diff --git a/core/api/src/main/java/org/onosproject/net/meter/DefaultMeter.java b/core/api/src/main/java/org/onosproject/net/meter/DefaultMeter.java
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+++ b/core/api/src/main/java/org/onosproject/net/meter/DefaultMeter.java
@@ -0,0 +1,199 @@
+/*
+ * 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.net.meter;
+
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
+
+import java.util.Collection;
+import java.util.Collections;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * A default implementation of a meter.
+ */
+public final class DefaultMeter implements Meter, MeterEntry  {
+
+
+    private final MeterId id;
+    private final ApplicationId appId;
+    private final Unit unit;
+    private final boolean burst;
+    private final Collection<Band> bands;
+    private final DeviceId deviceId;
+
+    private MeterState state;
+    private long life;
+    private long refCount;
+    private long packets;
+    private long bytes;
+
+    private DefaultMeter(DeviceId deviceId, MeterId id, ApplicationId appId,
+                        Unit unit, boolean burst,
+                        Collection<Band> bands) {
+        this.deviceId = deviceId;
+        this.id = id;
+        this.appId = appId;
+        this.unit = unit;
+        this.burst = burst;
+        this.bands = bands;
+    }
+
+    @Override
+    public DeviceId deviceId() {
+        return deviceId;
+    }
+
+    @Override
+    public MeterId id() {
+        return id;
+    }
+
+    @Override
+    public ApplicationId appId() {
+        return appId;
+    }
+
+    @Override
+    public Unit unit() {
+        return unit;
+    }
+
+    @Override
+    public boolean isBurst() {
+        return burst;
+    }
+
+    @Override
+    public Collection<Band> bands() {
+        return bands;
+    }
+
+    @Override
+    public MeterState state() {
+        return state;
+    }
+
+    @Override
+    public long life() {
+        return life;
+    }
+
+    @Override
+    public long referenceCount() {
+        return refCount;
+    }
+
+    @Override
+    public long packetsSeen() {
+        return packets;
+    }
+
+    @Override
+    public long bytesSeen() {
+        return bytes;
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @Override
+    public void setState(MeterState state) {
+        this.state = state;
+    }
+
+    @Override
+    public void setLife(long life) {
+        this.life = life;
+    }
+
+    @Override
+    public void setReferenceCount(long count) {
+        this.refCount = count;
+    }
+
+    @Override
+    public void setProcessedPackets(long packets) {
+        this.packets = packets;
+    }
+
+    @Override
+    public void setProcessedBytes(long bytes) {
+        this.bytes = bytes;
+    }
+
+    public static final class Builder implements Meter.Builder {
+
+        private MeterId id;
+        private ApplicationId appId;
+        private Unit unit = Unit.KB_PER_SEC;
+        private boolean burst = false;
+        private Collection<Band> bands;
+        private DeviceId deviceId;
+
+
+        @Override
+        public Meter.Builder forDevice(DeviceId deviceId) {
+            this.deviceId = deviceId;
+            return this;
+        }
+
+        @Override
+        public Meter.Builder withId(long id) {
+            this.id = MeterId.meterId(id);
+            return this;
+        }
+
+        @Override
+        public Meter.Builder fromApp(ApplicationId appId) {
+            this.appId = appId;
+            return this;
+        }
+
+        @Override
+        public Meter.Builder withUnit(Unit unit) {
+            this.unit = unit;
+            return this;
+        }
+
+        @Override
+        public Meter.Builder burst() {
+            this.burst = true;
+            return this;
+        }
+
+        @Override
+        public Meter.Builder withBands(Collection<Band> bands) {
+            this.bands = Collections.unmodifiableCollection(bands);
+            return this;
+        }
+
+        @Override
+        public DefaultMeter build() {
+            checkNotNull(deviceId, "Must specify a device");
+            checkNotNull(bands, "Must have bands.");
+            checkArgument(bands.size() > 0, "Must have at least one band.");
+            checkNotNull(appId, "Must have an application id");
+            checkNotNull(id, "Must specify a meter id");
+            return new DefaultMeter(deviceId, id, appId, unit, burst, bands);
+        }
+
+
+    }
+}