diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/DefaultQosDescription.java b/core/api/src/main/java/org/onosproject/net/behaviour/DefaultQosDescription.java
new file mode 100644
index 0000000..39bd548
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/DefaultQosDescription.java
@@ -0,0 +1,180 @@
+/*
+ * Copyright 2017-present 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.behaviour;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.MoreObjects;
+import org.onlab.util.Bandwidth;
+import org.onosproject.net.AbstractDescription;
+import org.onosproject.net.SparseAnnotations;
+
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+
+/**
+ * Default implementation of Qos description entity.
+ */
+@Beta
+public final class DefaultQosDescription extends AbstractDescription
+        implements QosDescription {
+
+    private final QosId qosId;
+    private final Type type;
+    private final Optional<Bandwidth> maxRate;
+    private final Optional<Long> cir;
+    private final Optional<Long> cbs;
+    private final Optional<Map<Long, QueueDescription>> queues;
+
+    private DefaultQosDescription(QosId qosId, Type type, Optional<Bandwidth> maxRate,
+                                  Optional<Long> cir, Optional<Long> cbs,
+                                  Optional<Map<Long, QueueDescription>> queues,
+                                  SparseAnnotations... annotations) {
+        super(annotations);
+        this.qosId = checkNotNull(qosId);
+        this.type = checkNotNull(type);
+        this.maxRate = maxRate;
+        this.cir = cir;
+        this.cbs = cbs;
+        this.queues = queues;
+    }
+
+    @Override
+    public QosId qosId() {
+        return qosId;
+    }
+
+    @Override
+    public Type type() {
+        return type;
+    }
+
+    @Override
+    public Optional<Bandwidth> maxRate() {
+        return maxRate;
+    }
+
+    @Override
+    public Optional<Long> cir() {
+        return cir;
+    }
+
+    @Override
+    public Optional<Long> cbs() {
+        return cbs;
+    }
+
+    @Override
+    public Optional<Map<Long, QueueDescription>> queues() {
+        return queues;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(qosId, type, maxRate, cir, cbs, queues);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof DefaultQosDescription) {
+            final DefaultQosDescription other = (DefaultQosDescription) obj;
+            return Objects.equals(this.qosId, other.qosId) &&
+                    Objects.equals(this.type, other.type) &&
+                    Objects.equals(this.maxRate, other.maxRate) &&
+                    Objects.equals(this.cir, other.cir) &&
+                    Objects.equals(this.cbs, other.cbs) &&
+                    Objects.equals(this.queues, other.queues);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("qosId", qosId())
+                .add("type", type())
+                .add("maxRate", maxRate().orElse(null))
+                .add("cir", cir().orElse(0L))
+                .add("cbs", cbs().orElse(0L))
+                .add("queues", queues().orElse(null))
+                .toString();
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static final class Builder implements QosDescription.Builder {
+
+        private QosId qosId;
+        private Type type;
+        private Optional<Bandwidth> maxRate = Optional.empty();
+        private Optional<Long> cir = Optional.empty();
+        private Optional<Long> cbs = Optional.empty();
+        private Optional<Map<Long, QueueDescription>> queues = Optional.empty();
+
+        private Builder() {
+        }
+
+        @Override
+        public QosDescription build() {
+            return new DefaultQosDescription(qosId, type, maxRate, cir, cbs, queues);
+        }
+
+        @Override
+        public Builder qosId(QosId qosId) {
+            this.qosId = qosId;
+            return this;
+        }
+
+        @Override
+        public Builder type(Type type) {
+            this.type = type;
+            return this;
+        }
+
+        @Override
+        public Builder maxRate(Bandwidth maxRate) {
+            this.maxRate = Optional.ofNullable(maxRate);
+            return this;
+        }
+
+        @Override
+        public Builder cir(Long cir) {
+            this.cir = Optional.ofNullable(cir);
+            return this;
+        }
+
+        @Override
+        public Builder cbs(Long cbs) {
+            this.cbs = Optional.ofNullable(cbs);
+            return this;
+        }
+
+        @Override
+        public Builder queues(Map<Long, QueueDescription> queues) {
+            this.queues = Optional.ofNullable(queues);
+            return this;
+        }
+    }
+}
+
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/DefaultQueueDescription.java b/core/api/src/main/java/org/onosproject/net/behaviour/DefaultQueueDescription.java
new file mode 100644
index 0000000..400c2a5
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/DefaultQueueDescription.java
@@ -0,0 +1,202 @@
+/*
+ * Copyright 2017-present 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.behaviour;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.MoreObjects;
+import org.onlab.util.Bandwidth;
+import org.onosproject.net.AbstractDescription;
+import org.onosproject.net.SparseAnnotations;
+
+import java.util.EnumSet;
+import java.util.Objects;
+import java.util.Optional;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Default implementation of Queue description entity.
