Virtual Ethernet allows logical partitions to communicate with each other without the need for assigning physical hardware. It's a software-defined networking solution.
Understanding Virtual Ethernet
Think of virtual Ethernet as a way to create virtual network connections between different parts of a computer system or different virtual machines, all existing on the same physical hardware. This avoids the traditional method of needing physical network cables and network interface cards (NICs) for each connection.
How it Works
- Virtual Ethernet Adapters: Each logical partition is configured with virtual Ethernet adapters.
- Virtual LANs (VLANs): These virtual adapters are then connected to virtual LANs. This creates a logically isolated network within the system.
- Internal Communication: This setup enables communication between logical partitions without relying on external physical networks.
Benefits of Virtual Ethernet
- Reduced Hardware Costs: Eliminates the need for physical network adapters and cabling.
- Improved Resource Utilization: Allows for better allocation and utilization of system resources.
- Simplified Management: Centralized management of virtual networks simplifies network administration.
- Increased Security: VLANs provide logical isolation, enhancing security between different partitions.
- Enhanced Flexibility: Easily add, remove, or modify virtual network connections as needed.
- Internal Partition Communication: According to the reference, Virtual Ethernet allows logical partitions to communicate with each other without having to assign physical hardware to the logical partitions. You can create virtual Ethernet adapters on each logical partition and connect these virtual Ethernet adapters to virtual LANs.
Example Scenario
Imagine a server hosting multiple virtual machines (VMs). Using virtual Ethernet, you can create a private network for these VMs to communicate with each other, completely isolated from the external network. This improves security and performance for internal traffic between the VMs. You could then have one VM act as a gateway to the external network, providing controlled access.
