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The in-memory cache system is an important component in a cloud for the data access performance. As the tenants may have different performance goals for data access depending on the nature of their tasks, effectively managing the memory…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-06-05 Taejoon Kim , Yu Gu , Jinoh Kim

Timing side channels have been used to extract cryptographic keys and sensitive documents, even from trusted enclaves. In this paper, we focus on cache side channels created by access to shared code or data in the memory hierarchy. This…

Cryptography and Security · Computer Science 2021-12-20 Divya Ojha , Sandhya Dwarkadas

Edge-caching has received much attention as an efficient technique to reduce delivery latency and network congestion during peak-traffic times by bringing data closer to end users. Existing works usually design caching algorithms separately…

Information Theory · Computer Science 2018-02-08 Thang X. Vu , Symeon Chatzinotas , Bjorn Ottersten

Caching is an efficient way to reduce network traffic congestion during peak hours by storing some content at the user's local cache memory without knowledge of later demands. For the shared-link caching model, Maddah-Ali and Niesen (MAN)…

Information Theory · Computer Science 2020-06-22 Kai Wan , Giuseppe Caire

To maximize offloading gain of cache-enabled device-to-device (D2D) communications, content placement and delivery should be jointly designed. In this letter, we jointly optimize caching and scheduling policies to maximize successful…

Information Theory · Computer Science 2017-01-19 Binqiang Chen , Chenyang Yang , Zixiang Xiong

This paper presents an architecture of a Personal Information Management System, in which individuals can define the access to their personal data by means of smart contracts. These smart contracts, running on the Ethereum blockchain,…

Cryptography and Security · Computer Science 2021-01-27 Mirko Zichichi , Stefano Ferretti , Gabriele D'Angelo , Víctor Rodríguez-Doncel

Coded caching is a technique that leverages locally cached contents at the users to reduce the network's peak-time communication load. Coded caching achieves significant performance gains compared to uncoded caching schemes and is thus a…

Information Theory · Computer Science 2022-02-04 Yinbin Ma , Daniela Tuninetti

Caching is an efficient way to reduce network traffic congestion during peak hours, by storing some content at the user's local cache memory, even without knowledge of user's later demands. Maddah-Ali and Niesen proposed a two-phase…

Information Theory · Computer Science 2020-01-15 Kai Wan , Daniela Tuninetti , Pablo Piantanida

Over the past decade, the bulk of wireless traffic has shifted from speech to content. This shift creates the opportunity to cache part of the content in memories closer to the end users, for example in base stations. Most of the prior…

Information Theory · Computer Science 2019-02-18 Mohammad Ali Maddah-Ali , Urs Niesen

We consider the classical uncoded caching problem from an online learning point-of-view. A cache of limited storage capacity can hold $C$ files at a time from a large catalog. A user requests an arbitrary file from the catalog at each time…

Information Theory · Computer Science 2021-01-19 Samrat Mukhopadhyay , Abhishek Sinha

This paper studies the fundamental limits of content delivery in a cache-aided broadcast network for correlated content generated by a discrete memoryless source with arbitrary joint distribution. Each receiver is equipped with a cache of…

Information Theory · Computer Science 2018-06-20 Parisa Hassanzadeh , Antonia M. Tulino , Jaime Llorca , Elza Erkip

Caching appears to be an efficient way to reduce peak hour network traffic congestion by storing some content at the user's cache without knowledge of later demands. Recently, Maddah-Ali and Niesen proposed a two-phase, placement and…

Information Theory · Computer Science 2016-01-28 Kai Wan , Daniela Tuninetti , Pablo Piantanida

Coded caching is an information theoretic scheme to reduce high peak hours traffic by partially prefetching files in the users local storage during low peak hours. This paper considers heterogeneous decentralized caching systems where cache…

Information Theory · Computer Science 2020-01-17 Mozhgan Bayat , Kai Wan , Mingyue Ji , Giuseppe Caire

Large language models (LLMs) possess extensive knowledge and question-answering capabilities, having been widely deployed in privacy-sensitive domains like finance and medical consultation. During LLM inferences, cache-sharing methods are…

Cryptography and Security · Computer Science 2024-12-02 Xinyao Zheng , Husheng Han , Shangyi Shi , Qiyan Fang , Zidong Du , Xing Hu , Qi Guo

Cache-aided MIMO communications aims to jointly exploit both coded caching~(CC) and spatial multiplexing gains to enhance communication efficiency. In this paper, we analyze both the achievable degrees of freedom~(DoF) under linear…

Information Theory · Computer Science 2025-11-17 Mohammad NaseriTehrani , MohammadJavad Salehi , Antti Tölli

Caching is popular technique in content delivery networks that allows for reductions in transmission rates from the content-hosting server to the end users. Coded caching is a generalization of conventional caching that considers the…

Information Theory · Computer Science 2016-07-28 Li Tang , Aditya Ramamoorthy

Shared cache resources in multi-core processors are vulnerable to cache side-channel attacks. Recently proposed defenses have their own caveats: Randomization-based defenses are vulnerable to the evolving attack algorithms besides relying…

Cryptography and Security · Computer Science 2021-10-18 Ghada Dessouky , Alexander Gruler , Pouya Mahmoody , Ahmad-Reza Sadeghi , Emmanuel Stapf

Wireless information-centric networks consider storage as one of the network primitives, and propose to cache data within the network in order to improve latency and reduce bandwidth consumption. We study the throughput capacity and delay…

Networking and Internet Architecture · Computer Science 2015-05-01 Bita Azimdoost , Cedric Westphal , Hamid R. Sadjadpour

Cache plays an important role to maintain high and stable performance (i.e. high throughput, low tail latency and throughput jitter) in storage systems. Existing rule-based cache management methods, coupled with engineers' manual…

Hardware Architecture · Computer Science 2022-03-28 Ji Zhang , Xijun Li , Xiyao Zhou , Mingxuan Yuan , Zhuo Cheng , Keji Huang , Yifan Li

Cause-effect chains, as a widely used modeling method in real-time embedded systems, are extensively applied in various safety-critical domains. End-to-end latency, as a key real-time attribute of cause-effect chains, is crucial in many…

Systems and Control · Electrical Eng. & Systems 2026-01-29 Yixuan Zhu , Yinkang Gao , Bo Zhang , Xiaohang Gong , Binze Jiang , Lei Gong , Wenqi Lou , Teng Wang , Chao Wang , Xi Li , Xuehai Zhou