diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/trafficcontrol/DefaultPolicer.java b/core/api/src/main/java/org/onosproject/net/behaviour/trafficcontrol/DefaultPolicer.java
new file mode 100644
index 0000000..d375f9d
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/trafficcontrol/DefaultPolicer.java
@@ -0,0 +1,260 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.behaviour.trafficcontrol;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.Objects;
+import com.google.common.collect.ImmutableSet;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
+
+import java.util.Collection;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Default implementation of the policer interface.
+ */
+@Beta
+public final class DefaultPolicer implements Policer, PolicerEntry {
+
+    // Immutable parameters
+    private final DeviceId deviceId;
+    private final ApplicationId applicationId;
+    private final PolicerId policerId;
+    private final boolean colorAware;
+    private final Unit unit;
+    private final Collection<TokenBucket> tokenBuckets;
+    private final String description;
+
+    // Mutable parameters
+    private long referenceCount;
+    private long processedPackets;
+    private long processedBytes;
+    private long life;
+
+    private DefaultPolicer(DeviceId dId, ApplicationId aId, PolicerId pId,
+                           boolean cA, Unit u, Collection<TokenBucket> tB,
+                           String d) {
+        deviceId = dId;
+        applicationId = aId;
+        policerId = pId;
+        colorAware = cA;
+        unit = u;
+        tokenBuckets = tB;
+        description = d;
+    }
+
+    @Override
+    public DeviceId deviceId() {
+        return deviceId;
+    }
+
+    @Override
+    public ApplicationId applicationId() {
+        return applicationId;
+    }
+
+    @Override
+    public PolicerId policerId() {
+        return policerId;
+    }
+
+    @Override
+    public boolean isColorAware() {
+        return colorAware;
+    }
+
+    @Override
+    public Unit unit() {
+        return unit;
+    }
+
+    @Override
+    public Collection<TokenBucket> tokenBuckets() {
+        return tokenBuckets;
+    }
+
+    @Override
+    public String description() {
+        return description;
+    }
+
+    @Override
+    public long referenceCount() {
+        return referenceCount;
+    }
+
+    @Override
+    public void setReferenceCount(long count) {
+        referenceCount = count;
+    }
+
+    @Override
+    public long processedPackets() {
+        return processedPackets;
+    }
+
+    @Override
+    public void setProcessedPackets(long packets) {
+        processedPackets = packets;
+    }
+
+    @Override
+    public long processedBytes() {
+        return processedBytes;
+    }
+
+    @Override
+    public void setProcessedBytes(long bytes) {
+        processedBytes = bytes;
+    }
+
+    @Override
+    public long life() {
+        return life;
+    }
+
+    @Override
+    public void setLife(long l) {
+        life = l;
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this)
+                .add("appId", applicationId())
+                .add("id", policerId())
+                .add("isColorAware", isColorAware())
+                .add("unit", unit())
+                .add("tokenBuckets", tokenBuckets())
+                .add("description", description())
+                .toString();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        DefaultPolicer that = (DefaultPolicer) o;
+        return Objects.equal(policerId, that.policerId);
+    }
+
+    @Override
+    public int hashCode() {
+        return policerId.hashCode();
+    }
+
+    /**
+     * Returns a new builder reference.
+     *
+     * @return a new builder
+     */
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    /**
+     * Implementation of the policer builder interface.
+     */
+    public static final class Builder implements Policer.Builder {
+
+        private DeviceId deviceId;
+        private ApplicationId applicationId;
+        private PolicerId policerId;
+        // Default to unaware
+        private boolean colorAware = false;
+        // Default to MBps
+        private Unit unit = Unit.MB_PER_SEC;
+        private Collection<TokenBucket> tokenBuckets;
+        private String description = "";
+
+        @Override
+        public Policer.Builder forDeviceId(DeviceId dId) {
+            deviceId = dId;
+            return this;
+        }
+
+        @Override
+        public Policer.Builder fromApp(ApplicationId appId) {
+            applicationId = appId;
+            return this;
+        }
+
+        @Override
+        public Policer.Builder withId(PolicerId id) {
+            policerId = id;
+            return this;
+        }
+
+        @Override
+        public Policer.Builder colorAware(boolean isColorAware) {
+            colorAware = isColorAware;
+            return this;
+        }
+
+        @Override
+        public Policer.Builder withUnit(Unit u) {
+            unit = u;
+            return this;
+        }
+
+        @Override
+        public Policer.Builder withPolicingResource(PolicingResource policingResource) {
+            policerId = policingResource.policerId();
+            deviceId = policingResource.connectPoint().deviceId();
+            return this;
+        }
+
+        @Override
+        public Policer.Builder withTokenBuckets(Collection<TokenBucket> tB) {
+            tokenBuckets = ImmutableSet.copyOf(tB);
+            return this;
+        }
+
+       @Override
+       public Policer.Builder withDescription(String d) {
+           description = d;
+           return this;
+       }
+
+        @Override
+        public DefaultPolicer build() {
+            // Not null condition on some mandatory parameters
+            checkNotNull(deviceId, "Must specify a deviceId");
+            checkNotNull(applicationId, "Must specify an application id");
+            checkNotNull(policerId, "Must specify a policer id");
+            checkNotNull(unit, "Must specify a unit for the policer");
+            checkNotNull(tokenBuckets, "Must have token buckets");
+            checkNotNull(description, "Must have a description");
+
+            // Verify argument conditions
+            checkArgument(!tokenBuckets.isEmpty(), "Must have at least one token bucket");
+
+            // Finally we build the policer
+            return new DefaultPolicer(deviceId, applicationId, policerId,
+                                      colorAware, unit, tokenBuckets,
+                                      description);
+        }
+    }
+}