Update 01-l3d.inc.md

specs/l3d/01-l3d.inc.md

@@ -6,6 +6,11 @@ This feature description is an update to DASH-IF Low-Latency extensions [[!IOP5-
 
 ## Scenarios and Motivation ## {#l3d:scenarios}
 
+In 2017, [DVB](https://www.dvb.org) and [DASH-IF](https://www.dashif.org) started to collaborate to address 
+Low-Latency DASH-based services. Initially, a joint group was formed that developed a report that was issued 
+by DVB/DASH-IF as _DASH-IF/DVB Report on Low-Latency Live Service with DASH_ [[!LL-REPORT]].
+
+
 ## Content Offering Requirements and Recommendations ## {#l3d:content-offering}