# Commission Decision of 17 June 2008 laying down the physical architecture and requirements of the national interfaces and of the communication infrastructure between the central VIS and the national interfaces for the development phase (notified under document number C(2008) 2693) (Only the Bulgarian, Czech, Dutch, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Romanian, Slovak, Slovenian, Spanish and Swedish texts are authentic) (2008/602/EC), Division 3.5: Resiliency

Extent: E+W+S+N.I.

The communication infrastructure shall offer high availability, in particular of the following components:
backbone network,
routing devices,
points of presence,
local loop connections (including physically redundant cabling),
security devices (crypto devices, firewalls, etc.),
all generic services (DNS, etc.),
LNI and optional BLNI.
Network failover mechanisms shall be set up and, when required, coordinated with the application level to ensure maximum availability of the VIS as a whole.

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Source: https://www.legislation.gov.uk/eudn/2008/602/annex/division/3/division/3.5 (the official version)
Page: https://openlegislation.uk/eu-decision-2008-602/annex/division-3/division-3.5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.