diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntDeviceConfig.java b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntDeviceConfig.java
new file mode 100644
index 0000000..c77b7bd
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntDeviceConfig.java
@@ -0,0 +1,263 @@
+/*
+ * Copyright 2015-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.inbandtelemetry;
+
+import com.google.common.annotations.Beta;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.TpPort;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Device-level configuration of the INT process.
+ */
+@Beta
+public final class IntDeviceConfig {
+    /**
+     * Represents a type of telemetry spec to collect in the dataplane.
+     */
+    public enum TelemetrySpec {
+        /**
+         * Embeds telemetry metadata according to the INT specification.
+         *
+         * @see <a href="https://github.com/p4lang/p4-applications/blob/master/docs/INT.pdf">
+         *     INT sepcification</a>
+         */
+        INT,
+        /**
+         * Embeds telemetry metadata according to the OAM specification.
+         *
+         * @see <a href="https://tools.ietf.org/html/draft-ietf-ippm-ioam-data">
+         *     Data fields for In-situ OAM</a>
+         */
+        IOAM
+    }
+
+    private final IpAddress collectorIp;
+    private final TpPort collectorPort;
+    private final MacAddress collectorNextHopMac;
+    private final IpAddress sinkIp;
+    private final MacAddress sinkMac;
+    private final TelemetrySpec spec;
+    private boolean enabled;
+
+    private IntDeviceConfig(IpAddress collectorIp, TpPort collectorPort, MacAddress collectorNextHopMac,
+                            IpAddress sinkIp, MacAddress sinkMac, TelemetrySpec spec, boolean enabled) {
+        this.collectorIp = collectorIp;
+        this.collectorPort = collectorPort;
+        this.collectorNextHopMac = collectorNextHopMac;
+        this.sinkIp = sinkIp;
+        this.sinkMac = sinkMac;
+        this.spec = spec;
+        this.enabled = enabled;
+    }
+
+    /**
+     * Returns IP address of the collector.
+     * This is the destination IP address that will be used for all INT reports
+     * generated by all sink devices.
+     *
+     * @return collector IP address
+     */
+    public IpAddress collectorIp() {
+        return collectorIp;
+    }
+
+    /**
+     * Returns UDP port number of the collector.
+     * This is the destination UDP port number that will be used for all INT reports
+     * generated by all sink devices.
+     *
+     * @return collector UDP port number
+     */
+    public TpPort collectorPort() {
+        return collectorPort;
+    }
+
+    /**
+     * Returns MAC address of next hop of INT report packets.
+     * This can be either MAC address of the collector or a router.
+     * This is an optional parameter, which means that the usage of this
+     * parameter depends on IntProgrammable implementation.
+     * (e.g., If a report packet needs to be routed to reach the collector,
+     * IntProgrammable will ignore this value and choose next hop router's MAC address.
+     * If a collector itself is the next hop of INT report packets, then
+     * this value will be used as a destination MAC address for all INT report packets.)
+     *
+     * @return MAC address of next hop of INT report packets
+     */
+    public MacAddress collectorNextHopMac() {
+        return collectorNextHopMac;
+    }
+
+    /**
+     * Returns IP address of the sink device.
+     * All sink devices share this address as the source IP address
+     * for all INT reports.
+     *
+     * @return sink device's IP address
+     */
+    public IpAddress sinkIp() {
+        return sinkIp;
+    }
+
+    /**
+     * Returns MAC address of the sink device.
+     * All sink devices share this address as the source MAC address
+     * for all INT reports.
+     *
+     * @return sink device's MAC address
+     */
+    public MacAddress sinkMac() {
+        return sinkMac;
+    }
+
+    /**
+     * Returns the type of telemetry spec as per {@link TelemetrySpec}.
+     *
+     * @return telemetry spec
+     */
+    public TelemetrySpec spec() {
+        return spec;
+    }
+
+    /**
+     * Returns the status of INT functionality.
+     *
+     * @return true if INT is enabled; false otherwise.
+     */
+    public boolean enabled() {
+        return enabled;
+    }
+
+    /**
+     * Returns a new builder.
+     *
+     * @return new builder
+     */
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    /**
+     * An IntConfig object builder.
+     */
+    public static final class Builder {
+
+        private IpAddress collectorIp;
+        private TpPort collectorPort;
+        private MacAddress collectorNextHopMac;
+        private IpAddress sinkIp;
+        private MacAddress sinkMac;
+        private TelemetrySpec spec = TelemetrySpec.INT;
+        private boolean enabled = false;
+
+        /**
+         * Assigns a collector IP address to the IntConfig object.
+         *
+         * @param collectorIp IP address of the collector
+         * @return an IntConfig builder
+         */
+        public IntDeviceConfig.Builder withCollectorIp(IpAddress collectorIp) {
+            this.collectorIp = collectorIp;
+            return this;
+        }
+
+        /**
+         * Assigns a collector UDP port to the IntConfig object.
