TR-143_Amendment-1.pdfTR069 TR143技术文档说明Enabling Ne

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详细说明：TR069 TR143技术文档说明Enabling Network Throughput Performance Tests and Statistical Monitoring TR-143 Issue 1 Amendment 1 TR Issue History Issue Number Approval Publication Issue Editor Changes Date Date May 2008 Tim Spets Westell Origi Larry Jones, Verizon Richard jia. verizon Greg Bathrick, PMC lerra Corrigendum 1 December Tim Spets Westell Rcmoⅴe 2008 TCPOpen requestTime and TCPOpen Response Time from download and pload profiles to fix ditorial mistake. Also 2 typos fixed Replaces tR-143 Issue 1 (May2008) Amendment1 1 December 11 February Sharam Hakimi Added 2014 2015 EXFO UDPEchoPlus client Steve nicolai. arris initiated testin Time base in addition to file Threading/ Connections Server Diagnostics IPv4/IPv6 protocol selection Comments or questions about this broadband forum Technical report should be directed to help(abroadband-forumorg editors Sharam hakimi EXFO sharanhakimi(aexfo.com Steven nicolai arris steven.nicolaiaarrisi.com BroadbandHome Jason Walls QA Cafe jason(aqacafe.com WG Chairs John blackford Pace johnblackford(apace.com December 2014 C Thc Broadband Forum. All rights reserved Enabling Network Throughput Performance Tests and Statistical Monitoring TR-143 Issue 1 Amendment 1 TABLE OF CONTENTS EXECUTIVE SUMMARY,… ·············●······ PURPOSE AND SCOPE 1.1 PuRPoSE 6777 2 SCoPE∴ 2 REFERENCES AND TERMIINOLOGYmomson. mmm 8 2.1 CONVENTIONS…… 2.2 REfERENcES ····························,··.············ 2.3 DEFINITIONS….....……9 2.4 ABBREVIATIONS…… 10 3 TECHNICAL REPORT IMPACT 3.1 ENERGY EFFICIENCY 3.2IPV6.... 3.3 SECURITY.……………,11 3.4 PRIVaCY 11 4 ACTIVE MONITORING 12 4.1 CPE INITIATED DIAGNOSTICS. ..........................................................................13 42 NETWORK INITIATED DIAGNOSTICS 14 4.3 TIME BASED THROUGHPUT TESTING………15 4.4 ULTI- THREADING/ CONNECTIONS∴… 16 S PARAMETER DEFINITIONS 17 APPENDIX A: THEORY OF OPERATIONS ●····鲁香··香·鲁·曲····自·····看曹。··曲曲·曲·非· 18 A1 CLIENT AND NETWORK INITIATED UDPECHODIAGNOSTICS 18 A.1.1 Introduction .l8 A.1.2 Motivation 8 A.1.3 Security Considerations- Network initiated tests 19 A.1.4 UDPEchoPlus packet format ··音 19 A.1.5 UDPEcho and UDPEcho Plus server setup 20 A.1.6 UDPEcho Plus client 20 A. .7 UDPEcho Plus server 20 A.1.8 Performance Metrics examples with UDPEchoPlus 21 A.2 DOWNLOADDIAGNOSTICS UTILIZING FTP TRANSPORT.………………………,25 A.3 UPLOADDIAGNOSTICS UTILIZING FTP TRANSPORT.………………………………29 A. 4 DownloAddiagNosticS UtilizIng Http TraNsport A. 5 UploadDiagnOstiCs UtiliziNg Http TraNsport 35 A.6 TIME BASED FILE TRANSFER( Http/ftp)…,…,…,…37 A 7 USE OF MULTI THREADING/CONNECTIONS 39 A.7.1 File Transfer Mode 39 A 7.2 Time Based Transfer Mode 40 A.7 Period of Full loading .47 a, 8 SERVERSELECTIONDIAGNOSTICS 41 December 2014 C Thc Broadband Forum. All rights reserved Enabling Network Throughput Performance Tests and Statistical Monitoring TR-143 Issue 1 Amendment 1 aPPendIX B: TEST RESULTS 42 B.1 UPLOADLⅠ AGNOSTICS AND DOWNLOADDⅠ LAGNOSTICS TEST RESULTS.…42 B.2 ASYMMETRICAL CONSIDERATIONS..……… 43 List of Figures Figure 1 Performance Testing components igure2 Cpe Downloaddiagnostics using Http transport¨…… 12 ····:··········· 垂垂垂.垂垂。垂垂垂;.D垂。垂 14 Figure3 UDPEchoPlus Event Sequence………,………..,,.…,….,….…...,.24 Figure 4 DownloadDiagnostics using FTP transport 28 Figure 5 UploadDiagnostics utilizing ftp transport ..............................32 Figure6Downloaddiagnosticsutilizinghttptransport......35 Figure7Uploaddiagnosticsutilizinghttptransport 37 Figure & Cpe Time based throughput diagnostics using Http/Ftp transport 38 figure 9 Time Based multi Thread/Connection Testing 。垂着。·。·D·。非垂。垂。垂。音。·垂·垂 40 Figure 10 Multi Thread/Connection Total/ Full Loading Time Duration 41 List of tables Table 1 Enabling network Throughput Performance Tests and Statistical Monitoring Versions 17 Table 2 Enabling Network Throughput Performance Tests and Statistical Monitoring Object Usage 17 Table 3 UDPEchoPlus packet format ................ 19 Table 4 Statistics and protocol layer reference for FTP DownloadDiagnostics.........26 Table5 Statistics and protocol laver reference for上 TP UploadDiagnostics………..29 Table6StatisticsandProtocollaverreferenceforhttpdownloaddiagnostics 33 Table 7 Statistics and Protocol layer reference for Http Uploaddiagnostics............ 