System and method for multiple concurrent virtual networks
Techniques are provided for establishment of multiple concurrent virtual networks. In one example, there is provided a method operable by a virtual network controller (VNC) or the like. The method may involve establishing communication links with a plurality of virtual network interfaces (VNIs) operatively coupled to a plurality of virtual networks. The method may involve establishing a single port communication link with an operating system. The method may involve allowing the virtual networks to be transported on top of a physical network, and facilitating communication between the operating system and the virtual networks via the single port communication link.
1. A system, comprising:
a virtual network controller (VNC) configured to establish a router link with a virtual router; and
a plurality of virtual network interfaces (VNIs) of a plurality of virtual private networks (VPNs) in operative communication with the VNC, the VNC being directly coupled to an operating system;
wherein the VNC is configured to:
establish a single port communication link with the VPNs via a single port, the single port being coupled to the operating system;
facilitate concurrent transport of the VPNs on top of a physical network; and
facilitate communication between the operating system and the VPNs via the single port to achieve layering of the VPNs by software-implementation.
2. The system of claim 1 , wherein the physical network comprises the Internet.
3. The system of claim 1 , wherein the physical network comprises at least one of a wide area network (WAN), a local area network (LAN), or the Internet.
4. The system of claim 1 , wherein at least one of the VPNs comprises a virtual local area network (VLAN).
5. The system of claim 1 , wherein:
The VPNs belong to a first group; and
the virtual router allows the VPNs to communicate with other VPNs of a second group.
6. A software-implemented method operable by a virtual network controller (VNC) in a network system, comprising:
establishing communication links between the VNC and a plurality of virtual network interfaces (VNIs) of a plurality of virtual private networks (VPNs), the VNC being directly coupled to an operating system;
establishing a single port communication link with the VPNs via a single port, the single port being coupled to the operating system;
allowing the VPNs to be concurrently transported on top of a physical network; and
facilitating communication between the operating system and the VPNs via the single port to achieve layering of the VPNs by software-implementation.
7. The method of claim 6 , wherein the physical network comprises the Internet.
8. The method of claim 6 , wherein the physical network comprises at least one wide area network (WAN).
9. The method of claim 6 , wherein at least one of the VPNs comprises a virtual local area network (VLAN).
10. The method of claim 6 , further comprising allowing the VPNs to communicate with other VPNs of a second group via a virtual router.
11. A computer program product, comprising:
a non-transitory computer-readable medium comprising code for causing a computer to:
establish communication links between a virtual network controller (VNC) and a plurality of virtual network interfaces (VNIs) of a plurality of virtual private networks (VPNs), the VNC being directly coupled to an operating system;
establish a single port communication link with the VPNs via a single port, the single port being coupled to the operating system;
allow the VPNs to be concurrently transported on top of a physical network; and
facilitate communication between the operating system and the VPNs via the single port to achieve layering of the VPNs by software-implementation.
12. The computer program product of claim 11 , wherein at least one of the VPNs comprises a virtual local area network (VLAN).
13. The computer program product of claim 11 , wherein the non-transitory computer-readable medium further comprises code for causing the computer to allow the VPNs to communicate with other VPNs of a second group via a virtual router.