The DIM system used at CERN allows experiments to publish status parameters over the technical or general networks. This information is used in applications such as the OP Vistars.

Development

2015-04-05
Ran a DIP server on bl4sdaq
Hooked up the BL4S DIP server to the DNS
Subscribed to values using the DIP browser

Nomenclature

DIP
Data Interchange Protocol
DIM
Distributed Information Management - System of tools that implement DIP.
DNS
DIP Name Server - lookup server for DIP publishers to list themselves and DIP subscribers to locate publishers of interest.
See the DIP and DIM page on the Engineering department wiki.

Software

DIP Server

In the BL4S SVN repo: https://svnweb.cern.ch/cern/wsvn/bl4sextras/dip_server/ Server process publishes some example data via a fixed name server.

DIP Browser

DIP browser is a small java tool to connect to a DNS, list publishers and subscribe to variables on a publisher. It's included in the BL4S repo in the tools dir.

Webstart

javaws http://cern.ch/dipbrowser/launch.jnlp

DNS Server

Linux service acting as a directory to publish servers. Installation is described on the HowTo page.

Contacts

-- TimBrooks - 2015-04-05

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