This presentation will discuss the best practices to configure, monitor, and manage PTP as well as track media flows in an IP-based media facility. To illustrate this, real-life customer use cases for both PTP management and flow monitoring will be discussed.
File Type:
pdf
Categories:
PTP and Sync
Presenters :
Thomas Gunke - Skyline
Year :
2019
dlp_document_download :
C U R A T E D B Y I P S H O W C A S E T H E AT E R AT N A B – A P R I L 8 -1 1 , 2 0 1 9 PTP Management & Media Flow Monitoring For All - IP Infrastructures Thomas Gunkel – Market Director Broadcast Skyline Communications INTRODUCTION Our company: Skyline Communications established in 1985, independent headquartered in Izegem, Belgium global presence (19 international sites) 300+ employees acknowledged expert in e2e monitoring & orchestration Our product: DataMiner multi -vendor off -the -shelf NMS & OSS platform monitor, control, orchestrate 6000+ systems deployed 5500+ drivers to interface with products from 600+ vendors 2 PTP – a protocol, not a signal PTP standard makes some assumptions no packet delay variation (PDV) no assymetr y (internal assymetr y, transmission assymetr y) timestamps are perfect mechanisms to alleviate these sources of errors create timestamps in hardware use QoS to prioritize PTP traffic chose between BC, TC, E2E, P2P, correct timing inter vals, etc.. to optimize the precision of time at the endpoint 3 but nothing is perfect PTP – common sources of error configuration issues (grandmaster, boundar y clock, slave) BMCA settings messaging rate inter vals communication mode (unicast, multicast, mixed) device issues grandmaster, boundar y clock failure loss of external reference badly implemented BMCA, PTP master election process network issues m issing event messages corrupted event messages increased packet delay variations (PDV) network assymetr y multicast issues 4 automate PTP configuration monitor & control PTP environment Automated PTP Provisioning automatically d etect ANY new PTP aware devices (IS -04 / proprietar y protocols) – FUTURE PROOF automatically extract e2e PTP topology (LLDP) apply standard PTP settings/profiles to ANY grandmaster, switch, slave device compare PTP configurations d efine and apply "golden" configurations 5 infrastructure discover y and provisioning discover y configuration rack views provisioning software update Infrastructure Discover y and Provisioning 360 ° PTP Monitoring & Control monitor ever y single PTP metric on all PTP grandmasters, PTP masters, PTP slaves monitor PTP performance (e.g. PTP offset, PTP mean path delay) monitor PTP multicast -traffic (network packets as well as switch tables) apply PTP security workflows (e.g. block PTP slave devices to never become a master) integrate network analyzers 6 monitoring & control PTP Over view 7 PTP Topology 8 9 PTP Comparison 10 PTP Details 11 PTP Performance Data Media Flow Tracking network is a shared & non -linear medium (vs single SDI cable) complex switch fabrics (vs single SDI router) multiple ST2110 essence streams (vs single SDI signal) SDN controllers talk to plenty of end points (vs single SDI router) broadcast and SDN controllers still use „classic" SDI router protocols 12 Broadcast Controller SDN Controller IN10 OUT20 End Point (OUT20) Set Multicast ACK SDN DB IN 10 = 239.1.1.1:10000 OUT 20 = 192.168.90.1 BC DB IN 10 = camera 10 OUT 20 = monitor 20 what if the BC -controller panel shows a connection but the screen stays black? Media Flows - Sources Of Error Controller wrong DB entries (initial setup, device replacement, IS -04 querier issue) BC -controller and SDN controller DBs are out of sync Source source not active, not streaming wrong IP(s) or multicast transmit address(es) Network IGMP join / leave issues static multicast issues source specific multicast issues oversubscription (ghost streams) Destination IGMP join not sent wrong multicast receive address(es) 13 track your media flows in real -time DataMiner Media Flow Tracking read crosspoint status from SDN controller "where are all my flows supposed to be?" check this status versus the real -time situation "where are my flows in reality?" detect the flows which are there but should not be there 14 gather real -time information from source to destination „crawl" through the network D ataM iner flow monitoring and path visualization bandw idth uti lization stream ana lysis Start With The Source 15 Resolve Topology 16 Check Destinations 17 Drill Down To Details 18 Stream Issue Example 19 SUMMARY M ONITOR AND MANAGE YOUR PTP INFRASTRUCTURE WITH CARE 20 TRACK YOUR UNCOMPRESSED MEDIA FLOWS IN REAL -TIME GO FOR TRUE E2E SDN ORCHESTRATION RATHER THAN SDN CONTROL monitor control orchestrate 21 Thank You! Thomas Gunkel Skyline Communications thomas.gunkel@skyline.be +49 172 8699846 www.skyline.be SEE IT IN ACTION? booth SU7317
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