+ */
+@Beta
+public final class DefaultQueueDescription extends AbstractDescription
+        implements QueueDescription {
+
+    private final QueueId queueId;
+    private final Optional<Integer> dscp;
+    private final EnumSet<Type> type;
+    private final Optional<Bandwidth> maxRate;
+    private final Optional<Bandwidth> minRate;
+    private final Optional<Long> burst;
+    private final Optional<Long> priority;
+
+    public static final int MIN_DSCP = 0;
+    public static final int MAX_DSCP = 63;
+
+    private DefaultQueueDescription(QueueId queueId, Optional<Integer> dscp, EnumSet<Type> type,
+                                    Optional<Bandwidth> maxRate, Optional<Bandwidth> minRate,
+                                    Optional<Long> burst, Optional<Long> priority,
+                                    SparseAnnotations... annotations) {
+        super(annotations);
+        if (dscp.isPresent()) {
+            checkArgument(dscp.get() < MIN_DSCP || dscp.get() > MAX_DSCP, "dscp should be in range 0 to 63.");
+        }
+        this.queueId = checkNotNull(queueId);
+        this.dscp = dscp;
+        this.type = type;
+        this.maxRate = maxRate;
+        this.minRate = minRate;
+        this.burst = burst;
+        this.priority = priority;
+    }
+
+    @Override
+    public QueueId queueId() {
+        return queueId;
+    }
+
+    @Override
+    public EnumSet<Type> type() {
+        return type;
+    }
+
+    @Override
+    public Optional<Integer> dscp() {
+        return dscp;
+    }
+
+    @Override
+    public Optional<Bandwidth> maxRate() {
+        return maxRate;
+    }
+
+    @Override
+    public Optional<Bandwidth> minRate() {
+        return minRate;
+    }
+
+    @Override
+    public Optional<Long> burst() {
+        return burst;
+    }
+
+    @Override
+    public Optional<Long> priority() {
+        return priority;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(queueId, type, dscp, maxRate, minRate, burst, priority);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof DefaultQueueDescription) {
+            final DefaultQueueDescription other = (DefaultQueueDescription) obj;
+            return Objects.equals(this.queueId, other.queueId) &&
+                    Objects.equals(this.type, other.type) &&
+                    Objects.equals(this.dscp, other.dscp) &&
+                    Objects.equals(this.maxRate, other.maxRate) &&
+                    Objects.equals(this.minRate, other.minRate) &&
+                    Objects.equals(this.burst, other.burst) &&
+                    Objects.equals(this.priority, other.priority);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("name", queueId())
+                .add("type", type())
+                .add("dscp", dscp().orElse(0))
+                .add("maxRate", maxRate().orElse(null))
+                .add("minRate", minRate().orElse(null))
+                .add("burst", burst().orElse(0L))
+                .add("priority", priority().orElse(0L))
+                .toString();
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static final class Builder implements QueueDescription.Builder {
+
+        private QueueId queueId;
+        private Optional<Integer> dscp = Optional.empty();
+        private EnumSet<Type> type;
+        private Optional<Bandwidth> minRate = Optional.empty();
+        private Optional<Bandwidth> maxRate = Optional.empty();
+        private Optional<Long> burst = Optional.empty();
+        private Optional<Long> priority = Optional.empty();
+
+        private Builder() {
+        }
+
+        @Override
+        public QueueDescription build() {
+            return new DefaultQueueDescription(queueId, dscp, type,
+                    maxRate, minRate, burst, priority);
+        }
+
+        @Override
+        public Builder queueId(QueueId queueId) {
+            this.queueId = queueId;
+            return this;
+        }
+
+        @Override
