPC)
A tenant network provides variety
of network services such as DHCP, Route Table, Internet Gateway, Floating IP,
External Interface, Load Balancing, VPN gateway... You have full control over
your tenant network. For example, you can specify the subnet and configure route tables
and gateways.
Tenant network consist of subnets which shared the same routing space, each tenant network is identified by a unique routing space ID. Subnets are isolated from each other based on tunneling technology.
Subnet CIDR blocks
In
this environment, it is necessary to create at least one tenant network and one subnet
that can be assigned to a virtual server or many GreenNode resources created
later.
Each
tenant network is defined as one private CIDR block with address mask 16 and consists of
at least one private CIDR/24 block, a Subnet. You must use one of the private
CIDR/16 blocks listed in the following table to define your tenant network and smaller
blocks /24 for Subnets (belong to VPC /16 block).
| CIDR blocks | Description |
192.168.0.0/16 | Number of available private IP addresses (excluding IP addresses reserved by the system): over 65K IP addresses |
172.16.0.0/16 - 172.24.0.0/16 | Number of available private IP addresses (excluding IP addresses reserved by the system): over 500K IP addresses |
10.0.0.0/16 - 10.255.0.0/16 | Number of available private IP addresses (excluding IP addresses reserved by the system): over 16M IP addresses |
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