energy optimization in ip over wdm networks

... Trang 1IN IP OVER WDM NETWORKSWU GAOFENG NATIONAL UNIVERSITY OF SINGAPORE 2014 Trang 2ENERGY EFFICIENT CONNECTION PROVISIONINGIN IP OVER WDM NETWORKS WU GAOFENG (B Eng South China Normal ... thesis mainly considers energy efficient connectionprovisioning in IP over WDM networks, focusing on four issues We first study theproblem of using traffic splitting mechanism to improve energy ... considers IP over WDM networks, which is an attractivearchitecture for optical backbone networks IP over WDM networks are more ad-vantageous compared to IP over Asynchronous Transfer Mode (ATM) over

Ngày tải lên: 09/09/2015, 08:12

... integrated IP/WDM solution that simultaneously addresses the routing issue in both the IP and WDM networks. 1.4.1 Separate Routing for IP and WDM Networks In this approach, routing in IP-over-WDM ... wavelengths as in integrated IP/WDM networks. 2.5 Load Balancing in IP/MPLS networks The load balancing issue has been studied in IP/MPLS networks. In [40], a multipath adaptive traffic engineering mechanism, ... wavelength. 2.2 Integrated Routing of LSPs in IP/WDM Networks Recently, the problem of dynamic integrated routing of bandwidth-guaranteed LSPs in integrated IP/WDM networks taking into account the link

Ngày tải lên: 04/10/2015, 17:06

... reproduction in any medium, provided the original work is properly cited. 1. INTRODUCTION There is an increasing interest in wireless ad hoc networks in many application domains where instant infrastructure ... dark arrows indicate links that are included into thetreeinsearch phases and the lig h t arrows indicate the links that are included into the tree in grow phases.) Finally, it remains to show ... vu in the min-max tree formation is in an increasing order and the final one in the sequence is equal to δ min . (6) After the multicast members are all in the tree, all re- dundant links, indicated

Ngày tải lên: 22/06/2014, 22:20

... for WDM Transmission • IP Over ATM Directly on WDM • IP Over SDH; Packet Over SONET • IP Over SDL Directly Over WDM • IP Over GbE Over WDM  Tích h p IP over WDM d a trên quan đi m Control ợp IP ... h p IP over WDMầu về viêc tích hợp IP over WDM ề: ợp IP over WDM  Tích h p IP over WDM d a trên quan đi m Data Planeợp IP over WDM ựa trên quan điểm Data Plane ểm Data Plane • IP Over ATM Over ... over WDM ựa trên quan điểm Data Plane ểm Data Plane • IP Over ATM Over SDH for WDM Transmission • IP Over ATM Directly on WDM • IP Over SDH; Packet Over SONET • IP Over SDL Directly Over WDM • IP

Ngày tải lên: 29/06/2014, 07:20

... SONET over WDM  Conventional WDM deployment is using SONET as standard interface to higher layers  IP over ATM  IP packets need to be mapped into ATM cells before transporting over WDM using ... IP over WDM network Fang Yu 294 Class Presentation Outline  History of WDM networks  Current Internet: Multi-layer protocol stack between IP and WDM layers  Future: IP directly over WDM ... Current Multi- layer Protocol Stack  Inefficient  In IP over ATM over SONET over WDM network, 22% bandwidth used for protocol overhead  Layers often do not work in concert  Every layer now runs

Ngày tải lên: 07/07/2014, 00:20

... chuyển đổi bước sóng 23 Phần 2 Mạng IP trên WDM 26 2.1 Giới thiệu 26 2.2 Các ưu điểm của IP over WDM 27 2.3 Ba giải pháp IP over WDM 27 2.4 Kiến trúc mạng IP/WDM 30 2.5 Chuyển mạch gói quang (OPS) ... đề: Mạng quang WDM và xu hướng IP over WDM Lời mở đầu 2 Phần 1 Tổng quan về mạng quang WDM 3 1.1 Giới thiệu 3 1.2 Nguyên lí hoạt động của hệ thống WDM 5 1.3 Ưu điểm của hệ thống WDM 8 1.4 Vấn ... trục và mạng đô thị Tiểu luận này tìm hiểu về vấn đề xu hướng tích hợp IP trong mạng quang WDM (IP over WDM) Nhóm thực hiện xin chân thành cảm ơn TS Nguyễn Hồng Sơn đã hướng dẫn và góp ý trong quá

