Optimizing Intra-Container Communication with Memory Protection Keys: A Novel Approach to Secure and Efficient Microservice Interaction

• URL: http://arxiv.org/abs/2505.07836v1
• Date: Sun, 04 May 2025 13:34:56 GMT
• Title: Optimizing Intra-Container Communication with Memory Protection Keys: A Novel Approach to Secure and Efficient Microservice Interaction
• Abstract summary: This paper introduces MPKLink, leveraging Intel Memory Protection Keys (MPK) to enhance intra-container communication efficiency.<n>By utilizing shared memory with MPK-based access control, we eliminate unnecessary networking latencies.<n>We present a comprehensive evaluation of MPKLink, demonstrating its superior performance over conventional methods.
• Score: 1.1558517091394516
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In modern cloud-native applications, microservices are commonly deployed in containerized environments to ensure scalability and flexibility. However, inter-process communication (IPC) between co-located microservices often suffers from significant overhead, especially when traditional networking protocols are employed within containers. This paper introduces a novel approach, MPKLink, leveraging Intel Memory Protection Keys (MPK) to enhance intra-container communication efficiency while ensuring security. By utilizing shared memory with MPK-based access control, we eliminate unnecessary networking latencies, leading to reduced resource consumption and faster response times. We present a comprehensive evaluation of MPKLink, demonstrating its superior performance over conventional methods such as REST and gRPC within microservice architectures. Furthermore, we explore the integration of this approach with existing container orchestration platforms, showcasing its seamless adoption in real-world deployment scenarios. This work provides a transformative solution for developers looking to optimize communication in microservices while maintaining the integrity and security of containerized applications.

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