From 3d47ed023ecf1f310a7f080e61e99cd2397094bd Mon Sep 17 00:00:00 2001
From: Ingo Friese <ingo.friese@telekom.de>
Date: Wed, 22 Jan 2025 10:24:04 +0000
Subject: [PATCH] Update file TS-0041-oneM2M-SensorThings_interworking.md

---
 TS-0041-oneM2M-SensorThings_interworking.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TS-0041-oneM2M-SensorThings_interworking.md b/TS-0041-oneM2M-SensorThings_interworking.md
index a64dd60..2483fe6 100644
--- a/TS-0041-oneM2M-SensorThings_interworking.md
+++ b/TS-0041-oneM2M-SensorThings_interworking.md
@@ -167,7 +167,7 @@ The Sensing Entities data model and the purpose of data within the data model di
 
 Figure 6.0-1 shows an architecture approach for an Interworking Proxy Entity (IPE) between oneM2M and the OGC SensorThings API. The IPE is located between a oneM2M CSE and an OGC/SensorThings API (STA)-Server. 
 
-The basic interworking enables applications that are connected to an oneM2M-based system to get data from sensors that are connected to an OGC/STA server. Furthermore, an application that is connected to an OGC/STA server will be able to get data from sensors that are connected to an oneM2M-based system.
+The basic interworking enables applications that are connected to an oneM2M-based system to get data from sensors that are connected to an OGC/STA server. Furthermore, an application that is connected to an OGC/STA server will be able to get data from sensors that are connected to an oneM2M-based system. The communication flow of the IPE relies on HTTP and MQTT. The MQTT protocol enables publish-subscribe functionality for the OGC side, as specified in the MQTT extension of the SensorThings API <a href="#_ref_i.1">[i.1]</a>.
 
 ![Figure 6.0-1: IPE architecture overview](media/STA_oneM2M_architekturbild_01.svg)
 
-- 
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