MemTunnel: a CXL-based Rack-Scale Host Memory Pooling Architecture for Cloud Service

• Published in: IEEE transactions on parallel and distributed systems pp. 1 - 16
• Main Authors: Guan, Tianchan, Guan, Yijin, Du, Zhaoyang, Ma, Jiacheng, Tian, Boyu, Wang, Zhao, Ma, Teng, Liu, Zheng, Kong, Yang, Xie, Yuan, Gao, Mingyu, Sun, Guangyu, Zheng, Hongzhong, Niu, Dimin
• Format: Journal Article
• Language: English
• Published: IEEE 2025
• Subjects: Bandwidth; Cloud computing; CXL; Fabrics; Hardware; Memory architecture; memory disaggregation; Memory management; memory pool; Servers; Software architecture; Virtual machines

Memory underutilization poses a significant challenge in cloud services, leading to performance inefficiencies and resource wastage. The tightly coupled computing and memory resources in cloud servers are identified as the root cause of this problem. To address this issue, memory pooling has been th...