diff --git a/ISSUES.md b/ISSUES.md
index adbba6c..6b05e3f 100644
--- a/ISSUES.md
+++ b/ISSUES.md
@@ -6,4 +6,6 @@
 
 - Potential race condition issue when multiple camera try to init with the same unconverted model.
 
+- Buffer Size for EACH CAMERA should be one, batch is for when processing multiple cameras, when new frame comes in, replace the old one at the old index if exist. This way the real time requirement is satisfied. We need a data structure to track this in addition to ring buffer tho.
+
 - Blurry asyncio archtecture, require documentations
\ No newline at end of file