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Differentiated services with statistical real-time guarantees in static-priority scheduling networks

Shengquan Wang, Dong Xuan, R. Bettati, Wei Zhao
Proceedings 22nd IEEE Real-Time Systems Symposium (RTSS 2001) (Cat. No.01PR1420)  
We propose and analyze a methodology for providing absolute differentiated services with statistical performance guarantees for real-time applications in networks that use class-based (as opposed to flow-aware  ...  We develop a method that can be used to derive statistical delay guarantees in a flow-unaware fashion.  ...  Conclusions In this paper, we have proposed a methodology for providing absolute differentiated services with statistical performance guarantees in networks that use static priority schedulers.  ... 
doi:10.1109/real.2001.990626 dblp:conf/rtss/WangXBZ01 fatcat:fec6fnc5yvasdkkylk34avfpd4

Providing absolute differentiated services with statistical guarantees in static-priority scheduling networks

Shengquan Wang, Dong Xuan, R. Bettati, Wei Zhao
Proceedings Seventh IEEE Real-Time Technology and Applications Symposium  
In this paper; we propose and analyze a methodology for providing absolute digerentiated services with statistical pe formance guarantees for real-time applications in networks that use static-priority  ...  We extend previous work on delay analysis and develop a method that can be used to derive statistical delay guarantees in a flowunaware fashion.  ...  Conclusions In this paper, we have proposed a methodology for providing absolute differentiated services with statistical performance guarantees in networks that use static-priority schedulers.  ... 
doi:10.1109/rttas.2001.929877 dblp:conf/rtas/WangXBZ01 fatcat:zd5a6krp7jdi7apevdbjjecs5u

Toward statistical QoS guarantees in a differentiated services network

Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
2009 Telecommunications Systems  
In this paper, we propose and analyze a methodology for providing statistical guarantees within the diffserv model in a network, which uses static-priority schedulers.  ...  As expected, our experimental data show that statistical services can achieve much higher utilization than deterministic services.  ...  Acknowledgements This work was funded in part by Rackham Fac-  ... 
doi:10.1007/s11235-009-9212-7 fatcat:bhy2rt5uird2dcj2uxlvwgmtwa

Providing Absolute Differentiated Services for Real-Time Applications in Static-Priority Scheduling Networks

S. Wang, D. Xuan, R. Bettati, W. Zhao
2004 IEEE/ACM Transactions on Networking  
Traditionally, schedulers in differentiated services networks assign priorities on a class-by-class basis, with the same priority for each class on each router.  ...  In this paper, we propose and analyze a methodology for providing absolute differentiated services for real-time applications.  ...  CONCLUSION In this paper, we have proposed a methodology for providing absolute differentiated services for real-time applications in networks that use static-priority schedulers.  ... 
doi:10.1109/tnet.2004.826286 fatcat:7vtyf7bh5vcldixql4ytjibioq

Performance Evaluation of e-Learning Applications in UMTS Network

Fatuma Simba, Lena Trojer, Bakari Mwinyiwiwa
2018 International Journal of Computer Applications  
Simulation results show that a UMTS network configured with traffic differentiation and priority scheduling can deliver e-learning services with page response time of less than 4 seconds.  ...  The aim of this paper is to study the effect of traffic differentiation and priority scheduling in providing Quality of Service (QoS) for e-learning applications in Universal Mobile Telecommunication System  ...  time of e-learning applications with traffic differentiation and priority scheduling 6.  ... 
doi:10.5120/ijca2018917034 fatcat:igkz3rpdzndg5jihzf5pueflza

Examining QoS Guarantees for Real-Time CBR Services in Broadband Wireless Access Networks [chapter]

Hong Zhou, Zhongwei Zhang
2011 Studies in Computational Intelligence  
Most of research in this area have been focused on deterministic delay bounds and the statistical bounds of differentiated real-time services are not well known.  ...  A wide range of emerging real-time services (e.g. VoIP, video conferencing, video-on-demand) require different levels of Quality of Services (QoS) guarantees over wireless networks.  ...  guarantees is negligible for most real-time services.  ... 
doi:10.1007/978-3-642-22288-7_3 fatcat:qmsmxy4efzdjlohl5l2ibacqpq

Providing statistical delay guarantees in wireless networks

S. Wang, R. Nathuji, R. Bettati, W. Zhao
2004 24th International Conference on Distributed Computing Systems, 2004. Proceedings.  
This work studies the delay performance of policed traffic to provide real-time guarantees over wireless networks.  ...  In this paper, we describe a general framework to incorporate such models into delay guarantee computations for real-time traffic.  ...  For wired networks with static priority scheduling, we addressed the issue of how to provide statistical real-time guarantees in [19] , based on Knightly's earlier work in [10] .  ... 
doi:10.1109/icdcs.2004.1281567 dblp:conf/icdcs/WangNBZ04 fatcat:2t5aqitjgbbofeawjjqu4os2qi

QoS-aware MAC protocols for wireless sensor networks: A survey

M. Aykut Yigitel, Ozlem Durmaz Incel, Cem Ersoy
2011 Computer Networks  
According to this survey, we observe that instead of providing deterministic QoS guarantees, majority of the protocols follow a service differentiation approach by classifying the data packets according  ...  Design tradeoffs and open research issues are also investigated to point out the further possible research directions in the field of QoS provisioning in wireless sensor networks at the MAC layer.  ...  Service differentiation is the widely adopted scheme in both wired and wireless networks to provide hard/soft QoS guarantees.  ... 
doi:10.1016/j.comnet.2011.02.007 fatcat:oepcdvdeqrdbrkxdkmetyhfrru

