diff --git a/skywalking-registry/pom.xml b/skywalking-registry/pom.xml
new file mode 100644
index 000000000..ed3d24bcb
--- /dev/null
+++ b/skywalking-registry/pom.xml
@@ -0,0 +1,22 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>skywalking</artifactId>
+        <groupId>com.a.eye</groupId>
+        <version>2.0-2016</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>skywalking-registry</artifactId>
+    <packaging>jar</packaging>
+
+    <name>skywalking-registry</name>
+    <url>http://maven.apache.org</url>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+    </dependencies>
+</project>
diff --git a/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/NotifyListener.java b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/NotifyListener.java
new file mode 100644
index 000000000..d858e9895
--- /dev/null
+++ b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/NotifyListener.java
@@ -0,0 +1,7 @@
+package com.a.eye.skywalking.registry.api;
+
+import java.util.List;
+
+public interface NotifyListener {
+    void notify(List<RegistryData> data);
+}
diff --git a/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/Register.java b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/Register.java
new file mode 100644
index 000000000..55d2cb31c
--- /dev/null
+++ b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/Register.java
@@ -0,0 +1,12 @@
+package com.a.eye.skywalking.registry.api;
+
+/**
+ * Created by xin on 2016/11/9.
+ */
+public interface Register {
+
+    void subscribe(NotifyListener listener);
+
+    void unSubscribe();
+
+}
diff --git a/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/RegisterFactory.java b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/RegisterFactory.java
new file mode 100644
index 000000000..7ff311a07
--- /dev/null
+++ b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/RegisterFactory.java
@@ -0,0 +1,5 @@
+package com.a.eye.skywalking.registry.api;
+
+public interface RegisterFactory {
+    Register getRegister(String key);
+}
diff --git a/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/RegistryData.java b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/RegistryData.java
new file mode 100644
index 000000000..f201e019d
--- /dev/null
+++ b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/api/RegistryData.java
@@ -0,0 +1,15 @@
+package com.a.eye.skywalking.registry.api;
+
+/**
+ * Created by xin on 2016/11/9.
+ */
+public class RegistryData {
+
+    public String key() {
+        return null;
+    }
+
+    public String data() {
+        return null;
+    }
+}
diff --git a/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/impl/DefaultRegistry.java b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/impl/DefaultRegistry.java
new file mode 100644
index 000000000..05f05d371
--- /dev/null
+++ b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/impl/DefaultRegistry.java
@@ -0,0 +1,19 @@
+package com.a.eye.skywalking.registry.impl;
+
+import com.a.eye.skywalking.registry.api.NotifyListener;
+import com.a.eye.skywalking.registry.api.Register;
+
+/**
+ * Created by xin on 2016/11/9.
+ */
+public class DefaultRegistry implements Register {
+    @Override
+    public void subscribe(NotifyListener listener) {
+
+    }
+
+    @Override
+    public void unSubscribe() {
+
+    }
+}
diff --git a/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/impl/DefaultRegistryFactory.java b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/impl/DefaultRegistryFactory.java
new file mode 100644
index 000000000..0a1cb162c
--- /dev/null
+++ b/skywalking-registry/src/main/java/com/a/eye/skywalking/registry/impl/DefaultRegistryFactory.java
@@ -0,0 +1,14 @@
+package com.a.eye.skywalking.registry.impl;
+
+import com.a.eye.skywalking.registry.api.Register;
+import com.a.eye.skywalking.registry.api.RegisterFactory;
+
+/**
+ * Created by xin on 2016/11/9.
+ */
+public class DefaultRegistryFactory implements RegisterFactory {
+    @Override
+    public Register getRegister(String key) {
+        return null;
+    }
+}