Added cubby-holes for new projects.
diff --git a/net/api/src/main/java/org/onlab/onos/net/ProviderBroker.java b/net/api/src/main/java/org/onlab/onos/net/ProviderBroker.java
new file mode 100644
index 0000000..63d7189
--- /dev/null
+++ b/net/api/src/main/java/org/onlab/onos/net/ProviderBroker.java
@@ -0,0 +1,27 @@
+package org.onlab.onos.net;
+
+/**
+ * Broker used for registering/unregistering information providers with the core.
+ *
+ * @param <T> type of the information provider
+ * @param <S> type of the provider service
+ */
+public interface ProviderBroker<T extends Provider, S extends ProviderService> {
+
+ /**
+ * Registers the supplied provider with the core.
+ *
+ * @param provider provider to be registered
+ * @return provider service for injecting information into core
+ */
+ S register(T provider);
+
+ /**
+ * Unregisters the supplied provider. As a result the previously issued
+ * provider service will be invalidated.
+ *
+ * @param provider provider to be unregistered
+ */
+ void unregister(T provider);
+
+}