+        public Builder dscp(Integer dscp) {
+            this.dscp = Optional.ofNullable(dscp);
+            return this;
+        }
+
+        @Override
+        public Builder type(EnumSet<Type> type) {
+            this.type = type;
+            return this;
+        }
+
+        @Override
+        public Builder maxRate(Bandwidth maxRate) {
+            this.maxRate = Optional.ofNullable(maxRate);
+            return this;
+        }
+
+        @Override
+        public Builder minRate(Bandwidth minRate) {
+            this.minRate = Optional.ofNullable(minRate);
+            return this;
+        }
+
+        @Override
+        public Builder burst(Long burst) {
+            this.burst = Optional.ofNullable(burst);
+            return this;
+        }
+
+        @Override
+        public Builder priority(Long priority) {
+            this.priority = Optional.ofNullable(priority);
+            return this;
+        }
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/PortConfig.java b/core/api/src/main/java/org/onosproject/net/behaviour/PortConfig.java
index e14d336..35130e8 100644
--- a/core/api/src/main/java/org/onosproject/net/behaviour/PortConfig.java
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/PortConfig.java
@@ -21,7 +21,9 @@
 
 /**
  * Means to configure a logical port at the device.
+ * @deprecated in Junco (1.9.1), use PortConfigBehaviour instead
  */
+@Deprecated
 public interface PortConfig extends HandlerBehaviour {
 
     /**
@@ -37,4 +39,4 @@
      */
     void removeQoS(PortDescription port);
 
-}
+}
\ No newline at end of file
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/PortConfigBehaviour.java b/core/api/src/main/java/org/onosproject/net/behaviour/PortConfigBehaviour.java
new file mode 100644
index 0000000..ebf11da
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/PortConfigBehaviour.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2015-present 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.behaviour;
+
+import com.google.common.annotations.Beta;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.PortDescription;
+import org.onosproject.net.driver.HandlerBehaviour;
+
+/**
+ * Means to configure a logical port at the device.
+ */
+@Beta
+public interface PortConfigBehaviour extends HandlerBehaviour {
+
+    /**
+     * Apply QoS configuration on a device.
+     * @param port a port description
+     * @param qosDesc qos description
+     */
+    void applyQoS(PortDescription port, QosDescription qosDesc);
+
+    /**
+     * Remove a QoS configuration.
+     * @param portNumber port identifier
+     */
+    void removeQoS(PortNumber portNumber);
+
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QosConfigBehaviour.java b/core/api/src/main/java/org/onosproject/net/behaviour/QosConfigBehaviour.java
new file mode 100644
index 0000000..178ff92
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QosConfigBehaviour.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2017-present 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.behaviour;
+import com.google.common.annotations.Beta;
+import org.onosproject.net.driver.HandlerBehaviour;
+
+import java.util.Collection;
+
+/**
+ * Behaviour for handling various operations for qos configurations.
+ */
+@Beta
+public interface QosConfigBehaviour extends HandlerBehaviour {
+
+    /**
+     * Obtain all qoses configured on a device.
+     *
+     * @return a set of qos descriptions
+     */
+    Collection<QosDescription> getQoses();
+
+    /**
+     * Obtain a qos configured on a device.
+     * @param qosDesc qos description
+     * @return a qos description
+     */
+    QosDescription getQos(QosDescription qosDesc);
+
+    /**
+     * create QoS configuration on a device.
+     * @param qosDesc qos description
+     * @return true if succeeds, or false
+     */
+    boolean addQoS(QosDescription qosDesc);
+
+    /**
+     * Delete a QoS configuration.
