diff --git a/algorithm.py b/algorithm.py
index ba70312..9c6368d 100644
--- a/algorithm.py
+++ b/algorithm.py
@@ -8,9 +8,11 @@ else
 	cache_niet
 
 
-def cache_niet:
+def cache_niet():
 	//TODO les, implement
 
-def cache_wel:
+def cache_wel():
 	//TODO les, implement
 
+def connected(endpoint, cache):
+	return cache in endpointCacheLatencies[endpoint].keys()