.. py:currentmodule:: lsst.ts.sal

.. _lsst.ts.salobj:

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lsst.ts.sal
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`Service Abstraction Layer`_ (SAL) is LSST's communications middleware. Built on top of Object Management Group's Data Distribution Service (OMG DDS) standard. Developed by ADLINK's product called Vortex Opensplice. 

.. _Service Abstraction Layer: https://docushare.lsstcorp.org/docushare/dsweb/Get/Document-21527

.. toctree::
   :maxdepth: 2

   command_acknowledgement_codes