diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/MplsProtocolMaskSubTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/MplsProtocolMaskSubTlv.java
new file mode 100644
index 0000000..d47dc21
--- /dev/null
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/MplsProtocolMaskSubTlv.java
@@ -0,0 +1,200 @@
+/*
+ * 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.pcepio.types;
+
+import java.util.Objects;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.protocol.PcepVersion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Provides MPLS Protocol Mask.
+ */
+public class MplsProtocolMaskSubTlv implements PcepValueType {
+
+    /* Reference :[I-D.ietf-idr-ls-distribution]/3.3.2.2
+     *  0                   1                   2                   3
+      0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+     |              Type=TDB39       |             Length =1         |
+     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+     |L|R|  Reserved |
+     +-+-+-+-+-+-+-+-+
+     */
+    protected static final Logger log = LoggerFactory.getLogger(MplsProtocolMaskSubTlv.class);
+
+    public static final short TYPE = 28;
+    public static final short LENGTH = 1;
+    public static final byte LFLAG_SET = (byte) 0x80;
+    public static final byte RFLAG_SET = 0x40;
+
+    private final byte rawValue;
+    private final boolean bLFlag;
+    private final boolean bRFlag;
+    private final boolean isRawValueSet;
+
+    /**
+     * constructor to initialize rawValue.
+     *
+     * @param rawValue MPLS Protocol Mask Flag Bits
+     */
+    public MplsProtocolMaskSubTlv(byte rawValue) {
+        this.rawValue = rawValue;
+        this.isRawValueSet = true;
+        this.bLFlag = (rawValue & LFLAG_SET) == LFLAG_SET;
+        this.bRFlag = (rawValue & RFLAG_SET) == RFLAG_SET;
+    }
+
+    /**
+     * constructor to initialize different Flags.
+     *
+     * @param bLFlag L-flag
+     * @param bRFlag R-flag
+     */
+    public MplsProtocolMaskSubTlv(boolean bLFlag, boolean bRFlag) {
+        this.bLFlag = bLFlag;
+        this.bRFlag = bRFlag;
+        this.rawValue = 0;
+        isRawValueSet = false;
+    }
+
+    /**
+     * Returns newly created MPLSProtocolMaskTlv object.
+     *
+     * @param raw MPLS Protocol Mask Tlv
+     * @return new object of MPLS Protocol Mask Tlv
+     */
+    public static MplsProtocolMaskSubTlv of(final byte raw) {
+        return new MplsProtocolMaskSubTlv(raw);
+    }
+
+    /**
+     * Returns L-flag.
+     *
+     * @return bLFlag L-flag
+     */
+    public boolean getbLFlag() {
+        return bLFlag;
+    }
+
+    /**
+     * Returns R-flag.
+     *
+     * @return bRFlag R-flag
+     */
+    public boolean getbRFlag() {
+        return bRFlag;
+    }
+
+    /**
+     * Returns raw value.
+     *
+     * @return rawValue raw value
+     */
+    public byte getByte() {
+        return rawValue;
+    }
+
+    @Override
+    public PcepVersion getVersion() {
+        return PcepVersion.PCEP_1;
+    }
+
+    @Override
+    public short getType() {
+        return TYPE;
+    }
+
+    @Override
+    public short getLength() {
+        return LENGTH;
+    }
+
+    @Override
+    public int hashCode() {
+        if (isRawValueSet) {
+            return Objects.hash(rawValue);
+        } else {
+            return Objects.hash(bLFlag, bRFlag);
+        }
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof MplsProtocolMaskSubTlv) {
+            MplsProtocolMaskSubTlv other = (MplsProtocolMaskSubTlv) obj;
+            if (isRawValueSet) {
+                return Objects.equals(this.rawValue, other.rawValue);
+            } else {
+                return Objects.equals(this.bLFlag, other.bLFlag) && Objects.equals(this.bRFlag, other.bRFlag);
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public int write(ChannelBuffer c) {
+        int iLenStartIndex = c.writerIndex();
+        c.writeShort(TYPE);
+        c.writeShort(LENGTH);
+        if (isRawValueSet) {
+            c.writeByte(rawValue);
+        } else {
+            byte temp = 0;
+            if (bLFlag) {
+                temp = (byte) (temp | LFLAG_SET);
+            }
+            if (bRFlag) {
+                temp = (byte) (temp | RFLAG_SET);
+            }
+            c.writeByte(temp);
+        }
+        return c.writerIndex() - iLenStartIndex;
+    }
+
+    /**
+     * Reads the channel buffer and returns object of MPLS Protocol Mask Tlv.
+     *
+     * @param c input channel buffer
+     * @return object of MPLS Protocol Mask Tlv
+     */
+    public static PcepValueType read(ChannelBuffer c) {
+        byte temp = c.readByte();
+        boolean bLFlag;
+        boolean bRFlag;
+
+        bLFlag = (temp & LFLAG_SET) == LFLAG_SET;
+        bRFlag = (temp & RFLAG_SET) == RFLAG_SET;
+
+        return new MplsProtocolMaskSubTlv(bLFlag, bRFlag);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("Type", TYPE)
+                .add("Length", LENGTH)
+                .add("Value", rawValue)
+                .toString();
+    }
+}