diff --git a/net/api/src/main/java/org/onlab/onos/net/host/HostDescription.java b/net/api/src/main/java/org/onlab/onos/net/host/HostDescription.java
new file mode 100644
index 0000000..e3c67b9
--- /dev/null
+++ b/net/api/src/main/java/org/onlab/onos/net/host/HostDescription.java
@@ -0,0 +1,11 @@
+package org.onlab.onos.net.host;
+
+/**
+ * Information describing host and its location.
+ */
+public interface HostDescription {
+
+    // IP, MAC, VLAN-ID, HostLocation -> (ConnectionPoint + timestamp)
+
+}
+
diff --git a/net/api/src/main/java/org/onlab/onos/net/host/HostProvider.java b/net/api/src/main/java/org/onlab/onos/net/host/HostProvider.java
new file mode 100644
index 0000000..1ad2c65
--- /dev/null
+++ b/net/api/src/main/java/org/onlab/onos/net/host/HostProvider.java
@@ -0,0 +1,9 @@
+package org.onlab.onos.net.host;
+
+import org.onlab.onos.net.Provider;
+
+/**
+ * Provider of information about hosts and their location on the network.
+ */
+public interface HostProvider extends Provider {
+}
diff --git a/net/api/src/main/java/org/onlab/onos/net/host/HostProviderBroker.java b/net/api/src/main/java/org/onlab/onos/net/host/HostProviderBroker.java
new file mode 100644
index 0000000..427e54e
--- /dev/null
+++ b/net/api/src/main/java/org/onlab/onos/net/host/HostProviderBroker.java
@@ -0,0 +1,10 @@
+package org.onlab.onos.net.host;
+
+import org.onlab.onos.net.ProviderBroker;
+
+/**
+ * Abstraction of a host provider brokerage.
+ */
+public interface HostProviderBroker
+        extends ProviderBroker<HostProvider, HostProviderService> {
+}
diff --git a/net/api/src/main/java/org/onlab/onos/net/host/HostProviderService.java b/net/api/src/main/java/org/onlab/onos/net/host/HostProviderService.java
new file mode 100644
index 0000000..4d5d470
--- /dev/null
+++ b/net/api/src/main/java/org/onlab/onos/net/host/HostProviderService.java
@@ -0,0 +1,12 @@
+package org.onlab.onos.net.host;
+
+import org.onlab.onos.net.ProviderService;
+
+/**
+ * Means of conveying host information to the core.
+ */
+public interface HostProviderService extends ProviderService {
+
+    void hostDetected(HostDescription hostDescription);
+
+}