scholarly journals Lightweight caching strategy for wireless content delivery networks

2014 ◽  
Vol 3 (4) ◽  
pp. 150-155 ◽  
Author(s):  
Jihoon Sung ◽  
June-Koo Kevin Rhee ◽  
Sangsu Jung
Keyword(s):  
Content Delivery ◽  
Caching Strategy ◽  
Content Delivery Networks ◽  
Delivery Networks

scholarly journals A Novel Fog Computing Based Architecture to Improve the Performance in Content Delivery Networks

2019 ◽  
Vol 2019 ◽  
pp. 1-13 ◽  
Author(s):  
Fatimah Alghamdi ◽  
Saoucene Mahfoudh ◽  
Ahmed Barnawi
Keyword(s):  
Routing Protocol ◽  
Fog Computing ◽  
Content Delivery ◽  
The Other ◽  
Delivery Ratio ◽  
Download Time ◽  
Caching Strategy ◽  
Content Delivery Networks ◽  
Content Availability ◽  
Delivery Networks

Along with the continuing evolution of the Internet and its applications, Content Delivery Networks (CDNs) have become a hot topic with both opportunities and challenges. CDNs were mainly proposed to solve content availability and download time issues by delivering content through edge cache servers deployed around the world. In our previous work, we presented a novel CDN architecture based on a Fog computing environment as a promising solution for real-time applications. In such architecture, we proposed to use a name-based routing protocol following the Information Centric Networking (ICN) approach, with a popularity-based caching strategy to guarantee overall delivery performance. To validate our design principle, we have implemented the proposed Fog-based CDN architecture with its major protocol components and evaluated its performance, as shown through this article. On the one hand, we have extended the Optimized Link-State Routing (OLSR) protocol to be content aware (CA-OLSR), i.e., so that it uses content names as routing labels. Then, we have integrated CA-OLSR with the popularity-based caching strategy, which caches only the most popular content (MPC). On the other hand, we have considered two similar architectures for conducting performance comparative studies. The first is pure Fog-based CDN implemented by the original OLSR (IP-based routing) protocol along with the default caching strategy. The second is a classical cloud-based CDN implemented by the original OLSR. Through extensive simulation experiments, we have shown that our Fog-based CDN architecture outperforms the other compared architectures. CA-OLSR achieves the highest packet delivery ratio (PDR) and the lowest delay for all simulated numbers of connected users. Furthermore, the MPC caching strategy shows higher cache hit rates with fewer numbers of caching operations compared to the existing default caching strategy, which caches all the pass-by content.

Content Delivery Networks

2020 ◽  
Vol 53 (2) ◽  
pp. 1-34 ◽  
Author(s):  
Behrouz Zolfaghari ◽  
Gautam Srivastava ◽  
Swapnoneel Roy ◽  
Hamid R. Nemati ◽  
Fatemeh Afghah ◽  
...  
Keyword(s):  
Content Delivery ◽  
Content Delivery Networks ◽  
Delivery Networks

scholarly journals Dynamic cache management in content delivery networks

2021 ◽  
Vol 187 ◽  
pp. 107822
Author(s):  
Srujan Teja Thomdapu ◽  
Palash Katiyar ◽  
Ketan Rajawat
Keyword(s):  
Content Delivery ◽  
Cache Management ◽  
Content Delivery Networks ◽  
Delivery Networks
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