Ngày tải lên: 14/04/2015, 01:15

... point trong 2 mô hình là giống nhau Những ví dụ của WDM có khả năng tái cấu hình bao gồm IP over point - to - point WDM và IP over OXC IP over point-to- point WDM có thể được xem như là một WDM ... mạng IP over WDM  IP over point-to-point WDM: Trong kiến trúc này, các liên kết quang point-to-point WDM được sử Trang 21dụng để cung cấp các dịch vụ truyền dẫn cho lưu lượng IP Các thiết bị WDM ... gói tin IP trên các bước sóng Trang 13Hình 1.5 chỉ ra 3 khả năng có thể cho IP over WDM Phương pháp thứ nhất là truyền dẫn IP over ATM, sau đó là IP over SONET/SDH và cuối cùng là IP over WDM

Ngày tải lên: 13/02/2021, 21:28

... mạng IP over WDM 24 30T 30T 30T 30 T 30T 30 T 2.2 Các mô hình liên kết mạng IP/WDM 28 30T 30T 2.2.1 IP over reconfigurable WDM 29 2.2.2 IP over WDM chuyển mạch (IP over ... IETF IGP INNI IP IPv4 IP/WDM IS-IS ITU ITU-T Gigabit Ethernet Generalised Multiprotocol Label Switching Highlevel Data Link Control Interior Border Gateway Protocol In Band Terminator Internet ... Protocol Institute of Electricaland Electronics Engineers Internet Engineering Task Force Interior Gateway Protocol Internal Network-to-Network Interface Internet Protocol Internet Protocol version IP

Ngày tải lên: 14/02/2021, 11:06

... and the resulting DCA then consists in solving a finite sequence of linear programs DCA is original because it gives an integer solution while it works in a continuous domain Preliminary ... train at sidings or stations Szpigel (1973) can be considered as a pioneer in studying train schedul-ing problems The author modeled a problem of minimizschedul-ing the travel time of trains ... Description Among train scheduling problems in single-track railway line, the travel time optimization problem has specially attracted many researchers Higgins et al [14], Zhou and Zhong [32] introduced

Ngày tải lên: 17/03/2021, 17:28

... QUAN VỀ IP over WDM 1.1 Khái niệm mạng IP over WDM Mạng IP over WDM được thiết kế để truyền dẫn lưu lượng IP trong một mạng quang cho phép WDM để tận dụng sự phổ biến của kết nối IP và dung ... khiển đồng bộ IP over WDM cũng đánh địa chỉ tất cả các mức trung gian của các mạng quang intra- và inter-WDM và các mạng IP Các động cơ thúc đẩy IP over WDM bao gồm: Các mạng quang WDM có thể ... Nguyễn Hoàng Long MỤC LỤC LỜI NÓI ĐẦU 1 CHƯƠNG I TỔNG QUAN VỀ IP OVER WDM 3 1.1 Khái niệm mạng IP over WDM 3 1.2 Lí do chọn IP over WDM 7 1.3 Mạng ASON/G-MPLS 10 1.3.1 ASON / ASTN 10 1.3.2

Ngày tải lên: 01/04/2021, 07:11

... can be derived using integer linear programming (ILP) Using the variables introduced in Section 4.1, we define the objective function by demanding a set of active base stations in which as little ... potential for energy saving in macrocell and femtocell networks using a heuristic introducing sleep modes in base stations EURASIP Journal on Wireless Communications and Networking 2012 2012:170 ... for energy aware mobile radio networks Communications Magazine, IEEE 48(11), 66–72 (2010) 15 L Saker, SE Elayoubi, T Chahed, Minimizing Energy Consumption via Sleep Mode in Green Base Station, in

