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Published byNicholas Robertson
Modified over 2 years ago
Trouble in IP Heaven
Telco Talk IP Destination QOS Class of service Latency Shaped service
Carriers Infrastructure Datapac PSTNFrame Relay IP ATM MegaRoute ISDN
Carriers Future Fibre SONET MPLS/IP Voice Video VPNs Managed IP Internet App. Services SONET GE
Class of Service - Examples Class 1 - VoIP - Low latency Class 2 - VPN - Moderate Latency Class 3 - Best effort - DSL
VoIP and VOIP Voice over IP Low data rate Can Miss info Low latency Video over IP High data rate Needs 10 –10 BER Latency depends on application
Qos Output Buffer Input Buffer Dropped
CRC Errors Failed Checksum Traditional transport Errored info is transferred IP transport Bad data… Tossed out
ITU Y.1541 Bit Error Rate Bit Loss Rate
Jumbo Frames 1500 bits no more Not WAN material Can Be over 65,000 bits MTU
UDP vs. TCP TCP Confirmed data Wait until ACKed UDP No Stop lights Broadcast Mode Inherent Higher Priority
Video Data Mb/s Time
Shaped Service Meter MarkerShaper Input Dropped
Qos Priority 1 2 3
Video Stream UDP
Streaming Video over the Internet 1. Characteristics of Multimedia Data Voluminous they demand very high data rates, possibly dozens or hundreds of Mbps.
International Telecommunication Union Workshop on End-to-End Quality of Service.What is it? How do we get it? Geneva, 1-3 October 2003 ITU-T Recs. Y.1541.
ProjectIEEE Working Group on Mobile Broadband Wireless Access TitleA new option proposed for requirements.
Internet Transport Glenford Mapp Digital Technology Group (DTG)
November 021 IP Technology Geoff Huston. November 022 Overview A quick skate across the top of an entire suite of technology- based issues that exist.
TCP-FCW – transport protocol for real-time transmissions on high-loss networks Sergei Kozlov,
Strictly Confidential | © 2013 Silver Peak Systems, Inc. All Rights Reserved. DATA CENTER CLASS WAN OPTIMIZATION. ACCELERATE & OPTIMIZE ANY APP Colm Foley.
Ch 5 : Multimedia Network Standardization, QoS, Access Media Science and Technology Faculty Informatics Arini, ST, MT Com
Technical Presentation Series: QoS for MultiService IP Networks Quality of Service for MultiService IP Networks 8th March 2000 Quality of Service for MultiService.
Blue 102 IP Service Architecture Futures Geoff Huston May 2000.
Network Communication Network Communication is the process by which two or more computers transfer information to each other.
Ethernet Congestion Management Brad Booth, Intel September 2004.
Introduction Contain slides by Leon-Garcia and Widjaja.
IP. Orientation 2 IP (Internet Protocol) is a Network Layer Protocol. IP’s current version is Version 4 (IPv4). It is specified in RFC 891.
Submission doc.: IEEE 11-14/0xxx March 2014 Giwon Park, LG ElectronicsSlide 1 Discussion on power save mode for real time traffic Date: Authors:
MB - NG MB-NG Technical Meeting 03 May 02 R. Hughes-Jones Manchester 1 Task2 Traffic Generation and Measurement Definitions Pass-1.
1 OSI Transport Layer IT305: Computer Networks – Chapter 4.
1 Home Networking Residential Gateway Dwight Borses Member of the Technical Staff Field Applications Engineer Irvine Field Sales Office Joint Meeting May.
CS 640 Introduction to Computer Networks Fall 1999 Professor Landweber Copyright 1999, Lawrence H. Landweber Copyright 1996, Larry Peterson (slides marked.
© 2006 Cisco Systems, Inc. All rights reserved. MPLS v MPLS Concepts Identifying MPLS Applications.
ATMATM Asynchronous Transfer Mode An Introduction to John A. Clark.
Chapter 4: Communication* Message-Oriented Communication & Stream-Oriented Communication *Referred to slides by Manhyung Han at Kyung Hee University, Hitesh.
Wireless Data Tutorial Phil Karn Senior Staff Engineer Qualcomm
IP over CDMA Digital Cellular Phil Karn
VoIP PRESENTATION BY HÜSEYİN SAVRAN OUTLINE PSTN an brief history of telephone.
1 Chapter 1 Multimedia Communication. 2 Chapter 1 Multimedia communications 1.1 Introduction 1.2 Multimedia information representation 1.3 Multimedia.
Link-Layer Addressing and Forwarding Nick Feamster Computer Networking I Spring 2013.
VoIP Models for System Performance Evaluation Farooq Khan IEEE Interim Meeting Vancouver, BC, Canada January 12-16, 2004.
U.S. General Services Administration Networx Overview Richard Williams Director, Service Development Network Services Programs Integrated Technology Services.
Alter – Information Systems © 2002 Prentice Hall 1 Networks and Telecommunications.
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