1.  Introduction

During non-trading hours on weekends, Deutsche Börse provides Participants with the opportunity to test their connectivity to the T7 production environment. Following infrastructure maintenance on either the exchange and Participant side, Participants can access Connection Test Gateways and Enhanced Technical Market Data Heartbeats.

• The Connection Test Gateway processes allow Participants to send an http request to the IP address and port of T7 gateways (both ETI and FIX LF) and receive a response confirming connectivity.

• The Enhanced Market Data Technical Heartbeat messages are sent with a significantly larger payload and higher frequency allowing Participants to detect CRC errors on market data network connections.

Deutsche Börse regularly performs its network, hardware and software maintenance outside of trading hours and as a result, the availability of the Connection Test Gateway processes and Enhanced Market Data Technical Heartbeat messages may be affected.

To provide Participants with more reliable information on the availability of these services, Deutsche Börse will provide status information under the “interfaces” tab of the Service status webpage on the Deutsche Börse Group website www.deutsche-boerse.com under the link:

MARKETS & SERVICES > INFORMATION TECHNOLOGY > Service status

from 15 January 2025 onwards.

2.  Required action

No immediate action is required by Participants. Following any infrastructure changes outside of trading hours (e.g. weekends), Participants can refer to the information displayed on the Service status webpage to determine the availability of the Connect Test Gateways and Enhanced Market Data Technical Heartbeats from an exchange perspective.

3.  Details

The Service status webpage displays the status of each service on a "per market" basis (e.g. XETR). The status of each service will be displayed as "Available" (green status icon) together with the date/time it became available:

or as “Unavailable” (red status icon) together with the date/time when the service became unavailable:

In this case, Participants are requested to visit the website again later. Deutsche Börse will change the status of the service as soon as it becomes available again.

More information on the Connection Test Gateways and Enhanced Market Data Technical heartbeats can be found in the Network Access Guide, the ETI/FIX LF Interface Manuals, Market and Reference Data Interfaces Manual and Enhanced Order Book Interface Manual. All documents have been published on the Xetra website www.xetra.com under the following link:

Technology > T7 trading architecture > System documentation > Release 13.0

Further information