Performance evaluation for real-time traffic in differentiated services capable IP network

2003 ◽  
Author(s):  
Qyou Zhou ◽  
Hong Yu ◽  
D. Makrakis ◽  
O. Kabranov ◽  
L. Orozco-Barbosa
Keyword(s):  
Performance Evaluation ◽  
Real Time ◽  
Differentiated Services ◽  
Real Time Traffic ◽  
Ip Network

scholarly journals Assessments of Real-Time Communications over TSN Automotive Networks

Electronics ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 556
Author(s):  
Lucia Lo Bello ◽  
Gaetano Patti ◽  
Giancarlo Vasta
Keyword(s):  
Performance Evaluation ◽  
Real Time ◽  
Communication System ◽  
Traffic Management ◽  
Mac Layer ◽  
Automated Driving ◽  
Real Time Traffic ◽  
Management Scheme ◽  
Event Driven ◽  
Automotive Networks

The IEEE 802.1Q-2018 standard embeds in Ethernet bridges novel features that are very important for automated driving, such as the support for time-driven communications. However, cars move in a world where unpredictable events may occur and determine unforeseen situations. To properly react to such situations, the in-car communication system has to support event-driven transmissions with very low and bounded delays. This work provides the performance evaluation of EDSched, a traffic management scheme for IEEE 802.1Q bridges and end nodes that introduces explicit support for event-driven real-time traffic. EDSched works at the MAC layer and builds upon the mechanisms defined in the IEEE 802.1Q-2018 standard.

Buffer Management in Cellular IP Networks using Evolutionary Algorithms

2010 ◽  
Vol 1 (4) ◽  
pp. 1-22 ◽  
Author(s):  
Mohammad Anbar ◽  
Deo P. Vidyarthi
Keyword(s):  
Evolutionary Algorithms ◽  
Real Time ◽  
Optimization Problems ◽  
Buffer Management ◽  
Complex Problem ◽  
Base Station ◽  
Base Stations ◽  
Real Time Traffic ◽  
Ip Network ◽  
Cellular Ip

Real-time traffic in Cellular IP network is considered to be important and therefore given priority over non-real-time. Buffer is an important but scarce resource and to optimize Quality of Service by managing buffers of the network is an important and complex problem. Evolutionary Algorithms are quite useful in solving such complex optimization problems, and in this regard, a two-tier model for buffer, Gateway and Base Station, management in Cellular IP network has been propsed. The first tier applies a prioritization algorithm for prioritizing real-time packets in the buffer of the gateway with a specified threshold. Packets which couldn’t be served, after the threshold, is given to the nearest cells of the network to be dealt with in the second tier, while Evolutionary Algorithm (EA) based procedures are applied in order to optimally store these packets in the buffer of the base stations. Experiments have been conducted to observe the performance of the proposed models and a comparative study of the models, GA based and PSO based, has been carried out to depict the advantage and disadvantage of the proposed models.

scholarly journals Performance evaluation of comprehensive bandwidth utilization for 10-gigabit passive optical network

2019 ◽  
Vol 8 (3) ◽  
pp. 1053-1058
Author(s):  
N. A. Ismail ◽  
Sevia Mahdaliza Idrus ◽  
R. A. Butt ◽  
F. Iqbal ◽  
A. M. Zin ◽  
...  
Keyword(s):  
Performance Evaluation ◽  
Real Time ◽  
Bandwidth Allocation ◽  
Optical Network ◽  
Passive Optical Network ◽  
Bandwidth Utilization ◽  
Traffic Class ◽  
Real Time Traffic ◽  
Traffic Generator ◽  
And Performance

Bandwidth allocation during upstream transmission is crucial to determine the efficiency and performance of a XG-PON. For XG-PON, bandwidth assignment is done based on T-CONT which represents a traffic class as per ITU recommendation. DBA scheme used in this paper is based on CBU to assign bandwidth to ONUs based on the T-CONT supporting QoS as per SLA. In this paper, CATV traffic is used as traffic generator which used for generation of Ethernet frames and results showed expected trend of mean upstream delay for traffic class T2, T3 and T4 as compared to recommended value which is below 1.5ms. These results prove that CBU can also be implemented on real time traffic.

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