Packet transfer system

1. A device communication system, comprising:

a chassis;

a source information handling system (IHS) device that is included in the chassis;

a destination IHS device that is included in the chassis; and

an interconnect system that is included in the chassis and that couples the source IHS to the destination IHS, wherein the interconnect system includes a routing engine that is configured to:

receive, from the source device free of a layer-2 network, a memory domain communication that encapsulates Transmission Control Protocol/Internet Protocol (TCP/IP) information that includes a destination device Internet Protocol (IP) address of the destination device;

access a routing table that associates the destination device IP address of the destination device with a destination device memory address in a memory system of the destination device; and

use the destination device memory address to provide the memory domain communication to the destination device free of a layer-2 network.

2. The device communication system of claim 1 , wherein the interconnect system includes a Peripheral Component Interconnect express (PCIe) system that provides local PCIe connections between the source device and the destination device.

3. The device communication system of claim 1 , wherein the routing engine is configured to:

automatically retrieve the destination device IP address and the destination device memory address from the destination device; and

store the destination device IP address and the destination device memory address in the routing table.

4. The device communication system of claim 1 , wherein the memory domain data packet includes transaction layer protocol (TLP) information, and wherein the routing engine is configured to:

use the TLP information to provide the memory domain communication to the destination device.

5. The device communication system of claim 1 , wherein the memory domain communication includes Peripheral Component Interconnect express (PCIe) information.

6. The device communication system of claim 1 , wherein the routing engine is configured to:

access the routing table that associates the destination device IP address of the destination device with each of the destination device memory address and a destination device port identifier for a port that is coupled to the destination device; and

use the destination device port identifier and the destination device memory address to provide the memory domain communication to the destination device free of a layer-2 network.

7. The device communication system of claim 1 , wherein each of the source device and the destination device are a server device.

8. An information handling system (IHS), comprising:

a first port that is configured to couple to a first device through a interconnect system located in a chassis;

a second port that is configured to couple to a second device through the interconnect system;

a processing system that is coupled to each of the first port and the second port; and

a memory system including instruction that, when executed by the processing system, cause the processing system to provide a routing engine that is configured to:

receive, through the first port from the first device via the interconnect system and free of a layer-2 network, a memory domain communication that encapsulates Transmission Control Protocol/Internet Protocol (TCP/IP) information that includes a second device Internet Protocol (IP) address of the second device;

access a routing table that associates the second device IP address of the second device with a second device memory address in a memory device of the second device; and

use the second device memory address to provide the memory domain communication to the second device via the interconnect system and free of a layer-2 network.

9. The IHS of claim 8 , wherein the interconnect system includes Peripheral Component Interconnect express (PCIe) circuitry that provides local PCIe connections between the first device and the second device.

10. The IHS of claim 8 , wherein the routing engine is configured to:

automatically retrieve the second device IP address and the second device memory address from the destination device; and

store the second device IP address and the second device memory address in the routing table.

11. The IHS of claim 8 , wherein the memory domain data packet includes transaction layer protocol (TLP) information, and wherein the routing engine is configured to:

use the TLP information to provide the memory domain communication to the second device.

12. The IHS of claim 8 , wherein the memory domain communication includes Peripheral Component Interconnect express (PCIe) information.

13. The IHS of claim 8 , wherein the routing engine is configured to:

access the routing table that associates the second device IP address of the second device with each of the second device memory address and a second device port identifier for the second port that is coupled to the second device; and

use the second device port identifier and the second device memory address to provide the memory domain communication to the second device free of a layer-2 network.

14. The IHS of claim 8 , wherein each of the first device and the second device are a server device that is located in a server enclosure.

15. A method for device communication, comprising:

receiving, by an interconnect system located in a chassis from a source device free of a layer-2 network, a memory domain communication that encapsulates Transmission Control Protocol/Internet Protocol (TCP/IP) information that includes a destination device Internet Protocol (IP) address of a destination device;

access, by the interconnect system, a routing table that associates the destination device IP address of the destination device with a destination device memory address in a memory system of the destination device; and

using, by the interconnect system, the destination device memory address to provide the memory domain communication to the destination device free of a layer-2 network.

16. The method of claim 15 , wherein the interconnect system includes a Peripheral Component Interconnect express (PCIe) system that provides local PCIe connections between the source device and the destination device.

17. The method of claim 15 , further comprising:

automatically retrieving, by the interconnect system, the destination device IP address and the destination device memory address from the destination device; and

storing, by the interconnect system, the destination device IP address and the destination device memory address in the routing table.

18. The method of claim 15 , wherein the memory domain data packet includes transaction layer protocol (TLP) information, and wherein the method further comprises:

using, by the interconnect system, the TLP information to provide the memory domain communication to the destination device.

19. The method of claim 15 , further comprising:

accessing, by the interconnect system, the routing table that associates the second device IP address of the second device with each of the second device memory address and a second device port identifier for the second port that is coupled to the second device; and

using, by the interconnect system, the second device port identifier and the second device memory address to provide the memory domain communication to the second device free of a layer-2 network.

20. The method of claim 15 , wherein each of the source device and the destination device are a server device.