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...

Ngày tải lên: 14/09/2015, 08:36

... 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

... 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

... 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

... 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

... 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

... of intermediate ATM switching Savings in Bandwidth ATM switching in the access supports ATM concentration, providing finer granularity and statistical multiplexing benefits This results in savings ... Contents Introduction 7  Role of ATM in 3G Access Networks 8  Introduction of ATM Switching into the Access Network 8  STM-1 Interfaces in the RNC 8  Savings in B...

Ngày tải lên: 19/04/2014, 19:07

... of theoretical approaches have been developed to understand its origins Two of them have been especially successful in explanation of the phenomenon of burstiness In the first one, the focus of ... Journal on Bioinformatics and Systems Biology Denoting σ = −1/R (0), we find that exp[R(0) − τ /(2σ )] is a good representation of the integrand in (D.1) both in the vicinit...

Ngày tải lên: 22/06/2014, 00:20

... discussed in Sections and Specifically, the tight coupling between routing and wavelength assignment remains, and even becomes stronger: in the absence of wavelength conversion the same wavelength ... routing problem in electronic networks The additional complexity arises from the fact that routing and wavelength assignment are subject to the following two con...

Ngày tải lên: 06/08/2014, 00:21

... the routing problem in electronic networks The additional complexity arises from the fact that routing and wavelength assignment are subject to the following two constraints: Wavelength continuity ... path) and wavelength assignment (allocating an available wavelength for the connection) The resulting problem is referred to as the routing and wavelength assignme...

Ngày tải lên: 06/08/2014, 00:21

... pages 20 9 22 0, November 1998 [25 ] G Sahin and M Azizoglu Multicast routing and wavelength assignment in wide-area networks In Proceedings of SPIE, volume 3531, pages 196 20 8, November 1998 [26 ] ... Prentice Hall, Inc., Englewood Cliffs, NJ, 19 92 [20 ] E Karasan and E Ayanoglu Effects of wavelength routing and selection algorithms on wavelength conversion gain...

Ngày tải lên: 06/08/2014, 00:21

... of new and novel techniques for reducing the cost of wavelength conversion in Optical Switching (OS) nodes The techniques are useful for reducing cost in OS nodes like Optical Burst Switching (OBS), ... circuit switching (OCS, in some literatures, is referred as wavelength switching or wavelength routed) [3], optical packet switching (OPS) [4] and op...

Ngày tải lên: 16/09/2015, 08:31

... Routing and Switching Algorithms ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ Summary of Available IP Routing Protocols Cisco IOS supports a number of IP routing ... that now only RIP II routing updates are sent and received, and updates are still sent out every 30 seconds Table 6.1 provides a summary of common RIP I and II configuration co...

Ngày tải lên: 21/12/2013, 19:15

... Switch A 10.1.1.1 /24 Switch B 10.1.1 .2/ 24 PC-1 10 .2. 1.1 /24 PC -2 10 .2. 1 .2/ 24 PC-3 10.3.1 .2/ 24 VLAN - 10.1.1 .25 4 /24 Router VLAN - 10 .2. 1.1 .25 4 /24 VLAN - 10.3.1.1 .25 4 /24 VTP Domain: lab VLAN name: ... 10.3.1 .25 4 25 5 .25 5 .25 5.0 Router(config-subif)#encapsulation isl Part 2: Multi-Layer Switching Goals Configure Multi-layer Switching on the r...

Ngày tải lên: 18/01/2014, 04:20