Using Holistic Queue Scheduling to Optimize the Real-Time Performance of AFDX

Liu Jing
2014 Open Automation and Control Systems Journal  
To cope with this problem, this paper presents a Holistic Queue Scheduling policy to optimize the real-time performance of AFDX, and estimate the latency bounds based on Network Calculus.  ...  Simulation results show that this policy not only ensures real-time critical data, but also ensures the fairness of scheduling non-critical data.  ...  Simulation results show that, FIFO algorithm is fair for all data streams, but can't provide differentiated services based on the quality of real-time demand; SP algorithm guarantees the hard real-time  ... 
doi:10.2174/1874444301406011612 fatcat:6j6xtivui5dxvjumpk5jfsge5i

Cooperative and Efficient Real-Time Scheduling for Automotive Communications

Yu Hua, Lei Rao, Xue Liu, Dan Feng
2014 2014 IEEE 34th International Conference on Distributed Computing Systems  
FlexRay is an automotive network communication protocol. It provides support to transmit time-sensitive messages in automobiles.  ...  CoEfficient schedules both static and dynamic segments in the dual-channel manner based on practical fault models.  ...  Existing real-time scheduling schemes can offer fault-tolerant services well for either scheduling homogenous data segments or managing a single channel, which failing to meet the needs of FlexRay's real-time  ... 
doi:10.1109/icdcs.2014.22 dblp:conf/icdcs/HuaRLF14 fatcat:5vi2gescvzdtbinkztxn3cs4ue

Toward Quality of Service Protection in Ethernet Passive Optical Networks: Challenges and Solutions

Chadi Assi, Martin Maier, Abdallah Shami
2007 IEEE Network  
However, in order to support and "protect" the QoS of real-time traffic, one needs, in addition to bandwidth allocation and service differentiation, an admission control (AC) algorithm that makes decisions  ...  Furthermore, appropriately controlling the admission of real-time traffic will prevent malicious users from manipulating the upstream channel by sending more traffic into the network than their service  ...  Admission Control in EPON In order to support and protect the QoS of real-time streams, one needs, in addition to bandwidth allocation (inter-ONU) and service differentiation and scheduling (intra-ONU)  ... 
doi:10.1109/mnet.2007.4305167 fatcat:psbsarnhkzgnzpemueeu4omj4q

Providing deterministic delay guarantees in ATM networks

Seok-Kyu Kweon, K.G. Shin
1998 IEEE/ACM Transactions on Networking  
In particular, per-packet (per-cell) delay guarantees are an important QoS requirement for real-time applications.  ...  Broadband Integrated Services Digital Network (B-ISDN) is expected to carry various types of traffic, including best-effort as well as real-time traffic like video-on-demand, live multimedia conferences  ...  concurrently with channel i. bursty real-time connections are not used, it does not lose the statistical multiplexing gain of ATM networks, unlike TDMA.  ... 
doi:10.1109/90.748093 fatcat:c7gfg6nahncbfcuwq65wcaelja

An Efficient End-to-End QoS Supporting Algorithm in NGN Using Optimal Flows and Measurement Feed-Back for Ubiquitous and Distributed Applications [chapter]

Se Youn Ban, Seong Gon Choi, Jun Kyun Choi
2006 Lecture Notes in Computer Science  
By showing optimal flows in heterogeneous QoS capability network, NGN can support average delay of end-to-end which the applications could receive proper Quality of Service over network.  ...  This paper proposes an efficient end-to-end QoS supporting mechanism in Next Generation Network (NGN) with heterogeneous QoS capability to support ubiquitous and distributed applications.  ...  Utilization-Based Admission Control [9] Utilization-based Admission Control (UBAC) provides statistical guarantees within the diffserv model in a network, that uses static-priority schedulers.  ... 
doi:10.1007/11807964_58 fatcat:w2vtkr6kcbdehovz74ui5krz5i

Dedicated Bandwidth Approach for Channel Allocation in a Multi-Service Up/Down Link of a Low Earth Orbit Satellite Constellation [chapter]

Rima Abi Fadel, Samir Tohmé
2003 Mobile and Wireless Communications  
The scheme proposed consists in dedicating a certain amount of the total bandwidth for serving real time services, while the remaining bandwidth is shared according to a strict priority scheduling scheme  ...  Three types of services are assumed: real time (voice) services with strict constraints over the delay and the bandwidth, non real time (data) services delay tolerant but with bandwidth guarantees requirements  ...  In [8] , static priority scheduling SPS is compared with other scheduling techniques in a General Packet Radio Switch system.  ... 
doi:10.1007/978-0-387-35618-1_14 dblp:conf/ifip6-8/FadelT02 fatcat:nktmdan62jgbxmzrdwojgokdfi

QoS and resource management in distributed interactive multimedia environments

Klara Nahrstedt, Ahsan Arefin, Raoul Rivas, Pooja Agarwal, Zixia Huang, Wanmin Wu, Zhenyu Yang
2010 Multimedia tools and applications  
Quality of Service (QoS) is becoming an integral part of current ubiquitous Distributed Interactive Multimedia Environments (DIMEs) because of their high resource and real-time interactivity demands.  ...  We consider QoS and resource management influenced by two most important resources; the computing (CPU) and networking resources.  ...  RK uses a priority inheritance algorithm with a bounded waiting time and a static priority algorithm (e.g. Rate Monotonic) to schedule CPU resources.  ... 
doi:10.1007/s11042-010-0627-7 fatcat:bxffenweb5e7dklijfxjelr6ji
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