Fibre Channel HBA Ethernet Integration via Virtual Loop
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing Fibre Channel applications face high costs and inefficiencies when transitioning to Ethernet networks, as existing host bus adapters (HBAs) require complete redesign or the use of additional standalone gateways, which are costly and do not fully eliminate the need for Fibre Channel infrastructure.
Innovation Solution
A device comprising two modules: a Fibre Channel arbitrated loop HBA module and a Fibre Channel over Ethernet (FCoE) module that simulates a virtual Fibre Channel arbitrated loop network over an Ethernet network, allowing existing Fibre Channel technology to be utilized and reducing design costs by processing communications to make it appear as if the HBA is connected to a Fibre Channel network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing Fibre Channel HBAs are completely redesigned to use Ethernet, then Ethernet network compatibility is improved, but development cost and complexity increase
Solution Approach 1:
The patent introduces an FCoE gateway as an intermediary device that bridges Fibre Channel HBAs and Ethernet networks. The gateway translates Fibre Channel protocols to Ethernet protocols, allowing existing HBAs to function on Ethernet networks without redesign. This resolves the contradiction by maintaining HBA simplicity while achieving Ethernet compatibility through the gateway intermediary.
Solution Approach 2:
The patent creates a virtual Fibre Channel network overlay on Ethernet infrastructure. By copying the Fibre Channel arbitrated loop topology onto Ethernet, the system allows existing HBAs to operate as if connected to a physical Fibre Channel network, thereby avoiding redesign while achieving protocol compatibility.
2Adaptability or versatility
If FCoE gateways are used to connect Fibre Channel components to Ethernet networks, then network compatibility is improved, but network cost increases due to additional standalone devices
Solution Approach 1:
The patent merges the FCoE gateway functionality with existing network infrastructure components. Instead of requiring separate standalone gateways, the system integrates Fibre Channel over Ethernet capabilities into existing switches and network devices, thereby reducing the total number of devices while maintaining compatibility.
Solution Approach 2:
The patent enables existing network devices to perform multiple functions - both Ethernet switching and Fibre Channel protocol translation. By making network devices universal, the system eliminates the need for dedicated FCoE gateways, reducing device quantity and cost while maintaining network compatibility.
3Adaptability or versatility
If FCoE gateways are deployed, then Ethernet network integration is improved, but Fibre Channel infrastructure requirements are not completely eliminated
Solution Approach 1:
The patent extracts the Fibre Channel protocol processing functionality from the physical network infrastructure and implements it as a software layer on Ethernet. This allows the physical Ethernet infrastructure to be sufficient, with Fibre Channel simulation handled by software rather than requiring actual Fibre Channel hardware throughout the network.
Data Source
AI summary
Embodiments of the present invention are directed to a device which may be used for communication through an Ethernet network. The device may comprise two modules. A first module may be based on an existing Fibre Channel arbitrated loop HBA technology. The second module may be configured to provide a virtual Fibre Channel arbitrated loop network for the first module utilizing the Ethernet network. In other words the second module may process communications generated by the first module as well as incoming communications from the Ethernet network in order to make it appear to the first module that it is communicating with an actual Fibre Channel Arbitrated Loop network (whereas it is actually communicating through an Ethernet network). Thus, existing Fibre Channel technology can be used for the first module and the overall design cost of the device can be reduced.