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A New Replica Placement Algorithm for Improving the Performance in CDNs

Lei Zhang, Hui Tian, Stephan Steglich
2009 International Journal of Distributed Sensor Networks  
In response to these challenges, commercial Content Distribution Network (CDN) deploys a set of proxy servers called replicas and improves the content delivery performance by replicating the content to  ...  Based upon simulation results, we conclude that our cost-based greedy algorithm for web server replica placement can provide CDNs with performance that is close to optimal.  ...  In response to these challenges, commercial Content Distribution Network (CDN) deploys a set of proxy servers called replicas and improves the content delivery performance by replicating the content to  ... 
doi:10.1080/15501320802524011 fatcat:6m57oywgb5d4xci7ick5javncm

Tradeoffs in CDN designs for throughput oriented traffic

Minlan Yu, Wenjie Jiang, Haoyuan Li, Ion Stoica
2012 Proceedings of the 8th international conference on Emerging networking experiments and technologies - CoNEXT '12  
Design, Performance Keywords content distribution networks, throughput, multipath 10 We get the function based on the transit bandwidth cost-1$ at 1G, 0.5$ at 10G, and 0.25$ at 100G [15].  ...  These applications introduce new tradeoffs and design choices for content delivery networks (CDNs).  ...  We especially thank Dahai Xu for improving the scalability of our optimization code and David Choffnes for providing us the locations of Akamai and Limelight servers from their PlanetLab measurement.  ... 
doi:10.1145/2413176.2413194 dblp:conf/conext/YuJLS12 fatcat:vmhzxkh5nzddtdaqdhivhotnwe

Energy-Efficient Caching for Mobile Edge Computing in 5G Networks

Zhaohui Luo, Minghui LiWang, Zhijian Lin, Lianfen Huang, Xiaojiang Du, Mohsen Guizani
2017 Applied Sciences  
With the benefits of avoiding potential network congestion and alleviating the backhaul links burden, caching popular content at MECSs for backhaul capacity-limited mobile networks has emerged as a cost  ...  Most existing studies focus on cache allocation, mechanism design and coding design for caching.  ...  Joint Delay Cost with Power Consumption Optimization In this subsection, we will give the joint optimization for time delay and energy cost.  ... 
doi:10.3390/app7060557 fatcat:nbol46adfzgifi3trptcd7xcja

Context-Adaptive Information Flow Allocation and Media Delivery in Online Social Networks

Jacob Chakareski, Pascal Frossard
2010 IEEE Journal on Selected Topics in Signal Processing  
For practical deployments, we also design a distributed version of the optimization framework that provides similar performance to its centralized counterpart, with lower complexity.  ...  We provide a comprehensive investigation of the performance of our optimization strategies through both simulations and analysis.  ...  ACKNOWLEDGMENT The authors would like to thank the associate editor for his guidance in revising the paper and the anonymous reviewers for their invaluable comments.  ... 
doi:10.1109/jstsp.2010.2049413 fatcat:qrojjreokbgjta2ymniwdzvrqm

Coordinating In-Network Caching in Content-Centric Networks: Model and Analysis

Yanhua Li, Haiyong Xie, Yonggang Wen, Zhi-Li Zhang
2013 2013 IEEE 33rd International Conference on Distributed Computing Systems  
We then derive the optimal strategy for provisioning the storage capability that optimizes the overall network performance and cost, and analyze the performance gains via numerical evaluations on real  ...  between the network performance and the provisioning cost.  ...  routers' storage capability for content caching, so as to optimize the overall network performance and provisioning cost.  ... 
doi:10.1109/icdcs.2013.71 dblp:conf/icdcs/LiXWZ13 fatcat:dwtgclfi2rcwnfag25pfoizhja

First Mile in Crowdsourced Live Streaming

Haitian Pang, Zhi Wang, Chen Yan, Qinghua Ding, Lifeng Sun
2017 Proceedings of the on Thematic Workshops of ACM Multimedia 2017 - Thematic Workshops '17  
In order to provide global optimal and real-time assignment, we use a hybrid solution, i.e., centralized assignment and distributed assignment.  ...  We use a multi-armed bandit (MAB) based method to perform the distributed assignment.  ...  [9] designed a hybrid controller to improve the performance of the CDN, and further used a centralized algorithm for live video optimization. Chen et al.  ... 
doi:10.1145/3126686.3126703 dblp:conf/mm/PangWYDS17 fatcat:f2iwpp5mnvbj3ewcclntqljqfe

The disparity between P2P overlays and ISP underlays: issues, existing solutions, and challenges

Jie Dai, Fangming Liu, Bo Li
2010 IEEE Network  
Based on the lessons we have learned, we further highlight future research challenges and issues regarding the joint design and optimization of P2P system performance and ISP traffic and costs.  ...  can lead to inefficient utilization of Internet resources and poor system performance, as well as resulting in immense costs for ISPs due to the costly inter-ISP traffic; on the other hand, current existing  ...  Acknowledgment The research was support in part by a grant from RGC under contract 615608 and by a grant from NSFC/RGC under contract N_HKUST603/07.  ... 
doi:10.1109/mnet.2010.5634441 fatcat:gbxs7h2yfbgf5hhlyiohgpq7vq

