TF-NOC flash presentation DFN TF-NOC Feb 2012 Dubrovnik Thomas - - PowerPoint PPT Presentation

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TF-NOC flash presentation DFN TF-NOC Feb 2012 Dubrovnik Thomas - - PowerPoint PPT Presentation

Dec 17, 2023 195 likes •380 views

TF-NOC flash presentation DFN TF-NOC Feb 2012 Dubrovnik Thomas Schmid, schmid@dfn.de DFN (1) Head office in Berlin Management, Project Management, Planning, Ordering, Services (Lambda Service, Roaming, PKI, Federations, LIR, IP

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SLIDE 1

TF-NOC flash presentation DFN

TF-NOC Feb 2012 Dubrovnik

Thomas Schmid, schmid@dfn.de

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SLIDE 2

DFN (1)

  • Head office in Berlin

– Management, Project Management, Planning, Ordering, Services (Lambda Service, Roaming, PKI, Federations, LIR, IP ressources, VoIP, secondary DNS, netnews, PoP facility management, …) … – ca. 35 people

  • Branch Office in Stuttgart: 2 Teams

– NOC/Ops/Engineering/PERT (5 FTE, 2 PTE) – IP, Mcast, VPNs, MPLS, Troubleshooting, Consulting, Testing, Planning, Projects, Migraeions, staging, … – Normal office hours, 24x7 for escalation. 1 of 4 people on-call duty. – Service Operation (VC, Mail, Spam-marking, Web, DSL, Serverhosting, PKI, AAI, Federations, Domain, …) (8 FTE)

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SLIDE 3

DFN (2)

  • DFN CERT GmbH

– Hamburg, 30+ FTE/PTE

  • WiN-Labor Erlangen

– Statistics, Accounting, Hades, Perfsonar, Quality control, Geant Projects ... (ca. 8 FTE/PTE, DFN, Univ. of Erlangen)

  • Ixus GmbH

– Spin-off in Berlin, 2 FTE

  • CNM-Team

– Located at LRZ Munich, working also for Geant Projects, 2 FTE.

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SLIDE 4

IP Topology

  • mix of 10G and parallel 2 x 10G links
  • Routerplatform Cisco
  • 4 x CRS-1
  • 55 x 7609
  • major topology change this year
  • tender for 100G routers ongoing
  • managed by DFN
  • local loops to member institutes
  • rdered and managed by DFN
  • ca. 770 institutes
  • redundant connection to 2 PoPs
  • in sum 1000+ links
  • PoPs at universities (except Frankfurt)

Serving Universities, Research Institutes, polytechnical Universities, government agencies, commercial research labs, medical institutes, … primary/secondary schools via DSL and webhosting (few)

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SLIDE 5

DWDM

  • Huawei BWS 1600G system
  • static lambdas, lead time 8

weeks for new lambdas

  • managed by Huawei
  • NOC has access to T2000

management client

  • tender ongoing
  • Equipment will be replaced until

end of year

  • ROADM + OTN switching?
  • new platform: for 18 months

managed by supplier. Depending

  • n experiences then perhaps

managed in-house?

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SLIDE 6

Fiber

  • country-wide leased fiber
  • managed by fiber providers
  • leased lambdas in few places
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SLIDE 7

Service Desk

  • Outsourced to Dimension Data
  • 24x7x365
  • 1st level
  • active monitoring of routers, core and access

links

  • core: monitor interface status
  • access: monitor BGP session to member
  • r active link monitoring with ping
  • coordinates troubleshooting in case of link

failures between e.g. Huawei/fiber carriers or local loop suppliers

  • Coordinates emergency hardware

replacements

  • dedicated users can open tickets
  • communication by phone, mail, web-interface
  • escalation 24x7 to NOC
  • proprietary ticket system

Dimension Data also takes care of PoP maintenance and is our Cisco contractor.

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SLIDE 8

Tools: CNM

Customer view on network

  • weathermap
  • individual usage statistics
  • developed at LRZ Munich and

part of PerfSonar project

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SLIDE 9

Tools: PoP hardware documentation database

  • home-made
  • racks
  • cabling
  • power
  • climate
  • routers
  • switches
  • patches
  • room plans
  • PoP access
  • ISDN/phone numbers
  • …

Used by NOC and Service Desk

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SLIDE 10

Tools: GIS

The most important Database/Tool in DFN!

  • Topology database
  • customer/user database
  • IP addressing database (core, users)
  • hardware database
  • services database (DSL, VC, VoIP, …)
  • statistics database
  • billing
  • contracts
  • ressource-service mapping
  • ordering procedures
  • maintenance management
  • process tracking
  • data export to other tools/projects
  • …

Developed and maintained by Ixus GmbH, spin-off from former DFN interns

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SLIDE 11

Tools: HPOV

Mainly used during business hours. Probably replaced soon by e.g. Icinga.

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SLIDE 12

Tools: MRTG frontend

  • home-made
  • basic monitoring and

alarming function integrated

  • Top-N List generation for

numerous parameters

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SLIDE 13

Tools: Accounting

  • Traffic Matrix and user Accounting
  • developed by Win-Labor Erlangen
  • Operated by NOC
  • used for planning
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SLIDE 14

Tool: Mail

  • instead of internal ticketing system
  • home-made
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SLIDE 15

Tools, misc

  • Tons of scripts that have been developed over

the last 17 years

– Yes, we still use e.g. one monitoring script that was written in 1993! – Monitoring, network planning, logging, router management, config management, alarming, process tracking, ... – pre-nagios/cacti/RT/… origin

–Nagios, OTRS, … for services

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SLIDE 16

Inter-NOC communication

  • Internal communication via VC, phone, mail,

Jabber

– Weekly VCs with Berlin – periodic phone conferences/VCs for ongoing projects – 2-day meetings outside Berlin for special topics

  • NOC-NOC communication via phone,

mail(lists), IRC (commercial ISPs)

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SLIDE 17

Misc

  • no written SLAs with customers
  • additional documentation in internal Wiki
  • MediaWiki, will be replaced by FosWiki
  • better document integration
  • “Betriebshandbuch”
  • documents operational procedures with

Dimension Data, Carriers