+         *
+         * @param collectorPort UDP port number of the collector
+         * @return an IntConfig builder
+         */
+        public IntDeviceConfig.Builder withCollectorPort(TpPort collectorPort) {
+            this.collectorPort = collectorPort;
+            return this;
+        }
+
+        /**
+         * Assigns a MAC address of the next hop to the collector
+         * to the IntConfig object.
+         *
+         * @param collectorNextHopMac MAC address of the collector
+         * @return an IntConfig builder
+         */
+        public IntDeviceConfig.Builder withCollectorNextHopMac(MacAddress collectorNextHopMac) {
+            this.collectorNextHopMac = collectorNextHopMac;
+            return this;
+        }
+
+        /**
+         * Assigns an IP address of the sink device to the IntConfig object.
+         *
+         * @param sinkIp sink device's IP address
+         * @return an IntConfig builder
+         */
+        public IntDeviceConfig.Builder withSinkIp(IpAddress sinkIp) {
+            this.sinkIp = sinkIp;
+            return this;
+        }
+
+        /**
+         * Assigns a MAC address of the sink device to the IntConfig object.
+         *
+         * @param sinkMac sink device's MAC address
+         * @return an IntConfig builder
+         */
+        public IntDeviceConfig.Builder withSinkMac(MacAddress sinkMac) {
+            this.sinkMac = sinkMac;
+            return this;
+        }
+
+        /**
+         * Assigns the type of telemetry spec to the IntConfig object.
+         *
+         * @param spec telemetry spec
+         * @return an IntConfig builder
+         */
+        public IntDeviceConfig.Builder withTelemetrySpec(TelemetrySpec spec) {
+            this.spec = spec;
+            return this;
+        }
+
+        /**
+         * Assigns the status of INT.
+         * True to enable INT functionality, false otherwise.
+         *
+         * @param enabled the status of INT
+         * @return an IntConfig builder
+         */
+        public IntDeviceConfig.Builder enabled(boolean enabled) {
+            this.enabled = enabled;
+            return this;
+        }
+
+        /**
+         * Builds the IntConfig object.
+         *
+         * @return an IntConfig object
+         */
+        public IntDeviceConfig build() {
+            checkNotNull(collectorIp, "Collector IP should be specified.");
+            checkNotNull(collectorPort, "Collector port number should be specified.");
+            checkNotNull(collectorNextHopMac, "Next hop MAC address for report packets should be provided.");
+            checkNotNull(sinkIp, "Sink IP address for report packets should be specified.");
+            checkNotNull(sinkMac, "Sink MAC address for report packets should be specified.");
+            return new IntDeviceConfig(collectorIp, collectorPort, collectorNextHopMac,
+                                 sinkIp, sinkMac, spec, enabled);
+        }
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntMetadataType.java b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntMetadataType.java
new file mode 100644
index 0000000..fec5a17
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntMetadataType.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2020-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.inbandtelemetry;
+
+/**
+ * Represents a type of INT metadata.
+ */
+public enum IntMetadataType {
+    /**
+     * ID of a switch, unique in the scope of the whole network.
+     */
+    SWITCH_ID,
+    /**
+     * The port on which the INT packet was received and sent out.
+     */
+    L1_PORT_ID,
+    /**
+     * Time taken for the INT packet to be switched within the device.
+     */
+    HOP_LATENCY,
+    /**
+     * The build-up of traffic in the queue that the INT packet observes
+     * in the device while being forwarded.
+     */
+    QUEUE_OCCUPANCY,
+    /**
+     * The device local time when the INT packet was received on the ingress port.
+     */
+    INGRESS_TIMESTAMP,
+    /**
+     * The device local time when the INT packet was processed by the egress port.
+     */
+    EGRESS_TIMESTAMP,
+    /**
+     * The logical ports on which the INT packet was received and sent out.
+     */
+    L2_PORT_ID,
+    /**
+     * Current utilization of the egress port via witch the INT packet was sent out.
+     */
+    EGRESS_TX_UTIL
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntObjective.java b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntObjective.java
new file mode 100644
index 0000000..b73e9c2
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntObjective.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2018-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.inbandtelemetry;
+
+import com.google.common.collect.ImmutableSet;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.TrafficSelector;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+/**
+ * Represents a device-level objective to collect INT metadata for packets
+ * identified by a traffic selector.
+ */
+public final class IntObjective {
+
+    private static final int DEFAULT_PRIORITY = 10;
+
+    // TrafficSelector to describe target flows to monitor
+    private final TrafficSelector selector;
+    // Set of metadata types to collect
+    private final ImmutableSet<IntMetadataType> metadataTypes;
+
+    /**
+     * Creates an IntObjective.
+     *
+     * @param selector      the traffic selector that identifies traffic to enable INT
+     * @param metadataTypes a set of metadata types to collect
+     */
+    private IntObjective(TrafficSelector selector, Set<IntMetadataType> metadataTypes) {
+        this.selector = selector;
+        this.metadataTypes = ImmutableSet.copyOf(metadataTypes);
+    }
+
+    /**
+     * Returns traffic selector of this objective.
