Crowd-based collaboration caching mechanism in smart identifier network

Haifeng LI; Wei QUAN; Nan CHENG; Hongke ZHANG; Xuemin SHEN

doi:10.11959/j.issn.2096-3750.2018.00078

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Crowd-based collaboration caching mechanism in smart identifier network

Theory and Technology | 更新时间：2024-06-05

- Crowd-based collaboration caching mechanism in smart identifier network
- Chinese Journal on Internet of Things Vol. 2, Issue 4, Pages: 5-13(2018)
- 作者机构：
  
  1. 北京交通大学下一代互联网互联设备国家工程实验室，北京 100044
  2. 加拿大滑铁卢大学电气与计算机工程学院，安大略滑铁卢N2L 3G1
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2018.00078
  CLC： TP393
- Published：30 December 2018，
  
  Published Online：2018-12，
- 稿件说明：
移动端阅览
HAIFENG LI, WEI QUAN, NAN CHENG, et al. Crowd-based collaboration caching mechanism in smart identifier network. [J]. Chinese journal on internet of things, 2018, 2(4): 5-13.
DOI：

HAIFENG LI, WEI QUAN, NAN CHENG, et al. Crowd-based collaboration caching mechanism in smart identifier network. [J]. Chinese journal on internet of things, 2018, 2(4): 5-13. DOI： 10.11959/j.issn.2096-3750.2018.00078.

摘要

智慧标识网络（SINET

smart identifier network）是一种新型网络架构，其通过动态协作服务资源、功能族群以及物理组件，有效提高了网络可扩展性、资源利用率和服务质量，为工业物联网发展提供了一种有效手段。为了提高资源受限网络中的传输效率，SINET在部分网络组件中引入缓存，可降低资源受限节点流量冗余带来的带宽浪费。针对智慧标识网络架构，提出了一种基于族群协作的缓存机制（C2Cache

crowd-based collaboration cache）。C2Cache通过感知网络实际拓扑，动态创建与优化缓存功能族群，并以族群为单元执行最大收益缓存（MBC

maximum benefit cache）算法，同一族群中优先缓存收益排名靠前的网络内容，从而实现缓存效率的最大化。通过自主研发的实验床模拟系统EmuStack，对C2Cache进行了性能分析与评估，实验结果表明，对比LCE、Random、ProbCache、LCD和Greedy主流缓存机制，C2Cache可有效提高缓存命中率，从而大幅度降低平均访问时延。在测试网络场景下，性能提升15%~30%。

Abstract

Smart identifier network (SINET) is an innovative network architecture.Through dynamic collaboration of service resource

function groups and physical components

the network scalability

resource utilization and service quality were effectively improved by SINET

and an effective solution for the development of industrial Internet of things(IoT) could be provided.To promote content delivery in resource-constrained IoT

caching function was introduced in network components by SINET

and the bandwidth waste caused by traffic redundancy in resource-constrained node could be reduced.Therefore

how to efficiently cache content became an important research topic.Based on SINET architecture

a crowd-based collaboration cache (C2Cache) mechanism was proposed in this scheme.According to the actual network topology

the caching function group was dynamically created and optimized by C2Cache

and a function group as crowd minimum unit to execute the maximum benefit cache (MBC) algorithm was defined to maximize the caching space efficiency.With the self-developed emulation system

named EmuStack

the performance of C2Cache was evaluated.The experimental results show that

comparing with LCE

Random

Prob Cache

LCD and Greedy caching mechanisms

the cache hit rate can be improved effectively

then the average access time can be reduced significantly by C2Cache.In the simulated network scenario

the performance increases 15% to 30%.

关键词

智慧标识网络网络缓存基于族群的协作最大收益缓存

Keywords

smart identifier networkin-network cachecrowd-based collaborationmaximum benefit cache

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