Hardware Bulk-Only Transfer Device for Secure Data Exchange
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Solution Overview
Problem
Existing bulk data transfer methods rely on software-driven drivers, which are prone to failures, malware attacks, and inefficient processing, leading to slow or failed data transfers between host and guest devices.
Innovation Solution
A hardware-based Bulk-Only Transfer (BOT) device with a query unit and control unit, implemented on FPGA or ASICs, that configures devices using descriptors, generates command block wrappers, identifies data transfer direction, determines endpoint statuses, and mitigates errors, utilizing Mass Storage Class protocols for secure and efficient data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If software-driven drivers are used for bulk data transfer, then device configuration and communication are enabled, but driver failures, malware attacks, and slow processing occur
Solution Approach 1:
The patent replaces the software-driven driver system with a hardware-based BOT device implemented using FPGA or ASIC circuits. This substitution eliminates software-related failures and malware attacks while maintaining device configuration capabilities through hardware descriptors, thereby improving both reliability and data transfer speed simultaneously
Solution Approach 2:
The BOT device acts as an intermediary between the host device and guest device, handling all data transfer operations through hardware-based command block wrappers and status wrappers. This intermediary hardware layer isolates the system from software vulnerabilities while enabling efficient direct data transfer
2Productivity
If general-purpose processor is used for driver processing, then device communication is established, but processing capability is shared with other tasks reducing transfer performance
Solution Approach 1:
The patent extracts the data transfer processing function from the general-purpose processor and implements it as a dedicated hardware BOT device. This extraction allows dedicated processing capability for data transfer operations, improving speed while the modular hardware design keeps complexity manageable through functional separation
Solution Approach 2:
The BOT device performs self-configuration and self-management through hardware-based descriptor processing and automatic command block wrapper generation. This self-service capability eliminates the need for complex software driver stack while maintaining efficient data transfer operations
Data Source
AI summary
Disclosed is a device (106) for bulk-only transfer of data including a query unit (110) and a control unit (112). The query unit (110) is configured to configure the second device (104) based on the set of descriptors received from the first device (102). The control unit (112) identifies a direction of transfer of data between the first device (102) and the second device (104), determines a status of a bulk-input endpoint (120) and a bulk-output endpoint (122) for the transfer of the data between the first device (102) and the second device (104), transfers the plurality of CBWs to the first device (102) and transfers the data between the first device (102) and the second device (104) based on the identified direction.