Message brokers

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Contents

The production EGI Operations Message Broker Network (PROD MSG) is used in order to facilitate the message exchange between the operational tools of EGI. This broker network consists of 2 geographically separated brokers which are operated by 2 institutes: AUTH and SRCE.

Find the list of brokers

The list of the brokers that are connected to the PROD MSG Network is always available through the BDII information system. It is strongly advised that all producers and consumers that use the PROD MSG Network use the BDII in order to find the brokers that are part of the PROD MSG Network at any time.

In order not to inquire the BDII every time that a consumer or producer wants to use the PROD MSG Network, information can be cached. The cache must refresh its information at least every day.

Usage policy

The PROD MSG Network is used in order to facilitate the message exchange between the operational tools of EGI. If the operators of an operational tool, that is not part of the existing set of approved operational tools for the the PROD MSG Network (a table of approved tools follows), want to use the PROD MSG Network, then they have to apply by sending a request via GGUS. Please indicate in the ticket that it must be handed to the "Messaging SU".

In their request they have to provide the following information:

Usage of PROD MSG by other applications

The PROD MSG Network is a critical component for the operational requirements of the Infrastructure. Taking in mind that its capacity are not infinite, it is not advised that the PROD MSG Network is used for applications and tools outside of the operational tools of EGI. We envision that in the future, that the broker service will be yet another component of the UMD and that it will be possible to install it at the site, national and VO level opening the possibility for the creation of a number of service specific networks. Until then, application developers/operators can request for access to the PROD MSG Network and they will have to provide the same information as it is described above. Apart from this, we require the contact information of the operator of the application.

Operational tools using PROD MSG


Tool Description or URL Queues and Topics
ARGO ARGO
APEL APEL

Maintenance windows

The following maintenance windows are used for applying regular OS upgrades. All necessary precautions (switching off bdii services etc) are taken care of beforehand by the operations teams.


Hostname (network endpoint) Window
mq.cro-ngi.hr first Wednesday of each month (10:00 - 14:00 CET)
broker-prod1.argo.grnet.gr first Thursday of each month (10:00 - 14:00 CET)

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