OpenLegislation

Division 1

United Kingdom

Original text. Later amendments are not shown.

National systems shall fulfil the following minimum level of service:

  1. 1.1.

    They shall be available 24 hours a day, 7 days a week.

  2. 1.2.

    Their availability shall be monitored by a heartbeat message issued from the central hub.

  3. 1.3.

    Their availability rate shall be 98 %, according to the following table (the figures have been rounded to the nearest convenient unit):

    An availability ofmeans an unavailability of
    DailyMonthlyYearly
    98 %0,5 hours15 hours7,5 days

    Parties are encouraged to respect the daily availability rate, however it is recognised that certain necessary activities, such as system maintenance, require a downtime of more than 30 minutes. However, the monthly and yearly availability rates remain mandatory.

  4. 1.4.

    They shall respond to a minimum of 98 % of the requests forwarded to them in one calendar month.

  5. 1.5.

    They shall respond to requests within 10 seconds.

  6. 1.6.

    The global request timeout (time within which the requestor may wait for a response) shall not exceed 20 seconds.

  7. 1.7.

    They shall be able to service a request rate of 6 messages per second.

  8. 1.8.

    National systems may not send requests to the TACHOnet hub at a rate exceeding 2 requests per second.

  9. 1.9.

    Every national system shall be able to cope with potential technical problems of the central hub or national systems in other parties. These include, but are not limited to:

    1. (a)

      loss of connection to the central hub;

    2. (b)

      no response to a request;

    3. (c)

      receipt of responses after message timeout;

    4. (d)

      receipt of unsolicited messages;

    5. (e)

      receipt of invalid messages.