Command Address Medium for Storage Communication
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Solution Overview
Problem
Existing computing systems face interoperability issues and inefficiencies due to proprietary implementations in data communication between storage devices and host devices, leading to increased costs and reduced performance.
Innovation Solution
A computing system that utilizes a command address medium to transfer commands independently of the host central processing unit, allowing for flexible communication and decoupling proprietary implementations, while using a volatile memory interface like DDR to support non-volatile memory systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If proprietary implementations are used in data communication between storage devices and host devices, then communication flexibility is improved, but interoperability deteriorates and device complexity increases
Solution Approach 1:
The communication interface is segmented into two independent parts: a proprietary command interface for flexible device-specific operations and a standardized data interface for universal interoperability. This allows each layer to operate independently with its own protocols, resolving the contradiction between flexibility and compatibility.
Solution Approach 2:
A command address medium acts as an intermediary layer between the host CPU and storage device data paths. It carries command packets that are decoupled from proprietary data communication protocols, enabling flexible command execution while maintaining standardized data transfer operations.
2Reliability
If proprietary protection mechanisms are implemented, then data security is improved, but system adoption and ease of operation deteriorate
Solution Approach 1:
The command address medium serves as an intermediary that carries protected command information without exposing proprietary protection mechanisms to the host system. This allows secure data communication while maintaining system-wide compatibility and ease of adoption.
Solution Approach 2:
Instead of requiring hosts to implement complex proprietary protection mechanisms, the system uses command packets that encapsulate protected data representations. These packets can be generated and processed without exposing underlying security implementations, facilitating broader system adoption.
3Device complexity
If command and data communication are combined on the same medium, then device complexity is reduced, but communication efficiency and reliability deteriorate
Solution Approach 1:
The communication system is divided into separate command and data paths. Command packets traverse a dedicated command address medium while data transfers use separate data buses. This segmentation reduces interference and protocol conflicts, improving overall communication efficiency despite increased physical complexity.
Solution Approach 2:
Command communication is moved to a different dimensional space (command address medium) separate from data communication paths. This spatial separation allows both command and data operations to proceed concurrently without interfering with each other, enhancing system productivity.
Data Source
AI summary
A computing system including: a host interface configured to parse a command packet from a command address medium; and a command block, coupled to the host interface, configured to: assemble a command from the command packet.