a survey on fair bandwidth allocation for multicast over the internet

... survey on fair bandwidth allocation for multicast over the Internet Hooman Yousefizadeh, Ali Zilouchian, and Mohammad Ilyas Chapter Emerging optical network management Imrich Chlamtac, W.R Franta, and ... Yasin Akhtar Raja Chapter Design aspects of optical communication networks Kanna Potharlanka, Toshit Antani, Byrav Ramamurthy, Laxman Sahasrabuddhe, and Biswanath Mukherjee Chapter Evolution to an ... of Texas at Dallas Dallas, Texas Hussein T Mouftah School of Information Technology and Engineering University of Ottawa Ottawa, Ontario, Canada Kanna Potharlanka Department of Electrical and Computer...

Ngày tải lên: 24/08/2014, 17:52

... York-Oxford-Wien, ISBN 3-531-50578-7, US–ISBN 08204-6402-3, 2003 [5] L Kalampoukas, A Varma, and K K Ramakrishnan Explicit window adaptation: A method to enhance TCP performance IEEE/ACM Transactions ... LIỆU THAM KHẢO [1] M Allman, V Paxson, and W Stevens TCP Congestion Control RFC 2581, April 1999 [2] K Ramakrishnan, S Floyd, and D Black The addition of explicit congestion notification (ECN) ... bandwidth- delay product networks Proceedings of ACM SIGCOMM’02, August 2002 [9] I Stoica, S Shenker, and H Zhang Core-stateless fair queueing: Achieving approximately fair bandwidth allocations in...

Ngày tải lên: 24/12/2013, 07:16

... by the SC SC will then update the new MAC-IP association in the ARP ACL at the aggregator At the same time, the SC will update the MAC-IP association in the Port ACL at the access switch As a ... Decision-Making In programmable networks, a considerable amount of information regarding the network condition is available Such information can be taken into consideration when making a decision ... IPdefault gateway MACdefault gateway deny IPdefault gateway any permit any any If an ARP packet complies with the user rules, then it is forwarded to the destination A non-compliant ARP packet...

Ngày tải lên: 05/03/2014, 23:20

... at the Conference on Mathematics, Mechanics, and Informatics, Hanoi, 7/10/2006, on the occasion of 50th Anniversary of Department of Mathematics, Mechanics and Informatics, Vietnam National University ... routes, one for the primary lightpath and the other for the backup lightpath One way to that is to let the first portion of the cycle represent the route of the primary lightpath and assign the second ... GA-based RWA (FT-GRWA) algorithm By using a GA approach, the FT-GRWA algorithm can provide much better performance than the PIBWA algorithm with a reasonable computation time, but it still has...

Ngày tải lên: 28/03/2014, 13:20

... Subramaniam, Ling Li, Sashisekhran Thiagarajan, Srinivasan Ramasubramanian, Murari Sridharan, Tao Wu, Jing Fang, Pallab Datta, Mike Fredericks, Nathan Vanderhorn, Wensheng He, Srivatsan Balasubramaniam, ... concept was derived from a vision of accessing a larger fraction of the approximately 50 THz theoretical information bandwidth of a single-mode fiber A natural approach to utilizing the fiber bandwidth ... increasing at the same pace, although the overall number of users and applications are increasingly dramatically Thus, it is important to accommodate all the applications while utilizing the resources...

Ngày tải lên: 01/06/2014, 11:37

... probabilities p and q along with the maximum secondary transmission rates and powers that maximize the average rate of a secondary user while providing statistical guarantees for the performance of PRNs ... rate with pDmin increases as the PRN constraint b gets tighter and the PRN activity factor a increases RAP-MAC performance evaluation In this section, we evaluate the performance of the RAPMAC ... of the RAP-MAC framework to find the optimal values of its parameters For the ease of presentation, Table lists the used notations 4.1 RAP-MAC achievable flow rate First, we compute the average...