+     * @param qosId qos identifier
+     */
+    void deleteQoS(QosId qosId);
+}
\ No newline at end of file
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QosDescription.java b/core/api/src/main/java/org/onosproject/net/behaviour/QosDescription.java
new file mode 100644
index 0000000..53e34d0
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QosDescription.java
@@ -0,0 +1,174 @@
+/*
+ * Copyright 2017-present 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.behaviour;
+
+import com.google.common.annotations.Beta;
+import org.onlab.util.Bandwidth;
+import org.onosproject.net.Annotated;
+import org.onosproject.net.Description;
+
+import java.util.Map;
+import java.util.Optional;
+
+/**
+ * Default implementation of immutable Qos description.
+ */
+@Beta
+public interface QosDescription extends Description, Annotated {
+
+    /**
+     * Denotes the type of the Qos.
+     */
+    enum Type {
+        /**
+         * Corresponds to Hierarchy token bucket classifier.
+         */
+        HTB,
+
+        /**
+         * Corresponds to Hierarchical Fair Service Curve classifier.
+         */
+        HFSC,
+
+        /**
+         * Corresponds to Stochastic Fairness Queueing classifier.
+         */
+        SFQ,
+
+        /**
+         * Corresponds to Controlled Delay classifier classifier.
+         */
+        CODEL,
+
+        /**
+         * Corresponds to Fair Queuing with Controlled Delay classifier.
+         */
+        FQ_CODEL,
+
+        /**
+         * No operation.
+         */
+        NOOP,
+
+        /**
+         * DPDK egress policer.
+         */
+        EGRESS_POLICER
+    }
+
+    /**
+     * Returns qos identifier.
+     *
+     * @return qos identifier
+     */
+    QosId qosId();
+
+    /**
+     * Returns qos type.
+     *
+     * @return qos type
+     */
+    Type type();
+
+    /**
+     * Returns the max rate of qos, Valid only in specific qos type.
+     *
+     * @return Maximum rate shared by all queued traffic, in bit/s.
+     */
+    Optional<Bandwidth>  maxRate();
+
+    /**
+     * Returns Committed Information Rate of Qos, Valid only in specific qos type.
+     * the CIR is measured in bytes of IP packets per second.
+     *
+     * @return cir
+     */
+    Optional<Long> cir();
+
+    /**
+     * Returns Committed Burst Size of Qos, Valid only in specific qos type.
+     * the CBS is measured in bytes and represents a token bucket.
+     *
+     * @return cbs
+     */
+    Optional<Long> cbs();
+
+    /**
+     * Returns map of integer-Queue pairs, Valid only in specific qos type.
+     *
+     * @return queues
+     */
+    Optional<Map<Long, QueueDescription>> queues();
+
+    /**
+     * Builder of qos description entities.
+     */
+    interface Builder {
+        /**
+         * Returns qos description builder with a given name.
+         *
+         * @param qosId qos identifier
+         * @return bridge description builder
+         */
+        Builder qosId(QosId qosId);
+
+        /**
+         * Returns qos description builder with a given type.
+         *
+         * @param type qos type
+         * @return bridge description builder
+         */
+        Builder type(Type type);
+
+        /**
+         * Returns qos description builder with given maxRate.
+         *
+         * @param maxRate qos max rate
+         * @return qos description builder
+         */
+        Builder maxRate(Bandwidth maxRate);
+
+        /**
+         * Returns qos description builder with a given cir.
+         * @param cir in bytes of IP packets per second
+         * @return qos description builder
+         */
+        Builder cir(Long cir);
+
+        /**
+         * Returns qos description builder with a given cbs.
+         *
+         * @param cbs in bytes and represents a token bucket
+         * @return qos description builder
+         */
+        Builder cbs(Long cbs);
+
+        /**
+         * Returns qos description builder with a given queues.
+         *
+         * @param queues the map from queue numbers to Queue records
+         * @return qos description builder
+         */
+        Builder queues(Map<Long, QueueDescription> queues);
+
+        /**
+         * Builds an immutable qos description.
