ip traffic grooming over wdm optical networks

... protection/restoration), supported traffic engineering functions at both the IP and WDM layers, and made it possible to achieve end-to-end IP over WDM protection [61]. A comprehensive survey of IP over WDM survivability ... WDM optical mesh networks and briefly surveyed the related work on survivability in WDM optical mesh networks. The literature survey disclosed that most of existing work on survivability in WDM ... All-optical networks employing wavelength division multiplexing (WDM) and wavelength routing are potential candidates for future wide-area backbone networks [4]. 1.1 Wavelength-Routed WDM Optical

Ngày tải lên: 04/10/2015, 17:06

... topologies, traffic grooming in optical WDM mesh networks becomes an extremely important and practical research topic for both industry and academia Chapter 1 gives an overview of traffic grooming in optical ... "groom'' multiple low-speed traffic connections onto high-capacity circuit pipes Different multiplexing techniques can be used for traffic grooming in differ-ent domains of optical WDM networks • ... multicast grooming [Sa-hasrabuddhe and Mukherjee, 1999] 16 2.1 Illustrative example of traffic grooming 18 2.2 Node architecture 1: IP over WDM 21 2.3 Node architecture 2: SONET over WDM 22 2.4

Ngày tải lên: 11/05/2018, 16:50

... 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 ... andrecover from failures [37] Survivability is an important issue in communicationnetworks, especially in optical backbone networks, since a huge amount of traffic is Trang 342.2 IP OVER WDM NETWORKScarried ... study scheduled traffic models in optical networks separately from that innon-optical networks [16] Scheduled traffic models have extensive applications incurrent optical backbone networks, which

Ngày tải lên: 09/09/2015, 08:12

... inSONET over WDM networks.Single-hop versus multi-hop traffic grooming Traffic grooming can be classified as single-hop traffic grooming and multi-hop traffic grooming.Single-hop traffic grooming ... SONET layer nowneeds to be provisioned by the IP/MPLS and WDM layers The rest of the thesis deals withIP/MPLS directly over WDM networks IP-over-WDM networks may adopt various models of network ... issue in IP-over-WDM networks is handling a failure of a network component (orsurvivability) as it may disrupt a large amount of multiplexed traffic and cause revenue loss IP-over-WDM networks

Ngày tải lên: 12/09/2015, 08:20

... very 3 IP ATM IP/MPLS IP/MPLS SONET SONET Thin SONET IP/GMPLS DWDM DWDM w/optical switching w/optical switching DWDM DWDM Figure 1.3: Merging network layers. large volumes of traffic. ... of Internet traffic and the advances in WDM technology have led to IP-directly-over-WDM optical Internet networks. In order to efficiently utilize the bandwidth in the optical layer, optical burst ... Network level abstraction: (a) overlay (b)peer. 1.2 IP-over-WDM Network Architecture The IP-over-WDM architecture may use an overlay model or a peer model. In the overlay model (Fig. 1.4(a)),

Ngày tải lên: 04/10/2015, 17:06

... in wdm mesh networks, in: Optical Fiber Communication Conference and Exhibit, OFC, 2002, pp 549 – 551. [3] R Ul-Mustafa, A Kamal, Design and provisioning of wdm networks with multicast traffic grooming, ... Zukerman, Design of wdm networks with multicast tra ffic grooming, Journal of Lightwave Technology, 29 (16) (2011) 2337 –2349. [5] A E Kamal, R Ul-mustafa, Multicast traffic grooming in wdm networks, in: ... integrated auxiliary grooming graph in optical networks, Photonic Network Communications 24 (2) (2012) 103–117. [14] Green multicast grooming based on optical bypass technology, Optical Fiber Technology

Ngày tải lên: 02/11/2022, 14:29

... 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 ... 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

Ngày tải lên: 29/06/2014, 07:20

... 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 ... and IP. .. Strand, “Optical Networking and IP over Optical”, Feb 4, 2002 Kumar N Sivarajan, IP over Intelligent Optical Networks”, Jan 5, 2001 Gaurav Agarwal, “A Brief Introduction to Optical ... SONET WDM IP WDM WDM-aware Electronic layer Current Typical Protocol Stack Simplified Protocol Stack IP Directly Over WDM?  Establish high-speed optical layer connections (lightpaths)  IP

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 ... mạng đường 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

Ngày tải lên: 14/04/2015, 01:15

... transportnetworks by precisely defining the inter-layer communication interface Figure 2.1 (a) shows a commonly used architecture which is IP over ATM overSONET over DWDM Nowadays, IP traffic ... Fig 2.1 (b) and (c).IP/MPLS over DWDM shown in Fig.2.1 (c) is the layer model for future networksevolving through the intermediate step shown in Fig 2.1 (b) In IP/MPLS overDWDM model, functions ... reliability and flow control Running IP over ATM com-plements IP with the features it lacks Further, SONET is used as a transport Trang 40layer to carry traffic over fiber, because of its low delay,

Ngày tải lên: 11/09/2015, 10:18

... in WDM Mesh Networks 26 2.3.3 Provisioning Restorable WDM Mesh Networks 27 2.3.4 Failure Detection and Recovery 29 Trang 8Contents vi2.4 Differentiated QoS for Survivable WDM Optical ... wavelength routed WDM optical networks a de-facto standard for high-speed transport networks A WDM optical mesh network consists of wavelength routing nodesinterconnected by point-to-point optical fiber ... broadcast-and-select WDM networks areovercome in wavelength-routed WDM networks making them promising candidates for use inWANs The rest of the thesis deals with only wavelength routed WDM networks 1.4.1