Ngày tải lên: 02/11/2022, 09:25

... IPAVDM = 28 2.2.1, IP over reconfigurable WDM ke 2.2.2, IP over WDM chuyên xuạch (IP over switched WDM) HH wee BF 2.3.1 Mô hình dịch vụ miễn Trang 43.3 Dinh tuyén IPAVDM + 3.3.1 Xây dựng ... lượng T IP over WDM 2.1 Kiến trúc mạng IP over WIM 2.1.1 Optical burst switching 3.12 Chuyến mạch gói quang 2.1.3 Ba kiến trúc mang IP over WDM se " 2 Các mô hình liên kết mang IPAVDM ... In Band Terminator Internet Control Message Protocol Tnslilute of Fleciricaland Electronics Engineers Internet Engineering Task Force Interior Gateway Protocol Intemal Network-to-Network Interface

Ngày tải lên: 21/06/2025, 09:50

... 7 1.4.1 Separate Routing in IP-over-WDM Networks 7 1.4.2 Integrated Routing in IP-over-WDM Networks 8 1.5 Survivability in IP-over-WDM Networks 9 1.5.1 WDM Layer Protection ... ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2004 Trang 31.1 Background 1 1.2 An Overview of GMPLS Framework 3 1.3 IP-over-WDM Network Architecture 6 1.4 Routing in IP-over-WDM Networks ... network.IP-over-WDM (also referred to as IP/MPLS-over-WDM, IP over WDM, or IP/WDM) networks can use either an overlay model or an integrated model (peer model) In the overlay model, there are two separate

Ngày tải lên: 16/09/2015, 15:23

... introducing a delay in forwarding the packets by nodes, which is inversely proportional to the remaining energy level of the node, while in HER the route selection is based on the energy drain ... significant energy savings can be ob-tained at the routing level by designing minimum energy routing protocols that take into consideration the energy costs of a route when choosing the appropriate ... packet has no energy information in it But in this algorithm an energy field is included in the RREQ packet where the intermediate nodes insert their current energy level while forwarding the RREQ

Ngày tải lên: 23/06/2014, 00:20

... first point. Hence, no overload is taken into account. Energy-Efficient Real-time Packet Scheduling 707 The first point is the sum of the per-node minimal resource requirements, resulting in the ... wireless communication networks and on multimedia over IP Her main research interests related to mobile and wireless... constraints, exploiting more scaling or shutdown depending on the scenario, ... strategy, combining trans- mission rate scaling and sleep duration optimization is stud- ied with and without coding. An offline optimization algo- rithm is proposed but the scope is limited to a single-user

Ngày tải lên: 23/06/2014, 00:20

... potential high energy efficiency In (Shin et al 2008), a 10 bits pipelined ADC based in zero-crossing detector fabricated using 65nm CMOS technology is reported Another pipelined zero-crossing detector ... op-amp in the first integrator of high resolution single-bit CT ΣΔ modulators has stringent slew rate requirements, increasing power dissipation In CT single bit ΣΔ modulators the feedback DAC injects ... techniques Instead of removing op-amps, as it has been explained in section 2.3.2, a less aggressive technique consists in keeping the op-amp but adding helper circuits that increase the energy efficiency

Ngày tải lên: 27/06/2014, 00:20

... development of recycling networks around CHP in Finland In a cold country, there exists demand for dis-trict heating There are also lots of energy intensive industries in Finland, e.g forest in-dustry, ... 1CLEANER ENERGYPRODUCTION IN INDUSTRIAL RECYCLING NETWORKS Jouni Korhonen1,* and Ilkka Savolainen2 1University of Joensuu, Finland 2VTT Energy, Finland, and Helsinki University of Technology, Finland ... from landfills through pipelines leading into the boilers or small-scale CHP units Municipal and industrial wastewaters have been treated in Finland with the aim of separating the solid particles

Ngày tải lên: 26/11/2014, 15:01