home.md

@@ -7,6 +7,7 @@ This is the home of LIGO's Next Generation Data Delivery (NGDD) project, the aim
 ## talks and presentations
 
 - [The next generation of low-latency data distribution and stream processing for LIGO](https://dcc.ligo.org/LIGO-G2200571)
+- [NGDD architecture overview](https://docs.google.com/presentation/d/1ItEeNtkLCAzxBYc-dLtPY35C1EBXQwQBV2LmgEPn2LI/edit?usp=sharing)
 - [NGDD serialization overview](https://docs.google.com/presentation/d/1OGFqV7TBqMlqXr9I_JoOokDyZGW6KcC_REuoMjg22Eg/edit?usp=sharing)
 
 ## development