diff --git a/core/common/src/main/java/org/onosproject/codec/impl/MetricCodec.java b/core/common/src/main/java/org/onosproject/codec/impl/MetricCodec.java
new file mode 100644
index 0000000..2f0b4d8
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+++ b/core/common/src/main/java/org/onosproject/codec/impl/MetricCodec.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2015 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.codec.impl;
+
+import com.codahale.metrics.Counter;
+import com.codahale.metrics.Gauge;
+import com.codahale.metrics.Meter;
+import com.codahale.metrics.Metric;
+import com.codahale.metrics.Histogram;
+import com.codahale.metrics.Timer;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Codec for the Metric class.
+ */
+public class MetricCodec extends JsonCodec<Metric> {
+
+    // JSON field names
+    private static final String COUNTER = "counter";
+
+    private static final String GAUGE = "gauge";
+    private static final String VALUE = "value";
+
+    private static final String METER = "meter";
+    private static final String MEAN_RATE = "mean_rate";
+    private static final String ONE_MIN_RATE = "1_min_rate";
+    private static final String FIVE_MIN_RATE = "5_min_rate";
+    private static final String FIFT_MIN_RATE = "15_min_rate";
+
+    private static final String HISTOGRAM = "histogram";
+    private static final String MIN = "min";
+    private static final String MAX = "max";
+    private static final String MEAN = "mean";
+    private static final String STDDEV = "stddev";
+
+    private static final String TIMER = "timer";
+
+    @Override
+    public ObjectNode encode(Metric metric, CodecContext context) {
+        checkNotNull(metric, "Metric cannot be null");
+
+        ObjectNode objectNode = context.mapper().createObjectNode();
+        ObjectNode dataNode = context.mapper().createObjectNode();
+
+        if (metric instanceof Counter) {
+            dataNode.put(COUNTER, ((Counter) metric).getCount());
+            objectNode.set(COUNTER, dataNode);
+        } else if (metric instanceof Gauge) {
+            objectNode.put(VALUE, ((Gauge) metric).getValue().toString());
+            objectNode.set(GAUGE, dataNode);
+        } else if (metric instanceof Meter) {
+            dataNode.put(COUNTER, ((Meter) metric).getCount());
+            dataNode.put(MEAN_RATE, ((Meter) metric).getMeanRate());
+            dataNode.put(ONE_MIN_RATE, ((Meter) metric).getOneMinuteRate());
+            dataNode.put(FIVE_MIN_RATE, ((Meter) metric).getFiveMinuteRate());
+            dataNode.put(FIFT_MIN_RATE, ((Meter) metric).getFifteenMinuteRate());
+            objectNode.set(METER, dataNode);
+        } else if (metric instanceof Histogram) {
+            dataNode.put(COUNTER, ((Histogram) metric).getCount());
+            dataNode.put(MEAN, ((Histogram) metric).getSnapshot().getMean());
+            dataNode.put(MIN, ((Histogram) metric).getSnapshot().getMin());
+            dataNode.put(MAX, ((Histogram) metric).getSnapshot().getMax());
+            dataNode.put(STDDEV, ((Histogram) metric).getSnapshot().getStdDev());
+            objectNode.set(HISTOGRAM, dataNode);
+        } else if (metric instanceof Timer) {
+            dataNode.put(COUNTER, ((Timer) metric).getCount());
+            dataNode.put(MEAN_RATE, ((Timer) metric).getMeanRate());
+            dataNode.put(ONE_MIN_RATE, ((Timer) metric).getOneMinuteRate());
+            dataNode.put(FIVE_MIN_RATE, ((Timer) metric).getFiveMinuteRate());
+            dataNode.put(FIFT_MIN_RATE, ((Timer) metric).getFifteenMinuteRate());
+            dataNode.put(MEAN, nanoToMs(((Timer) metric).getSnapshot().getMean()));
+            dataNode.put(MIN, nanoToMs(((Timer) metric).getSnapshot().getMin()));
+            dataNode.put(MAX, nanoToMs(((Timer) metric).getSnapshot().getMax()));
+            dataNode.put(STDDEV, nanoToMs(((Timer) metric).getSnapshot().getStdDev()));
+            objectNode.set(TIMER, dataNode);
+        }
+        return objectNode;
+    }
+
+    private double nanoToMs(double nano) {
+        return nano / 1_000_000D;
+    }
+}