Ngày tải lên: 14/09/2015, 18:35

... for IP-over-WDMtraffic over WDM as shown in Figure 2.1 The first one is to transport IP-over-ATM-over-SONET/SDH-over-WDM The second and third approaches are IP-over-SONET/SDH over-WDM and IP-over-WDM, ... architecture comprising IP-over-ATM-over-SONET-over-WDM Recently, however, IP-over-WDM networks have received much attention as a promis-ing approach that reduces complexities and overheads associated ... are mainly three optical switching techniques that have been proposed in the literature to transport IP traffic over WDM optical networks, namely optical circuit switching (OCS),optical packet

Ngày tải lên: 16/09/2015, 15:55

... 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 WDM ... tại UChương 2: IP over wdm Trang 16Chương 2: IP Over WDM 2.1 Các kiến trúc mạng IP over WDM: Kỹ thuật mạng WDM có thể được chia ra làm 2 loại: WDM có thể cấu hình lại và WDM chuyển mạch Loại ... các mạng IP và mạng quang có thể liên thông được với nhau Hiện có 2 mô hình liên kết IP/WDM: • IP over reconfigurable WDM • IP over switched WDM Trong mô hình IP over reconfigurable WDM, ta đã

Ngày tải lên: 13/02/2021, 21:28

... mô hình liên kết mạng IP/WDM30T 28 30T2.2.1 IP over reconfigurable WDM30 T 29 30T2.2.2 IP over WDM chuyển mạch (IP over switched WDM)30T 34 30T2.3 Các mô hình dịch vụ IP/WDM30T 38 30T2.3.1 ... lưu lượng IP over WDM30T 20 30T2.1 Kiến trúc mạng IP over WDM30 T 20 30T2.1.1 Optical burst switching30T 21 30T2.1.2 Chuyển mạch gói quang30 T 22 30T2.1.3 Ba kiến trúc mạng IP over WDM30 T ... lưu lượng IP over WDM Vũ Khoa ĐTVT 2004-2006 Chương 2 Truy ền tải lưu lượng IP over WDM Kỹ thuật mạng WDM có thể được chia làm 2 loại: WDM có thể cấu hình lại (reconfigurable WDM) và WDM chuyển

Ngày tải lên: 14/02/2021, 11:06

... hợp giữa IP/WDM Đồ án gồm bốn chương: • Chương 1 Tổng quan về IP/WDM Chương này sẽ trình bày khái niệm mạng IP/WDM, các xu hướng truyền tải lưu lượng trên mạng IP/ WDM, kiến trúc mạng IP/ WDM, lí ... Truyền tải gói tin IP trên các kênh bước sóng 15 Hình 1.2 Mạng IP/ATM/SONET/WDM 16 Hình 1.3 Mạng IP/SONET/WDM 17 Hình 1.4 Mạng IP/MPLS/WDM 17 Hình 1.5 Mô tả kiến trúc mạng IP/WDM điểm –điểm 19 ... QUAN VỀ IP/WDM 14 1.4 Lí do chọn IP/WDM 22 CHƯƠNG 2 KỸ THUẬT LƯU LƯỢNG IP/WDM 24 2.1 Mô hình hoá lưu lượng viễn thông 24 2.2 Bảo vệ và tái cấu hình 33 2.3 Khái niệm kỹ thuật lưu lượng IP/WDM 33

Ngày tải lên: 17/12/2013, 22:16

... the overall level of dissatisfaction observed by user (u) is not a linear relationship with Farnham EURASIP Journal on Wireless Communications and Networking 2011, 2011:148 http://jwcn.eurasipjournals.com/content/2011/1/148 ... to CoD media delivery over composite wireless networks Channel model 2.1 Dynamic channel model Understanding the dynamic nature of channel load (such as from the Internet traffic), using a representation ... Farnham EURASIP Journal on Wireless Communications and Networking 2011, 2011:148 http://jwcn.eurasipjournals.com/content/2011/1/148 RESEARCH Open Access Adaptive cognitive media delivery over composite

Ngày tải lên: 20/06/2014, 22:20

... technologies, wireless networks gradually become the most adopted communication networks in the new generation Internet Computing devices and mobile devices may be equipped with multiple wired and/or ... scheme (JSCTP) gives prominence to improve performance effectively over wired-wireless networks 1 Introduction Recently, wireless networks [1] play important roles in the next generation communication ... offered over ubiquitous wireless networks by virtue of its characteristic of seamless mobility [2] Since the demand of mobile users grows rapidly, the integration of wired and wireless networks

Ngày tải lên: 21/06/2014, 05:20

... Cross-Layer Approach in Sensing and Resource Allocation for Multimedia Transmission over Cognitive UWB Networks Norazizah Mohd Aripin,1, 2Rozeha A Rashid,1N Fisal,1A C C Lo,3 S H S Ariffin,1and S K S Yusof1 ... Access Networks (DySPAN ’05), pp 619– 625, November 2005 Trang 10[8] N M Aripin, R A Rashid, N Fisal, and S K S Yusof, “Eval-uation of required sensing time for multimedia transmission over cognitive ... sensing period Then, the impact of sensing scheduling to the MPEG-4 video transmission over wireless cognitive UWB networks is observed In addition, we also proposed the packet reception rate- (PRR-)

Ngày tải lên: 21/06/2014, 11:20