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Premium member Presentation Transcript Slide 1: WELCOME Seminar on Resilient Packet Ring Technology Manu shankar K P Roll no: 30 S7 ece : Seminar on Resilient Packet Ring Technology Manu shankar K P Roll no: 30 S7 ece 26-JUL-2011 S7 ECE DEPT 2 RPR TECHCONTENTS: CONTENTS INTRODUCTION. RPR TECHNOLOGY. ETHERNET AND SONET. LIMITATIONS OF ETHERNET AND SONET. R P R – EMERGING METRO NETWORK . RPR CHARACTERISTICS . PACKET RINGS IN APPLICATION . PACKET RING STANDARD DEVELOPMENT . CONCLUSION . 26-JUL-2011 S7 ECE DEPT 3 RPR TECHINTRODUCTION: INTRODUCTION P acket-based technologies from LAN to MAN MAC protocol for metro fiber ring networks. Emerging network Transport of data traffic over optical fiber ring networks. Ethernet and sonet 26-JUL-2011 S7 ECE DEPT 4 RPR TECHSlide 5: Today’s Traditional Metro Access Networks ETHERNET SONET 26-JUL-2011 5 S7 ECE DEPTETHERNET: ETHERNET Service offered via Ethernet interface. Speed 10 Mbps to 10 Gbps Rapid acceptance in the marketplace. Familiarity, simplicity, and low cost. 26-JUL-2011 S7 ECE DEPT 6 RPR TECHSONET: SONET Synchronous optical network . High speed. R un on optical fiber. Multiplexi ng protocols. Point-to-point circuits between ring nodes. C oncatenated payload containers to transport ATM connections. 26-JUL-2011 S7 ECE DEPT 7 RPR TECHWHY RPR TECHNOLOGY ?: WHY RPR TECHNOLOGY ? Limitations of sonet and ethernet. Fixed Circuits . Waste of Bandwidth for Meshing . Multicast Traffic . Wasted Protection Bandwidth . Does not have a fast protection mechanism . N ot good at implementing global fairness . 26-JUL-2011 S7 ECE DEPT 8 RPR TECHWHY RPR TECHNOLOGY: WHY RPR TECHNOLOGY Reliability and manageability Advanced Protection . Distributed Control . Speed And Number Of Nodes . Plug-and-play Operation . Performance Monitoring Capabilities . Bandwidth Management . Unicast , Multicast And Broadcast Data Traffic. 26-JUL-2011 9 S7 ECE DEPTWHAT IS RPR TECHNOLOGY: WHAT IS RPR TECHNOLOGY Resilient Packet Ring Tech Symmetric Counter-rotating Rings Physical Layers Spatial Reuse Quality Of Service 26-JUL-2011 10 S7 ECE DEPT RPR- Emerging Metro Network Architecture: RPR- Emerging Metro Network Architecture Packet-based metropolitan area network. Solution to the metro bottleneck problem. Global fairness policy. Data transport over a fiber ring is needed. 26-JUL-2011 S7 ECE DEPT 11 RPR TECHBASIC RING OPERATION: BASIC RING OPERATION 26-JUL-2011 S7 ECE DEPT 12 RPR TECH Insertion (Adding A Packet Into The Ring) . Forwarding (Sending The Packet Onward) . Stripping (Taking The Packet Off The Ring).CLASSIFICTIONS: CLASSIFICTIONS SERVICE TYPE Class A (high - priority), Class B (medium-priority) Class C (low-priority). 26-JUL-2011 13 S7 ECE DEPT RPR CHARACTERISTICS: RPR CHARACTERISTICS Packet ADM Architecture . Spatial Reuse . Resiliency . Bandwidth Fairness . Broadcast or Multicast Traffic . 26-JUL-2011 S7 ECE DEPT 14 RPR TECHPacket ADM Architecture: Packet ADM Architecture Bi-Directional Packet Ring. 26-JUL-2011 S7 ECE DEPT 15 RPR TECH SPATIAL REUSE: SPATIAL REUSE 26-JUL-2011 S7 ECE DEPT 16 RPR TECH Increase Efficiency . Bidirectionallytraffic. Provid e Full Bandwidth .Resiliency: Resiliency Recovery from a Fiber Cut Self-healing or automatic recovery. 26-JUL-2011 S7 ECE DEPT 17 RPR TECHRecovery from Fiber Cut : Recovery from Fiber Cut 26-JUL-2011 18 S7 ECE DEPT Broadcast or Multicast Traffic: Broadcast or Multicast Traffic N atural fit for broadcast and multicast traffic. Nodes can simply receive the packet and forward it. Packet by sending one copy around the ring. ¼ the bandwidth as the SONET multicast . 26-JUL-2011 S7 ECE DEPT 19 RPR TECH Simplified Service Provisioning: Simplified Service Provisioning Simplified service model . Provisioning service is thus far simpler . T he ring functions as a shared medium . Nodes have visibility about capacity. node-by-node &link-by-link capacity plan needless . 26-JUL-2011 S7 ECE DEPT 20 RPR TECHBandwidth Fairness: Bandwidth Fairness 26-JUL-2011 S7 ECE DEPT 21 RPR TECH ETHRNET RPR TECH Packet Rings in Application: Packet Rings in Application Require data transport over fiber ring . Interconnection, BTV and NGN access services. Multi-vendor interoperability. 26-JUL-2011 S7 ECE DEPT 22 RPR TECH Packet Ring Standard Development in IEEE 802.17: Packet Ring Standard Development in IEEE 802.17 Efforts underway to RPR standard. The IEEE 802.17 define R PR . Approved in December 2000. 26-JUL-2011 S7 ECE DEPT 23 RPR TECH Some of the goals of the 802.17: Some of the goals of the 802.17 Supports dual counter rotating ring topology . Full compatibility with IEEE's 802 architecture . Protection mechanism with sub 50ms fail-over . Packets destination stripping. Avoid technical risk. 26-JUL-2011 S7 ECE DEPT 24 RPR TECH CONCLUSION: CONCLUSION Complementary to SONET &Ethernet. MAC protocol operates at Layer 2 of the OSI. RPR MAC with Ethernet offers highly efficient metro networks. 26-JUL-2011 S7 ECE DEPT 25 RPR TECHGLOSSARY: GLOSSARY RPR- Resilient Packet Ring. ADM- Analog to Digital Multiplexer . ATM - Asynchronous Transfer Mode . MAN- Metropolitan Area Network . LAN- Local Area Network. MAC- Media Access Control . BTV- SONET- Synchronous Optical Network . 26-JUL-2011 26 S7 ECE DEPT REFFERENCE: REFFERENCE http//www.rtrpdf.org Wikipedia http://www.rpralliance.org/articles IEEE Draft P802.17, draft 3.0, “Resilient Packet Ring” . 26-JUL-2011 S7 ECE DEPT 27 RPR TECHTHANK YOU: THANK YOU QUIESTIONS: QUIESTIONS 26-JUL-2011 S7 ECE DEPT 29 RPR TECH ? You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.