+         *
+         * @return qos description
+         */
+        QosDescription build();
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QosId.java b/core/api/src/main/java/org/onosproject/net/behaviour/QosId.java
new file mode 100644
index 0000000..db98970
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QosId.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2017-present 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.behaviour;
+
+import com.google.common.annotations.Beta;
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Immutable representation of a Qos identity.
+ */
+@Beta
+public final class QosId {
+
+    private final String name;
+
+    private QosId(String name) {
+        this.name = checkNotNull(name);
+    }
+
+    public static QosId qosId(String name) {
+        return new QosId(name);
+    }
+
+    public String name() {
+        return name;
+    }
+
+    @Override
+    public int hashCode() {
+        return name.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof QosId) {
+            final QosId that = (QosId) obj;
+            return this.getClass() == that.getClass() &&
+                    Objects.equals(this.name, that.name);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return name;
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QueueConfig.java b/core/api/src/main/java/org/onosproject/net/behaviour/QueueConfig.java
index 1a44110..d5f6aaa 100644
--- a/core/api/src/main/java/org/onosproject/net/behaviour/QueueConfig.java
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QueueConfig.java
@@ -21,7 +21,9 @@
 
 /**
  * Means to alter a device's dataplane queues.
+ * @deprecated in Junco (1.9.1), use QueueConfigBehaviour instead
  */
+@Deprecated
 public interface QueueConfig {
 
     /**
@@ -53,4 +55,4 @@
      */
     void removeQueue(UnsignedInteger queueId);
 
-}
+}
\ No newline at end of file
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QueueConfigBehaviour.java b/core/api/src/main/java/org/onosproject/net/behaviour/QueueConfigBehaviour.java
new file mode 100644
index 0000000..4a48ce2
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QueueConfigBehaviour.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2015-present 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.behaviour;
+
+import com.google.common.annotations.Beta;
+import org.onosproject.net.driver.HandlerBehaviour;
+
+import java.util.Collection;
+
+/**
+ * Behaviour for handling various operations for queue configurations.
+ */
+@Beta
+public interface QueueConfigBehaviour extends HandlerBehaviour {
+
+    /**
+     * Obtain all queues configured on a device.
+     *
+     * @return a list of queue descriptions
+     */
+    Collection<QueueDescription> getQueues();
+
+    /**
+     * Obtain a queue configured on a device.
+     * @param queueDesc queue description
+     * @return a queue description
+     */
+    QueueDescription getQueue(QueueDescription queueDesc);
+
+    /**
+     * Create a queue to a device.
+     * @param queueDesc a queue description
+     * @return true if succeeds, or false
+     */
+    boolean addQueue(QueueDescription queueDesc);
+
+    /**
+     * Delete a queue from a device.
+     * @param queueId queue identifier
+     */
+    void deleteQueue(QueueId queueId);
+}
\ No newline at end of file
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QueueDescription.java b/core/api/src/main/java/org/onosproject/net/behaviour/QueueDescription.java
new file mode 100644
index 0000000..43cb0a0
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QueueDescription.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright 2017-present 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.behaviour;
+
+import com.google.common.annotations.Beta;
+import org.onlab.util.Bandwidth;
+import org.onosproject.net.Annotated;
+import org.onosproject.net.Description;
+
+import java.util.EnumSet;
+import java.util.Optional;
+
+/**
+ * Default implementation of immutable Queue description.
+ */
+@Beta
+public interface QueueDescription extends Description, Annotated {
+
+    /**
+     * Denotes the type of the Queue.
+     */
+    enum Type {
+        /**
+         * Support min rate.
+         */
+        MIN,
+
+        /**
+         * Support max rate.
+         */
+        MAX,
+
+        /**
+         * Support priority.
+         */
+        PRIORITY,
+
+        /**
+         * Support burst.
+         */
+        BURST
+    }
+
+    /**
+     * Returns queue identifier.
+     *
+     * @return queue identifier
+     */
+    QueueId queueId();
+
+    /**
+     * Returns dscp in range 0 to 63.
