diff --git a/doc/source/contributor/architecture.rst b/doc/source/contributor/architecture.rst
index 92565e4b4c..249208675d 100644
--- a/doc/source/contributor/architecture.rst
+++ b/doc/source/contributor/architecture.rst
@@ -193,6 +193,9 @@ Currently, processed data can be published using 7 different transports:
 3. udp, which publishes samples using UDP packets;
 4. http, which targets a REST interface;
 5. file, which publishes samples to a file with specified name and location;
+6. zaqar, a multi-tenant cloud messaging and notification service for web and
+   mobile developers;
+7. https, which is http over SSL and targets a REST interface.
 
 
 Storing/Accessing the data