# Commission Decision of 16 March 2007 laying down the network requirements for the Schengen Information System II (1st pillar) (notified under document number C(2007) 845) (Only the Bulgarian, Czech, Dutch, German, Estonian, Finnish, French, Greek, Hungarian, Italian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Romanian, Slovak, Slovenian, Spanish, and Swedish text is authentic) (2007/170/EC), Division 4.6.5: Other specifications

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

To support the CS-SIS, the Communication Infrastructure must at least comply with a minimum set of technical specifications:
The transit delay must be (including the busy hours) less or equal to 150 ms in 95 % of packets and less than 200 ms in 100 % of packets.
Its probability of packet loss must be (including the busy hours) less or equal to 10-4 in 95 % of packets and less than 10-3 in 100 % of packets.
The aforementioned specifications are to be considered for each access point separately.
The connection between the CU and BCU must have a round trip delay less or equal to 60 ms.

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Source: https://www.legislation.gov.uk/eudn/2007/170/annex/division/4/division/4.6/division/4.6.5 (the official version)
Page: https://openlegislation.uk/eu-decision-2007-170/annex/division-4/division-4.6/division-4.6.5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.