Implementation of Class-Based Low Latency Fair Queueing (CBLLFQ) Packet Scheduling Algorithm for HSDPA Core Network

doi:10.3837/tiis.2020.02.001

Cited by 3 publications

(2 citation statements)

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“…A scheduling algorithm that categorizes and prioritizes the real-time traffic was developed [14]. Sohail et al [15] proposed Class-Based Low Latency Fair Queueing (CBLLFQ) Packet Scheduling Algorithm which utilizes a mapping criterion and an efficient queuing mechanism for voice, video and other traffic in separate queues. Rukmani et al [16] proposed an Enhanced LLQ (ELLQ) with an additional Primary Strict Priority Queuing (PSPQ) for scheduling the video applications separately along with the dedicated Secondary (SSPQ) for voice applications.…”

Section: Related Workmentioning

confidence: 99%

The Performance Analysis of Low Latency Queueing Scheduling Algorithm for MANETs

2023

PSEN

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Delay is a major Quality of Service (QoS) metric in Mission Critical Applications and some of these include health, vehicle and inspection safety applications. Some of such applications run on Mobile Ad Hoc Network (MANET) set ups which comes with transmission challenges arising from the size of traffic packets, environmental conditions and others. These challenges cause transmission delays, packet loss and hence a degraded network performance. In this article we study a Low Latency Queueing (LLQ) Scheduling Algorithm that makes use of three priority queues each transmitting voice, video and text packets. For the purposes of improving delay performance piggy backing off video packets on voice transmission is used. The LLQ model is developed under two scenarios as follows: (I) when voice packet is delayed once and piggybacked with video on transmission. (II) when voice packet is delayed only if there is a partial video packet being transmitted. During scheduling of traffic voice packets are combined with the partial video packet. We investigate the performance variation of the LLQ in an M/G/1 queue under different scenarios and under two service distributions namely: Exponential and Bounded Pareto (BP). The numerical results for the first scenario revealed that the video packets experienced the least conditional mean response time/conditional mean slowdown, followed by voice and least were text packets under LLQ Algorithm. While for second scenario, it was observed that voice packets experienced the least conditional mean response time/conditional mean slowdown, followed by video packets and then text packets in that order under LLQ Algorithm.

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Section: Related Workmentioning

confidence: 99%

The Performance Analysis of Low Latency Queueing Scheduling Algorithm for MANETs

2023

PSEN

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“…(1) DiffServ service agreement By using a service-level agreement (SLA) [26,27], clients and ISPs have a confidential agreement. This contract is crucial in determining the services' particular specifications provided to the clients.…”

Section: Diffserv Mechanismmentioning

confidence: 99%

Evaluation of Differentiated Services Policies in Multihomed Networks Based on an Interface-Selection Mechanism

et al. 2022

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Quality of service metrics and differentiated service mechanism policies are the most important criteria to deliver essential Internet requirements, especially during user handover, due to the rapid growth of users, multimedia applications, and traffic. DiffServ routers provide per-hop behaviors to manage traffic for services, whereas their policies have been applied to several types of Internet traffic, such as hypertext transfer protocol, file transfer protocol, and content-based routing. Multihoming aims to improve the reliability, scalability, and performance of data communications networks. This paper evaluated DiffServ various policies compared in a systematic manner (in two stages) over the multihomed networks to utilize and adopt the best policy for communicating packets, and enhanced the overall performance in terms of throughput, end-to-end latency, and processing time. Moreover, the paper introduced an interface-selection technique for multihomed nodes to select a proper interface, which provides the best services and links the behaviors that this interface yields. The overall results showed how the introduced multihoming-based interface-selection mechanism managed to maintain communication with the multihomed node. Furthermore, our results showed that the DiffServ time-sliding window with a three-color marking policy achieved the best system performance compared with the remaining policies.

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An Improved Low Latency Queueing Scheduling Algorithm for MANETs

Muwumba

Eyobu

Ngubiri

2023

Lecture Notes in Networks and Systems

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Implementation of Class-Based Low Latency Fair Queueing (CBLLFQ) Packet Scheduling Algorithm for HSDPA Core Network

Cited by 3 publications

References 26 publications

The Performance Analysis of Low Latency Queueing Scheduling Algorithm for MANETs

The Performance Analysis of Low Latency Queueing Scheduling Algorithm for MANETs

Evaluation of Differentiated Services Policies in Multihomed Networks Based on an Interface-Selection Mechanism

An Improved Low Latency Queueing Scheduling Algorithm for MANETs

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