35 Table8 Diagnostics Test Results…… 42 December 2014 C Thc Broadband Forum. All rights reserved Enabling Network Throughput Performance Tests and Statistical Monitoring TR-143 Issue 1 Amendment 1 Executive Summary TR-143 lssue l Amendment I defines the cpe data model objects for Network service Providers to initiate performance throughput tests and monitor data on the Ip interface of a CPE using the diagnostic mechanism defined in TR-069 [1] The Network Service Provider provides network infrastructure and services to its customers these include Content service Providers who source the information and end users who consume that information. In order to minimize the downtime of network services the network service Provider needs tools to enable monitoring the performance of the network continuously to prevent problems from occurring and diagnose the problem when it occurs The architecture of TR-069 [1] enables device management with the cpe devices both at the customer's gateway, and with devices within the customer's office/home network. The diagnostic and monitoring objects provided with tR-143 Issue 1 Amendment 1 will assist the Network Service Provider in determining whether the problem occurs in the Network Service Provider's network or the customer's office/home network December 2014 C Thc Broadband Forum. All rights reserved Enabling Network Throughput Performance Tests and Statistical Monitoring TR-143 Issue 1 Amendment 1 1 Purpose and Scope 1.1 Purpose As broadband Network Service Providers endeavor to provide quantitative Qos and/or qualitative Qos distinctions, they require some means of base lining nominal service levels and validating such Qos objectives. Active Monitoring of the broadband access network represents one important tool for achieving this objective The key benefit of Active monitoring is that it allows the network operator to characterize the performance of end to end paths and/or path segments depending on the scope of the probing. An example use case is to perform active tests between the subscriber Cpe and a Network test server located at the network service Provider's Point of Presence(POP). This scenario gives the Network Service Provider the abilit to measure the contribution of the network service provider network(i.e. the portion of the end to end path under the provider's control) to the overall user experience(which is dictated by the composite effect of the segments their applications traverse end to end). A natural extension of this use case is to place Network Test Servers at multiple locations in the subscriber path towards the provider's Internet Peering Point. Moreover, Active Monitoring enables the measurement of performance metrics conducive to establishing Service Level Agreements for guaranteed and business class service offerings The throughput tests proposed in this Technical report are intended to measure the user experience via traffic emulation Though it is arguable that the user experience can be inferred solely from network performance paramcters(e. g. packet loss, packet delay, ctc ) network operators can benefit from having the ability to measure user level performance metrics such as transaction throughput and response time in a proactive or an on-demand basis. This technic Report includes throughput and response time test types in an overall portfolio of Active Monitoring. Such tests inherently account for the nuances and n-th order effects of transport protocolbehaviorsuchasTcpflowcontrolbyemulatingapplicationlayertransactions(http, FTP) and explicitly measuring parameters of interest such as transaction throughput, round trip time, and transaction response time. Since the network operator can bound the scope of the measurement segment(e.g. to within a broadband access network or autonomous domain, etc these measurements greatly enhance the performance characterization of network segments of interest in a manner most intuitively aligned with the user experience. The set of test transaction types here is extensible to other transaction types 1.2 Scope This Technical report defines an active monitoring test suite which can be leveraged b etwork Service Providers to monitor and/or diagnose the state of their broadband network paths serving populations of subscribers who utilize TR-069 compliant CPE. Active Monitoring supports both Network Initiated Diagnostics and CPE Initiated Diagnostics for monitoring and characterization of service paths in either an ongoing or on-demand fashion. These generic tools provide a platform for the validation of qos objectives and Service Level Agreements This Technical Report introduces a Network Test Server, which is a conceptual endpoint for the testing described