Admissions Control for Memory Semantic Interconnect
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Solution Overview
Problem
Network protocols such as TCP and IP are inefficient for high-bandwidth, low-latency memory access operations and do not support memory semantic operations, leading to increased overhead and security concerns in communication fabrics.
Innovation Solution
An interconnect protocol is introduced that supports memory semantic operations with a security feature for authentication and authorization of devices, using a transaction integrity key and challenge-response protocols to ensure secure communication over the communication fabric.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If network protocols (TCP/IP) are used for memory access operations, then communication compatibility is improved, but bandwidth efficiency deteriorates and latency increases
Solution Approach 1:
The patent segments the communication protocol into two distinct layers: a standardized network protocol layer (TCP/IP) for compatibility and a specialized interconnect protocol layer for high-performance memory access. This segmentation allows each layer to optimize for its specific function, resolving the contradiction between compatibility and bandwidth efficiency.
Solution Approach 2:
The patent introduces an intermediary interconnect protocol that sits between the network protocol and the memory access operations. This intermediary translates generic network requests into optimized memory semantic operations, maintaining compatibility while improving bandwidth efficiency and reducing latency.
2Ease of operation
If network protocols are used for memory access, then ease of operation is improved, but overhead increases
Solution Approach 1:
The patent extracts the essential memory access semantics from the bulky network protocol overhead. By separating the critical memory operation requirements from the general-purpose network protocol, the system maintains ease of operation while eliminating unnecessary overhead.
Solution Approach 2:
The patent changes the protocol parameters by introducing a specialized interconnect protocol with optimized message formats and semantics tailored for memory access. This parameter change reduces overhead while maintaining operational simplicity through standardized interfaces.
3Adaptability or versatility
If standard communication protocols are used, then device compatibility is improved, but security deteriorates
Solution Approach 1:
The patent implements preliminary security actions through an admissions control process that authenticates and authorizes devices before allowing them to participate in memory access operations. This preliminary security measure ensures device compatibility while maintaining strong security controls.
Solution Approach 2:
The interconnect protocol acts as a secure intermediary that enforces security policies between compatible devices. It provides authentication, authorization, and transaction integrity verification, resolving the contradiction between device compatibility and security by mediating interactions through a trusted protocol layer.
Data Source
AI summary
A control device performs an admissions control process with a first device to determine whether the first device is authorized to communicate over the communication fabric that supports memory semantic operations.