ethernet performance measurement on the ams-ix platform
TRANSCRIPT
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2Tech Meeting - June 9th 2011
Agenda
• Need• Ethernet OAM• AMS-IX Setup• Challenges• Next up
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3Tech Meeting - June 9th 2011
Agenda
• Need• Ethernet OAM• AMS-IX Setup• Challenges• Next up
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4Tech Meeting - June 9th 2011
Need• Inter-IPX End-to-End QoS
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5Tech Meeting - June 9th 2011
Requirements
• End-to-End SLA’s– Delay– Jitter– Frame Loss
• Presentable Data
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6Tech Meeting - June 9th 2011
Agenda
• Need• Ethernet OAM• AMS-IX Setup• Challenges• Next up
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7Tech Meeting - June 9th 2011
Ethernet OAM
• Standards:– IEEE 802.3ah Ethernet in the First Mile
• Single link
– IEEE 802.1ag Connection Fault Management• End-to-End Fault Signaling
– ITU-T Y.1731 Ethernet OAM• Adds Performance Measurements
– MEF Technical Specification 17• Still in Phase 1
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8Tech Meeting - June 9th 2011
OAM Definitions
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9Tech Meeting - June 9th 2011
OAM Domains
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10Tech Meeting - June 9th 2011
Y.1731
• Auto-Discovery of Peer-MEPs– Multicast CCM-messages– Include Frame Loss Counters
• Unicast Delay & Jitter messages• Multicast or Unicast
– Link Trace Messages– Loopback Messages
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11Tech Meeting - June 9th 2011
Agenda
• Need• Ethernet OAM • AMS-IX Setup• Challenges• Next up
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12Tech Meeting - June 9th 2011
AMS-IX Setup
• 1 MEG -- 26 MEPs– One connected to each PE– 1 CCM message per second– 10 Delay messages per second
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13Tech Meeting - June 9th 2011
Platform
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14Tech Meeting - June 9th 2011
Hardware
EtherNID-GE (1GbE)
MetroNODE-CE (10GbE)
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Tech Meeting - June 9th 2011
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16Tech Meeting - June 9th 2011
Data Gathering
• MRTG polls every minute• RRDtool• Synleaf Realtime Statistics
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17Tech Meeting - June 9th 2011
Agenda
• Need• Ethernet OAM • AMS-IX Setup• Challenges• Next up
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18Tech Meeting - June 9th 2011
Challenges
• Time Synchronization– Essential for One Way Delay
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19Tech Meeting - June 9th 2011
Challenges (cont.)
• VPLS CPU Protection– Multicast to CPU– Potentially dropped– Flood Multicast
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20Tech Meeting - June 9th 2011
Challenges (cont.)
• Load Balancing– Entropy?– Same path, same link...
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21Tech Meeting - June 9th 2011
Challenges (cont.)
• Internal Procedures– Maintenance Windows– Trouble Tickets– Service Managers– etc..
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22Tech Meeting - June 9th 2011
Agenda
• Need• Ethernet OAM• AMS-IX Setup• Challenges• Next up
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23Tech Meeting - June 9th 2011
Next up
• Working with Accedian– Specific paths– Lower Thresholds– Getting Realtime Values
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24Tech Meeting - June 9th 2011
Results
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25Tech Meeting - June 9th 2011
Results
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26Tech Meeting - June 9th 2011
Results
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27Tech Meeting - June 9th 2011
Questions ?
http://stats.ams-ix.net