Ngày tải lên: 20/06/2014, 21:20

... probabilities p and q along with the maximum secondary transmission rates and powers that maximize the average rate of a secondary user while providing statistical guarantees for the performance of PRNs ... rate with pDmin increases as the PRN constraint b gets tighter and the PRN activity factor a increases RAP-MAC performance evaluation In this section, we evaluate the performance of the RAPMAC ... of the RAP-MAC framework to find the optimal values of its parameters For the ease of presentation, Table lists the used notations 4.1 RAP-MAC achievable flow rate First, we compute the average...

Ngày tải lên: 20/06/2014, 22:20

... the radius of perception of the BS receives the message M The Message Authentication Code of the message M with the symmetric key k The concatenation of the information A with information B A ... its sons, must search for another path to the base station So, they ask the nodes in their list of neighbors to take the place of the failed father (5) The father and the son compute their shared ... a ect its neighbors In fact, after a node is captured, what can an attacker do? Since he has the key shared with the base station, he may send wrong information (lectures) to that base station...

Ngày tải lên: 21/06/2014, 11:20

... which we consider a practical value Recall that system (S2) deploys the conventional random channel allocation algorithm, while systems 3a (S 3a) and (S4) deploy CAP and CAP and repacking (CAP+RP), ... of the analytical and the simulation models Note the excellent agreement between the analytical and simulation results Note also that the diameter of the confidence intervals are really small ... 4.2 Adaptivity of the AC Scheme As discussed above, the adaptive scheme can operate with any arrival process and distribution of the session duration As an example, we study in system 5a the adaptivity...

Ngày tải lên: 21/06/2014, 17:20

... on a global goal (e.g., a task) and control the reconfiguration process of the sensor network The technical actions are independent of the goal They are always the same and provide the functional ... Technical action Strategical action (depends on goal) Figure 2: Activity diagram of the reconfiguration process The reconfiguration process is started with adequate preparation actions In this step, the ... and presented the necessary steps for node reconfiguration The scenario is based on stationary sensor networks and mobile robots that perform management and configuration tasks Based on the available...

Ngày tải lên: 22/06/2014, 22:20

... on a global goal (e.g., a task) and control the reconfiguration process of the sensor network The technical actions are independent of the goal They are always the same and provide the functional ... Technical action Strategical action (depends on goal) Figure 2: Activity diagram of the reconfiguration process The reconfiguration process is started with adequate preparation actions In this step, the ... and presented the necessary steps for node reconfiguration The scenario is based on stationary sensor networks and mobile robots that perform management and configuration tasks Based on the available...

Ngày tải lên: 22/06/2014, 22:20

... Spain fvieira@sunaut.uab.es List of Acronyms and Abbreviations 3G 3GPP 4G AAA ABC ABR AC ACK ACM ADSL AF AICH AIMD AP API APP APSK AQM AR ARP ARQ ASC ASD ATM AVBDC AWGN BCH BCH BDP BE BER BGAN ... Information congestion window Demand Assignment Multiple Access Dynamic Bandwidth Allocation Dynamic Bandwidth Allocation Capabilities Dynamic Bandwidth and Resource Allocation Direct Broadcast Satellite ... [16],[26]: mode adaptation, stream adaptation, FEC encoding, modulation mapping, physical layer framing, base-band filtering and quadrature modulation Mode adaptation There are three (application-dependent)...

Ngày tải lên: 27/06/2014, 01:21

... G Fairhurst, M A V´zquez Castro, G Giambene a 10.6.5 International Telecommunication Union ITU is an international organization of the United Nations where governments and industries coordinate ... services on an exclusive or shared basis The full list of services and frequency bands allocated in different regions forms the Table of Frequency Allocations, which is a part of the radio regulations ... Jacobson, “Random Early Detection Gateways for Congestion Avoidance”, IEEE/ACM Transactions on Networking, Vol 1, No 4, pp 397-413, August 1993 [4] M van der Schaar, S Shankar, “Cross-Layer Wireless...

