Difference between revisions of "User:Bourke/dvtreffen2011"
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* cwdm (course wavelength multiplex). Up to 16 channels, c. 1GBit/s per channel, only within metro area | * cwdm (course wavelength multiplex). Up to 16 channels, c. 1GBit/s per channel, only within metro area | ||
* DWDM (dense wavelength multiplex) Anything above 10GBit/s needs this. | * DWDM (dense wavelength multiplex) Anything above 10GBit/s needs this. | ||
* 2010 redundante cable | |||
=== Opensource captive portal solution === | === Opensource captive portal solution === | ||
Revision as of 12:57, 20 September 2011
DV Treffen 2011[edit]
DNSSec[edit]
- signierte zonen. Nicht zwingend notwendig
- anpassung von firewallregeln notwendig
- schlüssel. (wer ist CA?)
- stand 2010. Root-zone ist signiert.
- DNS providers (.de, .com .org usw) sind jetzt signiert
- GWDG hat ein validierender DNS-Server
- IPAM ?? (GWDG)
protects against for example [2]
Metro-Netz (mpg berlin-brandenburg)[edit]
- 40 km between mpi instituten
- 2005 ATM 155 mbit/s - 1 gbit/s ethernet
- backup-daten für regionale institute
- 2006 TDM (time division multiplex 2 x 1Gbit/s channels).
- TDM included Fibre Channel: wacklig. Fibre Channel over Internet / Firechannel over Ethernet
- default flow controll ("buffer credits") not suitable for over 10 km distance
- cwdm (course wavelength multiplex). Up to 16 channels, c. 1GBit/s per channel, only within metro area
- DWDM (dense wavelength multiplex) Anything above 10GBit/s needs this.
- 2010 redundante cable