dai davies, dante drcn 2014 ghent april 1-3 2014
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Dai Davies, DANTE
DRCN 2014 Ghent
April 1-3 2014
Network Reliability – the Role of Excellence in Network Operations
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All About GÉANT
• Resilient Topology• Resilient Physical
Routing• Minimal Hardware
Resilience• Relies on Vendor
Sparing (4hr response time)
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GÉANT Availability - February 2014
IP Access Availability No of Accesses
IP Access availability above 99.99% 60 (α)
IP Access availability between 99.9% and 99.99% 0
IP Access availability between 99% and 99.9% 0
IP Access availability below 99% 2 (β)
Total Accesses 62
α - Effectively 100% Availability
β – Romania, Serbia
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Anatomy of GÉANT Operations
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Ticket Count by Process Type
Type Of Ticket Ticket count
Incident 709Maintenance 894Service Requests 94Housekeeping 42Security 13Escalation/Complaint 1
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Analysis of GÉANT Trouble Tickets
709
894
94
42 131Ticket Count
IncidentMaintenanceService RequestsHousekeepingSecurityEscalation/Complaint
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Analysis of GÉANT Incident Tickets
561
67
58
Ticket Count
Circuit Related
Hardware
S/W
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Operations’ issues
Performance
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Performance Parameters
Availability (Sorted)
Available Bandwidth (Statistical)
One-Way delay (Path)
Packet Loss (Potentially Fatal)
Packet Delay Variation(Jitter) -Important for Real Time Applications
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Performance Monitoring.
Offers:-
- Multi-Domain Monitoring Capability
- Supported by Measurement Archive (Trending)
- Capable of Measuring
• One-Way delay
• Packet Delay Variation (Jitter)
• Packet Loss
• Available Bandwidth using BWCTL
• +ping, traceroute etc.
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PerfSonar at its best
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Operations issues
Security
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GÉANT Security Tickets 2013-2014
July
Augus
t
Septe
mbe
r
Octob
er
Novem
ber
Decem
ber
Janu
ary
Febru
ary
Non S
ecur
ity0
200
400
600
800
1,000
1,200
Number of tickets
Typical Month
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GÉANT –Security Tickets
Type of attack Tickets created
D-Dos TCP SYN Flood 39
D-Dos UDP Flood 302
Dos TCP SYN Flood 18
Dos UDP Flood 602
Network Scan 5812
Port Scan 257
16
First Level Support in FED4FIRE
Developer(Subject Matter
Expert)
Sys Admin(Operational
Support)
Ticketing System / processes
First Level Support
Alarms
Dashboard
17
FED4FIRE Dashboard
Network Reachability
Overall Health
Internal Summary
Check
18
Fed4FIRE - FLS Experience
Incident (Dashboard) Incident (Reported) Maintenance Bug0
5
10
15
20
25
30
35
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www.geant.net
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Thank you!
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