diff --git a/apps/cpman/app/src/main/java/org/onosproject/cpman/impl/DefaultSystemInfo.java b/apps/cpman/app/src/main/java/org/onosproject/cpman/impl/DefaultSystemInfo.java
new file mode 100644
index 0000000..e4a301b
--- /dev/null
+++ b/apps/cpman/app/src/main/java/org/onosproject/cpman/impl/DefaultSystemInfo.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.cpman.impl;
+
+import org.onosproject.cpman.SystemInfo;
+
+/**
+ * Implementation class of storing system specification.
+ */
+public final class DefaultSystemInfo implements SystemInfo {
+    private int numOfCores;
+    private int numOfCpus;
+    private int cpuSpeedMhz;
+    private int totalMemoryMbytes;
+
+    private DefaultSystemInfo(int numOfCores, int numOfCpus,
+                              int cpuSpeedMhz, int totalMemoryMbytes) {
+        this.numOfCores = numOfCores;
+        this.numOfCpus = numOfCpus;
+        this.cpuSpeedMhz = cpuSpeedMhz;
+        this.totalMemoryMbytes = totalMemoryMbytes;
+    }
+
+    @Override
+    public int coreCount() {
+        return this.numOfCores;
+    }
+
+    @Override
+    public int cpuCount() {
+        return this.numOfCpus;
+    }
+
+    @Override
+    public int cpuSpeed() {
+        return this.cpuSpeedMhz;
+    }
+
+    @Override
+    public int totalMemory() {
+        return this.totalMemoryMbytes;
+    }
+
+    /**
+     * ControlMetricsSystemSpec builder class.
+     */
+    public static final class Builder implements SystemInfo.Builder {
+        private int numOfCores;
+        private int numOfCpus;
+        private int cpuSpeedMHz;
+        private int totalMemoryBytes;
+
+        @Override
+        public SystemInfo.Builder numOfCores(int numOfCores) {
+            this.numOfCores = numOfCores;
+            return this;
+        }
+
+        @Override
+        public Builder numOfCpus(int numOfCpus) {
+            this.numOfCpus = numOfCpus;
+            return this;
+        }
+
+        @Override
+        public Builder cpuSpeed(int cpuSpeedMhz) {
+            this.cpuSpeedMHz = cpuSpeedMhz;
+            return this;
+        }
+
+        @Override
+        public Builder totalMemory(int totalMemoryBytes) {
+            this.totalMemoryBytes = totalMemoryBytes;
+            return this;
+        }
+
+        @Override
+        public DefaultSystemInfo build() {
+            return new DefaultSystemInfo(numOfCores, numOfCpus, cpuSpeedMHz, totalMemoryBytes);
+        }
+    }
+}