Ngày tải lên: 05/07/2014, 19:20

... Preface Nowadays, satellites are used for a variety of purposes, including sensors and data collection, weather, maritime navigation and timing, Earth observation, and communications In particular, ... satellite transmissions have an important role in telephone communications, television broadcasting, computer communications as well as navigation The use of satellites for communications was ... or a dynamic adaptation The innovation of this approach relies on the fact that it introduces direct interactions event between non-adjacent protocol layers with the aim to improve system performance...

Ngày tải lên: 05/07/2014, 19:20

... 7.3.2 Dynamic bandwidth de -allocation 7.3.3 Dynamic bandwidth allocation with cross-layer issues 7.3.4 Joint timeslot optimization and fair dynamic bandwidth allocation in a system ... D-52074 AACHEN, Germany oh@comnets.rwth-aachen.de Antonio Pant` o CNIT - University of Catania Research Unit, Viale A Doria, 6, 95125, Catania, Italy antonio.panto@cnit.it Cristina P´rraga Niebla a ... 201 DYNAMIC BANDWIDTH ALLOCATION 7.1 Dynamic bandwidth allocation: problem definition 7.1.1 Survey of allocation approaches 7.2 DBA schemes for DVB-RCS...

Ngày tải lên: 05/07/2014, 19:20

... Information congestion window Demand Assignment Multiple Access Dynamic Bandwidth Allocation Dynamic Bandwidth Allocation Capabilities Dynamic Bandwidth and Resource Allocation Direct Broadcast Satellite ... Combination Transport Format Combination Indication Transport Format Combination Set Transport Format and Resource Combination Telecommunications, Information Science and Technology Transmission ... concentrate the energy on a small area Thus, it is also possible to shape the area served by a satellite on the Earth Moreover, multi-spot-beam coverage permits remarkable advantages, like an efficient...

Ngày tải lên: 05/07/2014, 19:20

... application The novel HSDPA air interface is based on the application of Adaptive Coding and Modulation (ACM) and multi-code operation depending on the channel conditions (forward link) that are ... Dmax ) for a given satellite constellation also depends on the minimum elevation angle (mask angle), i.e., the elevation angle at the edge of coverage The RT Dmax characteristics for LEO satellite ... 239.6 ms for an Earth station placed on the Earth equator in the point below the satellite; whereas, RTD is about 280 ms for an Earth station placed at the edge of the satellite coverage area (i.e.,...

Ngày tải lên: 05/07/2014, 19:20

... modulation mapping, physical layer framing, base-band filtering and quadrature modulation Mode adaptation There are three (application-dependent) operation modes for DVB-S2: Constant Coding Modulation ... applications, since they have a quasi-constant envelope so that they can operate inside the non-linear region of satellite transponders (i.e., close to the saturation) Gray mapping can be used for ... channel is available ACM permits to change dynamically the coding rate and the modulation scheme on the basis of the measured channel conditions at the site that must receive the frame The sender...

Ngày tải lên: 05/07/2014, 19:20

... operates at a layer above the 3rd one: the satellite Earth stations are gateways In this case, these stations can perform a more accurate routing based not only on the IP datagram header, but also ... SI-U-SAP; SI-M-SAP (Management-SAP ): transfer of management information The protocol stack organization defined by TC-SES/BSM (see Figure 1.11) has been taken as the basis for the organization of the ... (typically of the bent-pipe type) according to a star topology: an Earth station acts as a hub (= gateway to the terrestrial network and master control station), receiving and transmitting all the...

Ngày tải lên: 05/07/2014, 19:20

... is a dynamically controlled boundary policy, which adapts the allocation decision to variable network loading conditions CAC and bandwidth allocation decisions are taken at the beginning of each ... Frequency/time/space resource allocation schemes (such as channel allocation, scheduling, transmission and coding rate control, beam and bandwidth allocation) ; Power allocation and control schemes, which control ... a Markov process to capture the impact of the time correlation in weather conditions A rate adaptation algorithm is developed to optimize the data rate, based on real-time feedback on the measured...

Ngày tải lên: 05/07/2014, 19:20