Animation Art Design Online System Based on Mobile Edge Computing and User Perception

Jianzhi Liu, Gengxin Sun
2021 Journal of Sensors  
content by up to 15.9%, improves the hit rate of edge user perception node animation design by at least 13.7%, and reduces the traffic entering the core network by up to 32.1%.  ...  Based on mobile edge computing and user perception technology, this paper analyzes and discusses the respective advantages and disadvantages of the important optimization models and mobile models in the  ...  design information transmission, project number 1010147001009).  ... 
doi:10.1155/2021/9974170 fatcat:sjs7m7jt2vatzdtxdocvoelau4

Video-on-Demand Networks: Design Approaches and Future Challenges

Frederic Thouin, Mark Coates
2007 IEEE Network  
Various optimization strategies exist to produce designs that minimize network cost and also respect quality constraints.  ...  We present the architectures and topologies that have been considered for content distribution (delivery) networks (CDNs) and VoD deployments, as well as the mechanisms required to build a network cost  ...  Various optimization strategies exist to produce designs that minimize network cost and also respect quality constraints.  ... 
doi:10.1109/mnet.2007.334311 fatcat:kx4edipjcbbf7jm47cnoolroky

Cost-Aware Optimisation of Cache Allocation for Information-Centric Networking

Haozhe Wang, Jia Hu, Geyong Min, Wang Miao, Nektarios Georgalas
2017 GLOBECOM 2017 - 2017 IEEE Global Communications Conference  
Information-centric networking (ICN) is an emerging paradigm that decouples content from the host to achieve fast and cost-efficient communication and content distribution in the future Internet.  ...  Two new models are designed to characterise the cost and QoS of ICN with arbitrary topology under heterogeneous bursty content requests.  ...  Nevertheless, it is difficult to balance the network cost and QoS performance. Therefore, a new optimal caching scheme is designed to balance the cost and QoS goals.  ... 
doi:10.1109/glocom.2017.8254032 dblp:conf/globecom/WangHMMG17 fatcat:axbo36ixefahroppnksuemz5ea

A TTL-based Approach for Content Placement in Edge Networks [article]

Nitish K. Panigrahy, Jian Li, Faheem Zafari, Don Towsley, Paul Yu
2020 arXiv   pre-print
However, due to the uncertainty and diversity of user interests, content popularity, distributed network structure, cache sizes, it is challenging to decide where to place the content, and how long it  ...  We propose provably optimal distributed algorithms that operate at each network cache to maximize the overall network utility.  ...  Based on this, we design a distributed iterative primal-dual algorithm for content placement in edge network.  ... 
arXiv:1711.03941v4 fatcat:gtrqb46pcrhethoaq5gpuwetay

A Novel Location Aware Content Prefetching Technique for Mobile Adhoc Network

D.N. Shashidhara, D.N. Chandrappa, C Puttamadappa
2020 Procedia Computer Science  
Along with, our model can minimize processing time and cost for carrying out content prefetching operation.  ...  Along with, our model can minimize processing time and cost for carrying out content prefetching operation.  ...  Thus, incorporating mobile adhoc networks with the Internet for data access, required effective design and methodologies.  ... 
doi:10.1016/j.procs.2020.04.211 fatcat:o5dtmq4lfvawloh32tdplsko24

Minimizing Delivery Cost in Scalable Streaming Content Distribution Systems

J.M. Almeida, D.L. Eager, M.K. Vernon, S.J. Wright
2004 IEEE transactions on multimedia  
as to minimize the total server and network delivery cost.  ...  However, a key unresolved issue is how to design scalable content distribution systems that place replica servers closer to various client populations and route client requests and response streams so  ...  Thus, for , the difference between the conventional and optimal scalable content distribution designs may be somewhat greater for server bandwidth and somewhat less for network bandwidth than is the case  ... 
doi:10.1109/tmm.2003.822796 fatcat:newnv7c7gzeqxclhemow25qupq

A Review on Green Caching Strategies for Next Generation Communication Networks

M. Ishtiaque A. Zahed, Iftekhar Ahmad, Daryoush Habibi, Quoc Viet Phung, Md Munjure Mowla, Muhammad Waqas
2020 IEEE Access  
Content allocation and delivery strategies evaluate network performance and associated costs in terms of these metrics, which are utilized for caching decision making.  ...  Dynamic approaches involving deep reinforcement learning and markov decision process can help in designing optimal distribution and management policy for the edge servers.  ... 
doi:10.1109/access.2020.3040958 fatcat:stj6zehnh5a3jcznqckmwwtwbe

Optimal Service Placement in Distributed Networks

Raji Rajasekharan
2015 International Journal on Recent and Innovation Trends in Computing and Communication  
As our world becomes more interconnected, there is an increasingly important role for distributed computer system. Designing these systems is not an easy task.  ...  Optimal placement of service facilities reduces network traffic and improves connectivity between clients and servers.  ...  This change poses new requirements on the Internet itself, which was not specifically designed to perform content distribution.  ... 
doi:10.17762/ijritcc2321-8169.150417 fatcat:5qlxli5j5rerrkm2bprmyyunou
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