... Introduction and optical networks architectures Protocols for optical network architectures Resource management in optical networks Routing and wavelength assignment in WDM networks Connection management ... Zilouchian, and Mohammad Ilyas Chapter Emerging optical network management Imrich Chlamtac, W.R Franta, and Jason P Jue Chapter Optical network resource management and allocation Ding Zhemin and Mounir ... of optical communication networks 23 IP Router Network Management System (NMS) ADM Proprietary NNI Standardized NNI UNI Figure 1.15 Network management system for IP-over-WDM networks 1.5.8 Optical...
Ngày tải lên: 24/08/2014, 17:52
... http://www.iponair.de/ [18] D-M Chiu and R Jain Analysis of the Increase and Decrease Algorithms for Congestion Avoidance in Computer Network Computer Networks and ISDN Systems, 17:1-14, 1989 [19] ... control in IP-based networks using feedback from routers Technical Report TKN-04-008, July 2004 [8] D Katabi, M Handley, and C Rohrs Congestion control for high bandwidth-delay product networks Proceedings ... R Kapoor, C Casetti, and M Gerla Core-stateless fair bandwidth allocation for TCP flows In Proceedings of IEEE ICC 2001, 2001 [11] A K Jain and S Floyd Quick-start for TCP and IP Http://www.ietf.org/internet-drafts/draft-amit...
Ngày tải lên: 24/12/2013, 07:16
Advanced Security Management in Metro Ethernet Networks* pptx
... of entries) Resource and network health state is a function of the parameters that describes the health of the resources as well as network Example of network health states includes network packet ... the network size and the type of services Alert Rules Number of illegal ARP requests over T > 100 Between 50 and 100 Between 10 and 50 Below 10 Alert State Critical High Medium Low Network and Resource ... network management in conjunction with hardware features for security management and provide a secure and spoofing-free ETTx network The key idea behind our proposal is to utilize network management...
Ngày tải lên: 05/03/2014, 23:20
Báo cáo " GA-based dynamic survivable routing in WDM optical networks with shared backup paths " pdf
... primary lightpath and for the backup lightpath) and (4 for the primary lightpath and for the backup lightpath) for case (a) and case (b) respectively, i.e., case (a) needs more network resources than ... ns-2 network simulator [8] and two typical network topologies, as illustrated in Fig 17 18 15 12 11 14 16 10 (a) 9 13 13 10 12 11 (b) Fig Network topologies: (a) NSF network with 14 nodes and ... chosen adaptively depending on the network state, and our approach follows this approach 1.2 Survivable Routing in WDM Networks The failure in optical communication networks such as accidental fiber...
Ngày tải lên: 28/03/2014, 13:20
survivability and traffic grooming in wdm optical networks
... broadcast -and- select -network designs, and different optical networking trends and technology They also introduce several interesting aspects and issues in the design xvi Preface of such networks, ... include the routing and wavelength assignment problems, optical packet switching and optical burst switching, traffic grooming and survivability in mesh restorable optical networks, and survivable ... signal, and transmission speed To transport the varied application signals Optical networking technology Fig 1.3 A broadcast -and- select network over the optical transport network, a network service...
Ngày tải lên: 01/06/2014, 11:37
Báo cáo toán học: " Probabilistic framework for opportunistic spectrum management in cognitive ad hoc networks" potx
... spectrum management scheme for cognitive radio networks that (i) counters the unavoidable inaccuracies in spectrum measurements and their consequent negative impact on the CRN and PRNs performance and ... E[Pint ] (7) Pint Using the probabilities of clear and unclear spectrum given by (5) and (6) and the multiple and single SU probabilities given by (10) and (11), the average rate of a SU is written ... increases with the traffic demands at b equals to and %10 For instance, maximum gain of 119.5 and 138% is Page 11 of 15 achieved at Mbps and 7.5 Mbps for b equals to and 10%, respectively However,...
