使用 Catalyst 9000 交换平台构建时间敏感型网络.pdf

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1、#CiscoLive#CiscoLiveRaj Kumar Goli,Technical Marketing EngineerBRKENS-2098Converging Time Sensitive Applications&Devices onto EthernetBuilding Time Sensitive Networks with Catalyst 9000 Switching Platforms 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveEnter your personal

2、 notes hereCisco Webex App Questions?Use Cisco Webex App to chat with the speaker after the sessionFind this session in the Cisco Live Mobile AppClick“Join the Discussion”Install the Webex App or go directly to the Webex spaceEnter messages/questions in the Webex spaceHowWebex spaces will be moderat

3、ed by the speaker until June 9,2023.12343https:/ 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicBRKENS-20983#CiscoLive 2023 Cisco and/or its affiliates.All rights reserved.Cisco PublicAgendaWhy Precision Timing?What is Precision Time Protocol?PTP Devices/Clock Types/ProfilesHow to

4、Design a PTP Network?What is Audio Video Bridging?AVB Use CasesWhy Precision Timing?2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveOut-Of-Sync Audio,Need ClockingMechanismBRKENS-20986 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveUnsynchronize

5、dClocks dont helpBRKENS-20987 2023 Cisco and/or its affiliates.All rights reserved.Cisco Public#CiscoLiveWhy is achieving synched data difficult on a network?NetworkNetwork throughputthroughput timetime cancan varyvary:Increase in network trafficTraffic moves further from source deviceRedundant netw

6、ork paths may introducedelay varianceNetwork end points have no common timefactorNetworkNetwork DelayDelay cancan varyvary:Media packets include a“future time torelease”Packets are held at the endpoint until thattime arrivesThis process requires endpoints to have a common time clockBRKENS-20988 2023