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clarify resource warming docs in xds protocol #22377

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merged 10 commits into from
Aug 10, 2022
Merged

clarify resource warming docs in xds protocol #22377

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2b0b1a3
clarify resource warming docs in xds protocol
ramaraochavali Jul 23, 2022
4040109
fix format
ramaraochavali Jul 23, 2022
e207f6b
move to implementation notes
ramaraochavali Aug 9, 2022
0858246
fix doc
ramaraochavali Aug 9, 2022
ceaf541
fix doc
ramaraochavali Aug 9, 2022
a0c5cb1
fix comments
ramaraochavali Aug 9, 2022
eb2fdfd
fix minor comment
ramaraochavali Aug 9, 2022
a4a6bd8
split to bullets
ramaraochavali Aug 10, 2022
5ef74d6
format
ramaraochavali Aug 10, 2022
e7400fd
fix whitespace
ramaraochavali Aug 10, 2022
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12 changes: 12 additions & 0 deletions docs/root/api-docs/xds_protocol.rst
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Expand Up @@ -678,6 +678,18 @@ server does not provide EDS/RDS responses, Envoy will not initialize
itself during the initialization phase and the updates sent via CDS/LDS
will not take effect until EDS/RDS responses are supplied.

.. note::

Envoy specific implementation notes:

- Warming of ``Cluster`` is completed only when a new ``ClusterLoadAssignment``
response is supplied by management server even if there is no change in endpoints.
- Warming of ``Listener`` is completed even if management server does not send a
response for ``RouteConfiguration`` referenced by ``Listener``. Envoy will use the
previously sent ``RouteConfiguration`` to finish ``Listener`` warming. Management Server
has to send the ``RouteConfiguration`` response only if it has changed or it was never
sent in the past.

.. _xds_protocol_eventual_consistency_considerations:

Eventual consistency considerations
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