Ngày tải lên: 20/06/2014, 21:20
Báo cáo hóa học: " Probabilistic framework for opportunistic spectrum management in cognitive ad hoc networks" pdf
... spectrum management scheme for cognitive radio networks that (i) counters the unavoidable inaccuracies in spectrum measurements and their consequent negative impact on the CRN and PRNs performance and ... E[Pint ] (7) Pint Using the probabilities of clear and unclear spectrum given by (5) and (6) and the multiple and single SU probabilities given by (10) and (11), the average rate of a SU is written ... increases with the traffic demands at b equals to and %10 For instance, maximum gain of 119.5 and 138% is Page 11 of 15 achieved at Mbps and 7.5 Mbps for b equals to and 10%, respectively However,...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... a pair of keys (public key and private key) to encrypt and decrypt messages Each node in the network has a public and a private key, the first is known throughout the network, the second is secret, ... after the deployment of the network 4 EURASIP Journal on Wireless Communications and Networking However, they not deal with key refresh which makes key management dynamic and adds a further difficulty ... and J Levy, “Lightweight key management in wireless sensor networks by leveraging initial trust,” SDL Technical Report SRI-SDL-04-02, 2004 10 EURASIP Journal on Wireless Communications and Networking...
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: "Research Article Admission Control and Interference Management in Dynamic Spectrum Access Networks" pot
... admission policy and deploying the random channel allocation scheme with no repacking 4 EURASIP Journal on Wireless Communications and Networking x + e1 − ke2 The coefficients a1 (x) and a2 (x) denote ... and λ1 = 4.4612, which we consider a practical value Recall that system (S2) deploys the conventional random channel allocation algorithm, while systems 3a (S3a) and (S4) deploy CAP and CAP and ... band, the arrival of a PU will force the termination of one SU when there are N − i + SUs in the second band, of two SUs when there are N − i + SUs in the second band, and so on The second and...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article Profile-Matching Techniques for On-Demand Software Management in Sensor Networks" potx
... hoc networks,” Wireless Communications and Mobile Computing, vol 4, no 3, pp 315–329, 2004 Z Yao and F Dressler, “Dynamic address allocation for management and control in wireless sensor networks,” ... Sankarasubramaniam, and E Cayirci, “Wireless sensor networks: a survey,” Computer Networks, vol 38, no 4, pp 393–422, 2002 [4] I F Akyildiz and I H Kasimoglu, “Wireless sensor and actor networks: research ... “Sensor network software update management: a survey,” International Journal of Network Management, vol 15, no 4, pp 283–294, 2005 [10] V Handziski, J Polastre, J.-H Hauer, C Sharp, A Wolisz, and...
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: " Research Article Profile-Matching Techniques for On-Demand Software Management in Sensor Networks" doc
... hoc networks,” Wireless Communications and Mobile Computing, vol 4, no 3, pp 315–329, 2004 Z Yao and F Dressler, “Dynamic address allocation for management and control in wireless sensor networks,” ... Sankarasubramaniam, and E Cayirci, “Wireless sensor networks: a survey,” Computer Networks, vol 38, no 4, pp 393–422, 2002 [4] I F Akyildiz and I H Kasimoglu, “Wireless sensor and actor networks: research ... “Sensor network software update management: a survey,” International Journal of Network Management, vol 15, no 4, pp 283–294, 2005 [10] V Handziski, J Polastre, J.-H Hauer, C Sharp, A Wolisz, and...
Ngày tải lên: 22/06/2014, 22:20
Resource Management in Satellite Networks pot
... Information congestion window Demand Assignment Multiple Access Dynamic Bandwidth Allocation Dynamic Bandwidth Allocation Capabilities Dynamic Bandwidth and Resource Allocation Direct Broadcast Satellite ... Resource Management in Satellite Networks Optimization and Cross-Layer Design This page intentionally left blank Resource Management in Satellite Networks Optimization and Cross-Layer ... GHz (Ka band) Downlink: 3.7-4.2 (C band), 11.7-12.2 (Ku band), 18.3-18.8 and 19.7-20.2 GHz (Ka band) IPStar GEO Broadband access, Intranet and VPN, Broadcast/Multicast, Video on Demand, Voice,...
