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...

Ngày tải lên: 26/09/2015, 11:07

... 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...

Ngày tải lên: 11/09/2015, 16:05

... 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...

Ngày tải lên: 14/09/2015, 08:36

... 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...

Ngày tải lên: 16/09/2015, 15:55

... 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...

Ngày tải lên: 15/09/2015, 21:52

... Trong bối cảnh chuyển mạch quang chùm OBS đánh giá cao xem công nghệ cân chuyển mạch quang kênh chuyển mạch quang gói Thêm vào chuyển mạch quang chùm OBS phức tạp so với chuyển mạch quang kênh nên ... chuyển mạch quang biết đến là: chuyển mạch quang kênh, chuyển mạch quang gói chuyển mạch quang chùm OBS Chuyển mạch quang kênh h...

Ngày tải lên: 09/10/2014, 21:13

... Observations Traffic grooming in WDM networks 9.1 Traffic grooming in WDM rings 9.2 Static traffic grooming in rings 9.3 Dynamic traffic grooming in WDM networks Gains of traffic grooming 10.1 Network ... of realizing multi-fiber, multi-wavelength, optical time-switched networks These networks are referred to as WDM- TDM switched or WDM grooming networks WD...

Ngày tải lên: 01/06/2014, 11:37

... decisions are made individually for each path rather than for the entire line Therefore, no signaling is needed in UPSR For instance, as shown in Fig 2.5(b), in the case of a cable cut, the tail-end ... While various survivability schemes can be employed at different levels, this thesis focuses on designing survivability schemes in the logical layer for dynamic traffic...

Ngày tải lên: 11/09/2015, 10:18

... three inputs B Sparse WDM Switching Networks Using Concentrators B.1 Construction of Sparse WDM Switching Networks We now consider using concentrators in a single stage WDM optical switching network ... consists of crossbars and sparse crossbars of smaller sizes rxr Crossbar mxn Sparse Crossbar nxm Sparse Crossbar rxr Crossbar mxn Sparse Crossbar nx...

Ngày tải lên: 24/10/2013, 04:15

... Table 2.1 Switching granularity Fiber switching Waveband switching Wavelength switching Subwavelength switching Optical circuit switching (OCS) Optical burst switching (OBS) Optical packet switching ... overview of optical networks 1.1 1.2 1.3 1.4 1.5 Optical point-to-point links SONET/SDH Multiplexing: TDM, SDM, and WDM Optical TDM networks Optical WDM netw...

Ngày tải lên: 10/12/2013, 14:15

... the burst construction in the downlink transmission, i.e., downlink burst construction 2.2 Burst construction in downlink transmission The downlink burst structure specified by the IEEE 802.16 ... for two-dimensional uplink burst construction in IEEE 802.16 networks Comput Stand Interfaces (2011) doi:10.1186/1687-1499-2011-173 Cite this article as: La...

Ngày tải lên: 20/06/2014, 22:20

... direction in a similar method to normal particles However, in order to check for termination criteria (1), mentioned in Section 3, the number of batched particles in a super particle is considered for ... nostalgia, and number of particles in the algorithm The training process could be performed manually by observing the behaviour of the particles in a specific system or usin...

Ngày tải lên: 21/06/2014, 17:20

... Genova, Italy, June 2009 [12] I Bahceci and A K Khandani, “Linear estimation of correlated data in wireless sensor networks with optimum power allocation and analog modulation,” IEEE Transactions ... Power Allocation with Perfect CSI 3.1 Minimization of the Distortion Subject to the Power Constraint We base our adaptive power allocation design on the...

Ngày tải lên: 21/06/2014, 17:20

... 8) Instead of focusing on a given destination point and trying to determine the angular flux at that particular point, we can consider the contribution of the source point to the flux at any point ... measured in m, is given by = PRELIMINARIES In this section, we introduce the necessary notation and definitions for analyzing the transport of the packets and the resulting traffic load...

Ngày tải lên: 22/06/2014, 19:20

... Camp, “Comparison of broadcasting techniques for mobile ad hoc networks,” in Proceedings of the 3rd ACM International Symposium on Mobile Ad Hoc Networking and Computing (MOBIHOC ’02), pp 194–205, ... Williams and T Camp, “Comparison of broadcasting techniques for mobile ad hoc networks,” in Proceedings of the 3rd ACM International Symposium on Mobile Ad...

Ngày tải lên: 22/06/2014, 22:20