+     *
+     * @return dscp
+     */
+    Optional<Integer> dscp();
+
+    /**
+     * Returns type.
+     *
+     * @return type
+     */
+    EnumSet<Type> type();
+
+    /**
+     * Returns max rate, Valid only in specific type.
+     *
+     * @return Maximum allowed bandwidth, in bit/s.
+     */
+    Optional<Bandwidth> maxRate();
+
+    /**
+     * Returns min rate, Valid only in specific type.
+     *
+     * @return Minimum guaranteed bandwidth, in bit/s.
+     */
+    Optional<Bandwidth> minRate();
+
+    /**
+     * Returns burst, Valid only in specific type.
+     *
+     * @return Burst size, in bits
+     */
+    Optional<Long> burst();
+
+    /**
+     * Returns priority, Valid only in specific type.
+     * small number have higher priority, in range 0 to 0xFFFFFFFF
+     * @return priority
+     */
+    Optional<Long> priority();
+
+
+
+    interface Builder {
+
+        /**
+         * Returns queue description builder with given name.
+         *
+         * @param queueId queue identifier
+         * @return queue description builder
+         */
+        Builder queueId(QueueId queueId);
+
+        /**
+         * Returns queue description builder with given dscp.
+         *
+         * @param dscp dscp
+         * @return queue description builder
+         */
+        Builder dscp(Integer dscp);
+
+        /**
+         * Returns queue description builder with given type.
+         *
+         * @param type type
+         * @return queue description builder
+         */
+        Builder type(EnumSet<Type> type);
+
+        /**
+         * Returns queue description builder with max rate.
+         * @param maxRate Maximum allowed bandwidth
+         * @return queue description builder
+         */
+        Builder maxRate(Bandwidth maxRate);
+
+        /**
+         * Returns queue description builder with a given min rate.
+         *
+         * @param minRate Minimum guaranteed bandwidth
+         * @return queue description builder
+         */
+        Builder minRate(Bandwidth minRate);
+
+        /**
+         * Returns queue description builder with a given burst.
+         *
+         * @param burst burst size
+         * @return queue description builder
+         */
+        Builder burst(Long burst);
+
+        /**
+         * Returns queue description builder with a given priority.
+         * small number have higher priority, in range 0 to 0xFFFFFFFF
+         * @param priority priority
+         * @return queue description builder
+         */
+        Builder priority(Long priority);
+
+        /**
+         * Builds an immutable bridge description.
+         *
+         * @return queue description
+         */
+        QueueDescription build();
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QueueId.java b/core/api/src/main/java/org/onosproject/net/behaviour/QueueId.java
new file mode 100644
index 0000000..61e5dfd
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QueueId.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2017-present 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.behaviour;
+
+import com.google.common.annotations.Beta;
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Immutable representation of a Queue identity.
+ */
+@Beta
+public final class QueueId {
+    private final String name;
+
+    private QueueId(String name) {
+        this.name = checkNotNull(name);
+    }
+
+    public static QueueId queueId(String name) {
+        return new QueueId(name);
+    }
+
+    public String name() {
+        return name;
+    }
+
+    @Override
+    public int hashCode() {
+        return name.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof QueueId) {
+            final QueueId that = (QueueId) obj;
+            return this.getClass() == that.getClass() &&
+                    Objects.equals(this.name, that.name);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return name;
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/QueueInfo.java b/core/api/src/main/java/org/onosproject/net/behaviour/QueueInfo.java
index 116ac7c..7758896 100644
--- a/core/api/src/main/java/org/onosproject/net/behaviour/QueueInfo.java
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/QueueInfo.java
@@ -18,8 +18,10 @@
 import com.google.common.primitives.UnsignedInteger;
 
 /**
- * Represents a dataplane queue.
+ * @deprecated in Junco Release (1.9.1), Use QueueDescription instead
+ * {@link org.onosproject.net.behaviour.QueueDescription}
  */
+@Deprecated
 public class QueueInfo {
 
     public enum Type {