Ngày tải lên: 27/06/2014, 01:21
Resource Management in Satellite Networks part 35 potx
... individual services and their requirements These blocks are called ‘frequency bands’ and are allocated to services on an exclusive or shared basis The full list of services and frequency bands allocated ... 29, 99, 293 Power allocation and control, 50 Closed loop, 50 Feedback loop, 50 Open loop, 50 Proactive algorithms, 210 Q Handover algorithms, 51 Handover queuing, 53 Predictive resource reservation, ... Nations where governments and industries coordinate global telecom networks and services ITU is divided in three sectors: ITU-T that aims at the definition of high-quality standards covering all fields...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 1 doc
... Resource Management in Satellite Networks Optimization and Cross-Layer Design This page intentionally left blank Resource Management in Satellite Networks Optimization and Cross-Layer ... care about the platform technology adopted and employed resource management scheme, but need QoS provision Unfortunately, resource utilization efficiency and QoS support are conflicting needs: typically, ... propagation issues, resource management techniques, link design, QoS, transport protocols, etc.) and especially because SatNEx is unique in that its expertise covers both broadband (fixed) and mobile satellite...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 2 pot
... for CDMA networks 6.4 Handover and CAC algorithms for non-GEO satellite systems 6.4.1 Intra-satellite handover and CAC schemes 6.4.2 Inter-satellite handover and CAC ... Power allocation and control schemes 2.4 CAC and handover algorithms 2.4.1 Handover algorithms 2.5 RRM modeling and ... of Acronyms and Abbreviations xxiii Part I Resource Management Framework for Satellite Communications INTRODUCTION TO SATELLITE COMMUNICATIONS AND RESOURCE MANAGEMENT ...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 3 pptx
... Information congestion window Demand Assignment Multiple Access Dynamic Bandwidth Allocation Dynamic Bandwidth Allocation Capabilities Dynamic Bandwidth and Resource Allocation Direct Broadcast Satellite ... in the L band with GEO satellites for land-mobile services These bands have been assigned later also to non-GEO satellite networks Note that L, S and C bands are already congested; X band is typically ... GHz Ku band from 12 to 18 GHz K band from 18 to 26 GHz Ka band from 26 to 40 GHz V band from 40 to 75 GHz These bands, composing the microwave spectrum, are actively used in commercial and military...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 4 doc
... GHz (Ka band) Downlink: 3.7-4.2 (C band), 11.7-12.2 (Ku band), 18.3-18.8 and 19.7-20.2 GHz (Ka band) IPStar GEO Broadband access, Intranet and VPN, Broadcast/Multicast, Video on Demand, Voice, ... collective antenna and to the terminal stations of cable-TV The frequency bands for feeder and user links may occupy Ku/Ku, Ku/Ka and K/Ka bands Below the transport layer and the IP layer the ... High-speed broadband Internet access, satellite television, distance learning and telemedicine Uplink: TDMA Downlink: MF-TDMA Uplink: 5.9-6.4 GHz (C band), 14-14.5 GHz (Ku band), 28.35-28.6 and 29.25-30...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 5 pdf
... have fixed characteristics, in terms of bandwidth and duration Whereas, in the latter case, besides bandwidth and time-slot duration, both transmission rate and code rate can be changed in consecutive ... coding and modulation format can change for each new PLFRAME Base-band filtering and quadrature modulation This function is used for a tighter bandwidth shaping (squared-root raised cosine) and to ... ISN, it is important to use the satellite resources as efficiently as possible Therefore, Bandwidth on Demand (BoD) schemes (also known with the name of Demand Assignment Multiple Access, DAMA, techniques)...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 6 pps
... holding time and bit-rates 1.5 Satellite networks A satellite network can play several roles [32] In particular, it can be used as Access Network for final users or it can be part of the Core Network ... telecommunication networks interworking, to define a new network architecture and to include alternative families of lower layer air interfaces [33] A Broadband Satellite Multimedia (BSM) network is ... access network that is used to connect to the service provider (e.g., ADSL, UMTS, satellite); Distribution Network : this is an intermediate network that is interposed between the access network and...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 7 docx
... 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, ... Erina Ferro The work in reference [20] focuses on resource allocation and CAC issues in broadband satellite networks; the authors propose a resource allocation algorithm that integrates three classes ... shift Limited spectrum Path loss and thermal noise Given these issues, the goal of Radio Resource Management (RRM) is to optimize bandwidth (capacity) utilization and Quality of Service (QoS), in...
Ngày tải lên: 05/07/2014, 19:20