herein. Operation of this server is out of scope for this Technical report December 2014 C The Broadband Forum. All rights reserved Enabling Network Throughput Performance Tests and Statistical Monitoring TR-143 Issue 1 Amendment 1 2 References and terminology 2.1 Conventions In this Technical Report, several words are used to signify the requirements of the specification. These words are always capitalized. More information can be found be in RFC 2119 [6 MUST This word, or the term"REQUIRED,, means that the definition is an absolute requirement of the specification MUST NOT This phrase means that the definition is an absolute prohibition of the specification SHOULD This word. or the term RECOMMendED means that there could exist valid reasons in particular circumstances to ignore this item, but the ful implications need to be understood and carefully weighed before choosing a different course SHOULd NOT This phrase, or the phrase"NoT ReComMended"means that there could exist valid reasons in particular circumstances when the particular behavior is acceptable or even useful, but the full implications need to be understood and the case carefully weighed before implementing any behavior described with this label MAY This word. or the term ""optional. means that this item is one of an allowed set of alternatives. An implementation that does not include this option must be prepared to inter-operate with another implementation that does include the option December 2014 C Thc Broadband Forum. All rights reserved 8 Enabling Network Throughput Performance Tests and Statistical Monitoring TR-143 Issue 1 Amendment 1 2.2 References The following references are of relevance to this Technical Report. At the time of publication, the editions indicated were valid. All references are subject to revision; users of this Technical report are therefore encouraged to investigate the possibility of applying the most recent edition of the references listed below A list of currently valid Broadband Forum Technical Reports is published at www.broadband-forum.org. Document Title urce Year 1]TR-069 CPE WAN Management Protocol BBE 2013 Amendment 5 TR-098 Internet Gateway Device Version 1. Data Model BBF 2008 Amendment 2 for tr-069 [3]TR-106 Data Model Template for TR-069-Enabled BBF 2013 Amendment 7 Devices 41RFC862 Echo Protocol IETF 1983 [5]RFC959 File transfer protocol IETF 1985 [6]RFC2119 Key words for use in rfcs to Indicate 1997 Requirement levels RFC 2616 HypertextTransferProtocol--http:/l.i IETE 1999 [8]RFC3393 iP Packet Delay variation Metric for IP IETF 2002 Performance Metrics(IPPM [9]RFC3449 TCP Performance Implications of Network Path ETF 2002 asymmetry [10]RFC4291 IP Version 6 Addressing Architecture IETE 2006 [11]RFC6349 Framework for TCP Throughput Testing IETF 2011 [12]TR-18li2a9 Device data Model for TR-069 BBE 2013 2.3 Definitions The following terminology is used throughout this Technical report Active Monitoring Actively transmitting or receiving data in a controlled test Content service provider Provides services to the customer premise via the Network service Provider network Internet peering point a location within the network service provider network where the Network Test s Network Service Provider Provides the broadband network between the customer premise and the internet Network Test Server Peer testing endpoint for the cpe within the network service Provider network. December 2014 C Thc Broadband Forum. All rights reserved Enabling Network Throughput Performance Tests and Statistical Monitoring TR-143 Issue 1 Amendment 1 Quality of service Quality of service is the ability to provide different priority to different applications, users, or data flows, or to guarantee a certain level of performance to a data flow Service Level agreement An agreement between the Network Service Provider and the content Service Provider to insure Quality of service UDP Echo Service Services that ' a UDP packet back to the originator UDP Echo plus service Extension to UDP Echo Service defined in RFC 862 [4 2. 4 Abbreviations This Technical Report defines the following abbreviations CPE Customer Premise equipment DOS Denial of service FTP File transfer protocol httphyPertextTransferProtocol ICMP Internet Control Message Protocol IPDV IP DelayⅤ ariation POP Point of presence QoS Quality of service RG Residential gateway TCP Transmission Control protocol TR Technical Report UDP User Datagram Protocol WG Working group December 2014 C Thc Broadband Forum. 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