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Dai Davies, DANTEDRCN 2014 GhentApril 1-3 2014
Network Reliability – the Role of Excellence in Network Operations
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2Connect | Communicate | Collaborate
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 AccessesIP 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
42 131 Ticket 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
Septem
ber
Octobe
r
Novem
ber
Decem
ber
Janu
ary
Februa
ry
Non S
ecuri
ty0
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
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16
First Level Support in FED4FIRE
Developer(Subject Matter
Expert)
Sys Admin(Operational
Support)
Ticketing System / processes
First Level Support
Alarms
Dashboard
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17
FED4FIRE Dashboard
Network Reachability
Overall Health
Internal Summary
Check
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18
Fed4FIRE - FLS Experience
Incident (Dashboard) Incident (Reported) Maintenance Bug0
5
10
15
20
25
30
35
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www.geant.net
www.twitter.com/GEANTnews | www.facebook.com/GEANTnetwork | www.youtube.com/GEANTtv
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Thank you!