Abstract
The transmission of massive amounts of small packets generated by access networks through high-speed Internet core networks to other access networks or cloud computing data centres has introduced several challenges such as poor throughput, underutilisation of network resources, and higher energy consumption. Therefore, it is essential to develop strategies to deal with these challenges. One of them is to aggregate smaller packets into a larger payload packet, and these groups of aggregated packets will share the same header, hence increasing throughput, improved resource utilisation, and reduction in energy consumption. This paper presents a review of packet aggregation applications in access networks (e.g., IoT and 4G/5G mobile networks), optical core networks, and cloud computing data centre networks. Then we propose new analytical models based on diffusion approximation for the evaluation of the performance of packet aggregation mechanisms. We demonstrate the use of measured traffic from real networks to evaluate the performance of packet aggregation mechanisms analytically. The use of diffusion approximation allows us to consider time-dependent queueing models with general interarrival and service time distributions. Therefore these models are more general than others presented till now.
Highlights
The amount of traffic generated by various access networks such as Digital SubscriberLines (DSLs), ethernet Local Area Networks (LANs), wireless LANs, mobile networks (e.g., 3G, 4G, and 5G networks), and recently, the Internet of Things (IoT) networks is increasing exponentially, and have likely increased significantly since the beginning of the year 2020.The recent increase in the amount of traffic carried over the Internet could be attributed to the global reaction to the outbreak of the COVID-19 pandemic by transferring some key services, and the recent increase in the rate of adoption of IoT
This paper presents a review of packet aggregation applications in access networks (IoT and 4G/5G mobile networks), optical core networks, and cloud computing data centre networks
The recent increase in the amounts of small packets generated by IoT networks, wireless sensor networks, and 4G/5G mobile networks has increased the need for more research on how to efficiently implement packet aggregation to meet the specific needs of these networks
Summary
The amount of traffic generated by various access networks such as Digital Subscriber. The transmission of massive amounts of smaller packets, broadband access networks and high-speed core networks introduces some challenges such as bandwidth wastage due to protocol overhead, inefficient use of network resources, and increased energy consumption. With the recent large scale proliferation of IoT sensor devices that generate massive amounts of relatively small packets, it is necessary to think about the various ways that packet aggregation schemes can be deployed to deal with the challenges introduced at the level of access networks, Internet core networks, and data centres. This paper presents a review of packet aggregation applications in access networks (IoT and 4G/5G mobile networks), optical core networks, and cloud computing data centre networks. We present a review of recent applications of packet aggregation in computer and telecommunication networks, from the access networks (e.g., IoT, wireless sensor, 4G/5G mobile networks), through Internet core networks to cloud data centre networks. Many papers have been published on the application of packet aggregation to improve throughput efficiency, improve resource utilization, and reduce energy consumption in computer networks, but we will limit our review to recent works
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