Quality of service enhancement in optical burst switching networks without full wavelength convension capability
Quality of service enhancement in optical burst switching networks without full wavelength convension capability
... Foundation Network OBS Optical Burst Switching OCS Optical Circuit Switching ODBR On-Demand Burst Rescheduling OM Output Module OPS Optical Packet Switching OS Ordered Scheduling OXC Optical Cross-Connect ... each burst introduces long delay and the centralized nature of this scheme does not scale well in long-haul backbone networks 1.3 Quality Of Service In...
Algorithms for quality of service provisioning and enhancement in optical burst switched networks
... 1.3 Need for Quality of Service Support in Optical Burst Switched Networks and Challenges Due to the extreme popularity and success of the Internet, there is great diversity in current Internet ... develop algorithms for QoS provisioning and performance enhancement in OBS networks at different levels of operation Specifically, we de11 velop a burst sc...
Connection routing and configuration in optical burst switching networks
... methods combining burst fragmentation, load balancing and time slotting was presented to minimize the burst loss and achieve fairness A scheduling algorithm combining time-slotting and fragmentation ... all void intervals (including the interval between the end time of the last burst and +∞) This scheduling algorithm tries to minimize the starting void by assigning an incoming d...
Adaptive traffic distribution in optical burst switching networks
... Balancing and Multi-path Traffic Routing in IP/MPLS Networks 22 2.3 Load Balancing and Multi-path Traffic Routing in OBS Networks 24 CHAPTER ADAPTIVE PROPORTIONAL FLOW ROUTING IN IP-OVER-WDM OBS NETWORKS ... problem of adaptive traffic distribution in optical burst switching (OBS) networks has been studied We first focus on the problem of dynamically and effi...
Inter class service differentiation and intra class fairness in WDM optical burst switching networks
... aspects in WDM OBS networks such as the burst switching protocols, burst scheduling algorithms and service differentiation schemes as well as fairness schemes 2.1 WDM Optical Networks WDM optical networks ... electronically (including forwarding and switching) and the data packet is optically buffered using FDLs The switching of an optical packet has been...
Báo cáo hóa học: " Quality of service provision in mobile multimedia - a survey" doc
... layer and video adaptation at the application layer • Application-MAC-PHY layer Van Der Schaar, Andreopoulos and Hu [10] proposed an optimization over Application-MAC-PHY layer for scalable video ... at the transport layer, and wireless loss ratio from the MAC layer • Application-MAC layer Van Der Schaar and Turaga [45] developed a joint application-layer adaptive packetization and prioriti...
Quality of Service in IP Networks
... Principles o Traffic shaping l l leaky bucket token bucket o Scheduling strategies l l l l l FIFO Priority Round Robin Fair Queueing RED o IntServ o DiffServ Queue Management Improving QOS in IP ... in IP Networks o IETF groups are working on proposals to provide better QOS control in IP networks, i.e., going beyond best effort to provide some assurance for QOS o Work in Prog...
ON APPLICATION-PERCEIVED QUALITY OF SERVICE IN WIRELESS NETWORKS
... field application-perceived Quality of Service The work was done at the School of Engineering at Blekinge Institute of Technology (BTH) in the context of the Personal Information for Intelligent ... Messaging services, sending information essentially in one direction when required; • Interactive services, sending information in both directions in a request/response manner...
security & quality of service in ad hoc wireless networks
... 5.9 References Quality of service 6.1 Introduction 6.2 Routing in mobile ad hoc networks 6.3 Routing with quality of service constraints 6.4 Quality of service routing in ad hoc networks 6.5 Conclusion ... Acknowledgements Introduction 1.1 Ad hoc networking 1.2 The ad hoc wireless network: operating principles 1.3 Ad hoc networks: vulnerabiliti...
Quality of Service and Resource Allocation in WiMAXFig Part 1 pdf
... QPSK 1/ 2 5.82 5.65 5.33 4.80 QPSK 3/4 8.73 8.47 8.00 7.20 16 -QAM 1/ 2 11 .64 11 .29 10 .67 9.60 16 -QAM 3/4 64-QAM 2/3 64-QAM 3/4 17 .45 16 .94 16 .00 14 .40 23.27 22.59 21. 33 19 .20 26 .18 25. 41 24.00 21. 60 ... orders@intechweb.org Quality of Service and Resource Allocation in WiMAX, Edited by Roberto C Hincapie and Javier E Sierra p cm 978-953-307-956 -1 ...
Quality of Service and Resource Allocation in WiMAXFig Part 5 pdf
... WiMAX physical layer standard OFDM_BPSK_1_2 in our simulations [24] 100 Quality of Service and Resource Allocation in WiMAX UGS 350 0 3000 Throughput 250 0 2000 150 0 1000 50 0 300 800 1400 1900 2400 ... for the remaining users under high SINR assumption 114 Quality of Service and Resource Allocation in WiMAX Will-be-set-by -IN- TECH 10 3) Power minimization wi...
Quality of Service and Resource Allocation in WiMAXFig Part 6 pot
... pseudorandomly, thereby resulting in interference averaging as explained in Byeong Gi Lee & Sunghyun Choi (2008) 118 Quality of Service and Resource Allocation in WiMAX Will-be-set-by -IN- TECH ... Fundamentals of resource allocation in wireless c networks: Theory and algorithms, Springer Thanabalasingham, T., Hanly, S V., Andrew, L L H & Papandriopoulos, J (20 06)...
Quality of Service and Resource Allocation in WiMAXFig Part 7 doc
... left to the choice of the provider State of the art 3.1 Bandwidth sharing strategies: background To maintain a quality of service required by the constraining and restricting services, there are ... to C and types of service class (class and 2) If class (i.e aggreagted calls) uses I units then 154 Quality of Service and Resource Allocation in WiMAX Will-be-se...
Quality of Service and Resource Allocation in WiMAXFig Part 8 ppt
... structure defined in the IEEE 80 2.16 standard for TDD in PMP mode is shown in Fig Each frame has a duration of Δ and is divided into uplink and downlink subframes At the beginning of a downlink subframe, ... presents the details of Block B of Fig 2, which calculates the mean service time of REQs 182 Quality of Service and Resource Allocation in WiMAX Wil...
Quality of Service and Resource Allocation in WiMAXFig Part 9 docx
... uplink channel and the UL-MAP contains the physical specifications and also the time allocation of 202 Quality of Service and Resource Allocation in WiMAX resources After the downlink and uplink ... piece of information coded in 16 bits A connection is a unidirectional mapping between a BS and a 198 Quality of Service and Resource Allocation in WiMA...
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