+     *
+     * @return traffic selector
+     */
+    public TrafficSelector selector() {
+        return selector;
+    }
+
+    /**
+     * Returns a set of metadata types specified in this objective.
+     *
+     * @return instruction bitmap
+     */
+    public Set<IntMetadataType> metadataTypes() {
+        return metadataTypes;
+    }
+
+    /**
+     * An IntObjective builder.
+     */
+    public static final class Builder {
+        private TrafficSelector selector = DefaultTrafficSelector.emptySelector();
+        private final Set<IntMetadataType> metadataTypes = new HashSet<>();
+
+        /**
+         * Assigns a selector to the IntObjective.
+         *
+         * @param selector a traffic selector
+         * @return an IntObjective builder
+         */
+        public IntObjective.Builder withSelector(TrafficSelector selector) {
+            this.selector = selector;
+            return this;
+        }
+
+        /**
+         * Add a metadata type to the IntObjective.
+         *
+         * @param metadataTypes a set of metadata types
+         * @return an IntObjective builder
+         */
+        public IntObjective.Builder withMetadataTypes(Set<IntMetadataType> metadataTypes) {
+            this.metadataTypes.addAll(metadataTypes);
+            return this;
+        }
+
+        /**
+         * Builds the IntObjective.
+         *
+         * @return an IntObjective
+         */
+        public IntObjective build() {
+            checkArgument(!selector.criteria().isEmpty(), "Empty selector cannot match any flow.");
+            checkArgument(!metadataTypes.isEmpty(), "Metadata types cannot be empty");
+
+            return new IntObjective(selector, metadataTypes);
+        }
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntProgrammable.java b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntProgrammable.java
new file mode 100644
index 0000000..5560e8c
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/IntProgrammable.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2018-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.inbandtelemetry;
+
+import com.google.common.annotations.Beta;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.driver.HandlerBehaviour;
+
+/**
+ * Abstraction of a device implementing In-band Network Telemetry (INT)
+ * capabilities.
+ */
+@Beta
+public interface IntProgrammable extends HandlerBehaviour {
+
+    /**
+     * INT functionalities that a device can implement.
+     */
+    enum IntFunctionality {
+        /**
+         * Source functionality.
+         */
+        SOURCE,
+        /**
+         * Sink functionality.
+         */
+        SINK,
+        /**
+         * Transit functionality.
+         */
+        TRANSIT
+    }
+
+    /**
+     * Initializes the pipeline, by installing required flow rules not relevant
+     * to specific watchlist, report and event. Returns true if the operation
+     * was successful, false otherwise.
+     *
+     * @return true if successful, false otherwise
+     */
+    boolean init();
+
+    /**
+     * Configures the given port as an INT source port. Packets received via
+     * this port can be modified to add the INT header, if a corresponding INT
+     * objective is matched. Returns true if the operation was successful, false
+     * otherwise.
+     *
+     * @param port port
+     * @return true if successful, false otherwise
+     */
+    boolean setSourcePort(PortNumber port);
+
+    /**
+     * Configures the given port as an INT sink port. Packets forwarded via this
+     * port will be stripped of the INT header and a corresponding INT report
+     * will be generated. Returns true if the operation was successful, false
+     * otherwise.
+     *
+     * @param port port
+     * @return true if successful, false otherwise
+     */
+    boolean setSinkPort(PortNumber port);
+
+    /**
+     * Adds a given IntObjective to the device.
+     *
+     * @param obj an IntObjective
+     * @return true if the objective was successfully added; false otherwise.
+     */
+    boolean addIntObjective(IntObjective obj);
+
+    /**
+     * Removes a given IntObjective entry from the device.
+     *
+     * @param obj an IntObjective
+     * @return true if the objective was successfully removed; false otherwise.
+     */
+    boolean removeIntObjective(IntObjective obj);
+
+    /**
+     * Set up report-related configuration.
+     *
+     * @param config a configuration regarding to the collector
+     * @return true if the objective is successfully added; false otherwise.
+     */
+    boolean setupIntConfig(IntDeviceConfig config);
+
+    /**
+     * Clean up any INT-related configuration from the device.
+     */
+    void cleanup();
+
+    /**
+     * Returns true if this device supports the given INT functionality.
+     *
+     * @param functionality INt functionality
+     * @return true if functionality is supported, false otherwise
+     */
+    boolean supportsFunctionality(IntFunctionality functionality);
+
+    //TODO: [ONOS-7616] Design IntEvent and related APIs
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/package-info.java b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/package-info.java
new file mode 100644
index 0000000..fcbdf71
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/inbandtelemetry/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2015-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.
+ */
+
+/**
+ * Behaviors abstracting devices supporting in-band network telemetry.
+ */
+package org.onosproject.net.behaviour.inbandtelemetry;