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US 2024/0406134 A1Published application
System and method for enabling communication between networks with overlapping ip address ranges
AssigneeAviatrix Systems, Inc.
InventorsXiaobo Sherry Wei, Pankaj Manglik, Sunil Kishen
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Abstract
A method is described that enables communication between two disjoined networks with overlapping IP address ranges. An intermediary function in each of the networks and a unique IP address pool are deployed to facilitate the communication. This method also enables communications between one network with a group of networks with overlapping IP address ranges.
Claims12
A computing device operating within a first virtual network, comprising:
- a hardware processor;
- and
- a memory coupled to the hardware processor, the memory comprising an address management logic configured to determine if an overlap exists between private IP address ranges of a first virtual network and a second virtual network, the address management logic configured to perform the method comprising:
- receive a message from a first device of the first virtual network, the message being directed from the first device to a second device of the second virtual network;
- determine if a first private IP address of the first virtual network overlaps with a second private IP address of the second virtual network;
- responsive to a determination that the first private IP address overlaps with the second private IP address, return a unique non-overlapping private IP address to a first intermediary device of the first virtual network, wherein the unique non-overlapping private IP address is substituted for the first private IP address;
- and
- instruct the message to be transmitted from the first intermediary device to a second intermediary device of the second virtual network, the second intermediary device being configured to conduct a private IP address translation to recover a source IP address of the first device and a source IP address of the second device.
5 more elements
A computerized method for enabling communications between networks with overlapping Internet Protocol (IP) address ranges, the computerized method comprising:
- receiving a first query message from a first computing device associated with a first network, the first query message includes a source IP address;
- transmitting a first message in response to the first query message, the first message including at least a first plurality of private IP addresses each uniquely assigned to a computing device residing in the first network;
- in response to a triggering event detected by a second software instance operating within a second computing device associated with a second network, receiving a second query message;
- transmitting a second message in response to the second query message, the second message including at least a second plurality of private IP addresses each uniquely assigned to a computing device residing in the second network;
- substituting the source IP address for a private IP address associated with the first computing device upon determining that the first network and the second network include overlapping private IP address ranges;
- retaining the source IP address within the message being transmitted from the first device to the second device;
- and
- conducting a private IP address translation to recover the source IP address.
5 more elements
A computerized method for enabling communications between networks with overlapping Internet Protocol (IP) address ranges, the computerized method comprising:
- receiving a first address mapping query message from a first intermediary device associated with a first network, the first address mapping query message including a source IP address;
- transmitting a first private IP address map in response to the first address mapping query message to the first intermediary device;
- in response to a triggering event detected by a second intermediary device associated with a second network, receiving a second address mapping query message;
- transmitting a second private IP address map in response to the second address mapping query message;
- substituting the source IP address for a private IP address associated with the computing device prior to transmission of a message from the first intermediary device to the second intermediary device upon determining that the first network and the second network include overlapping private IP address ranges;
- retaining the source IP address within the message being transmitted from the first intermediary device to the second intermediary device;
- and
- conducting a private IP address translation to recover the source IP address.
5 more elements
Dependencies are inferred from the claim text.