diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepOpenObjectVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepOpenObjectVer1.java
new file mode 100644
index 0000000..3e2a580
--- /dev/null
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepOpenObjectVer1.java
@@ -0,0 +1,483 @@
+/*
+ * 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.protocol.ver1;
+
+import java.util.LinkedList;
+import java.util.ListIterator;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.exceptions.PcepParseException;
+import org.onosproject.pcepio.protocol.PcepOpenObject;
+import org.onosproject.pcepio.protocol.PcepType;
+import org.onosproject.pcepio.protocol.PcepVersion;
+import org.onosproject.pcepio.types.GmplsCapabilityTlv;
+import org.onosproject.pcepio.types.PceccCapabilityTlv;
+import org.onosproject.pcepio.types.PcepLabelDbVerTlv;
+import org.onosproject.pcepio.types.PcepObjectHeader;
+import org.onosproject.pcepio.types.PcepValueType;
+import org.onosproject.pcepio.types.StatefulLspDbVerTlv;
+import org.onosproject.pcepio.types.StatefulPceCapabilityTlv;
+import org.onosproject.pcepio.types.TedCapabilityTlv;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/*
+     message format.
+      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
+    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    | Object-Class  |   OT  |Res|P|I|   Object Length (bytes)       |
+    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    | Ver |   Flags |   Keepalive   |  DeadTimer    |      SID      |
+    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+    |                                                               |
+    //                       Optional TLVs                         //
+    |                                                               |
+    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+                     The OPEN Object format
+ */
+
+public class PcepOpenObjectVer1 implements PcepOpenObject {
+
+    protected static final Logger log = LoggerFactory.getLogger(PcepOpenObjectVer1.class);
+
+    public static final PcepType MSG_TYPE = PcepType.OPEN;
+    public static final byte OPEN_OBJECT_VERSION = 1;
+    public static final byte OPEN_OBJ_TYPE = 1;
+    public static final byte OPEN_OBJ_CLASS = 1;
+    public static final byte DEFAULT_KEEPALIVE_TIME = 30;
+    public static final byte DEFAULT_DEAD_TIME = 120;
+    public static final short OPEN_OBJ_MINIMUM_LENGTH = 8;
+    public static final int DEFAULT_GMPLS_CAPABILITY_TLV_IVALUE = 0X0;
+    public static final int DEFAULT_STATEFUL_PCE_CAPABILITY_TLV_IVALUE = 0xf;
+    public static final int DEFAULT_PCECC_CAPABILITY_TLV_IVALUE = 0x7;
+    public static final int DEFAULT_PCEP_LABEL_DB_VER_TLV_IVALUE = 0X0;
+
+    public static final PcepObjectHeader DEFAULT_OPEN_HEADER = new PcepObjectHeader(OPEN_OBJ_CLASS, OPEN_OBJ_TYPE,
+            PcepObjectHeader.REQ_OBJ_OPTIONAL_PROCESS, PcepObjectHeader.RSP_OBJ_PROCESSED, OPEN_OBJ_MINIMUM_LENGTH);
+
+    private PcepObjectHeader openObjHeader;
+    private byte keepAliveTime;
+    private byte deadTime;
+    private byte sessionId;
+    private LinkedList<PcepValueType> llOptionalTlv;
+
+    /**
+     * Default constructor.
+     */
+    public PcepOpenObjectVer1() {
+        this.openObjHeader = null;
+        this.keepAliveTime = 0;
+        this.deadTime = 0;
+        this.sessionId = 0;
+        this.llOptionalTlv = null;
+    }
+
+    /**
+     * Constructor to initialize all member variables.
+     *
+     * @param openObjHeader Open Object Header
+     * @param keepAliveTime Keepalive timer value
+     * @param deadTime      Dead timer value
+     * @param sessionID     session id
+     * @param llOptionalTlv Optional TLV
+     */
+    public PcepOpenObjectVer1(PcepObjectHeader openObjHeader, byte keepAliveTime, byte deadTime, byte sessionID,
+            LinkedList<PcepValueType> llOptionalTlv) {
+        this.openObjHeader = openObjHeader;
+        this.keepAliveTime = keepAliveTime;
+        this.deadTime = deadTime;
+        this.sessionId = sessionID;
+        this.llOptionalTlv = llOptionalTlv;
+    }
+
+    @Override
+    public PcepObjectHeader getOpenObjHeader() {
+        return this.openObjHeader;
+    }
+
+    @Override
+    public void setOpenObjHeader(PcepObjectHeader obj) {
+        this.openObjHeader = obj;
+    }
+
+    @Override
+    public byte getKeepAliveTime() {
+        return this.keepAliveTime;
+    }
+
+    @Override
+    public void setKeepAliveTime(byte value) {
+        this.keepAliveTime = value;
+    }
+
+    @Override
+    public PcepVersion getVersion() {
+        return PcepVersion.PCEP_1;
+    }
+
+    @Override
+    public byte getDeadTime() {
+        return this.deadTime;
+    }
+
+    @Override
+    public void setDeadTime(byte value) {
+        this.deadTime = value;
+    }
+
+    @Override
+    public byte getSessionId() {
+        return this.sessionId;
+    }
+
+    @Override
+    public void setSessionId(byte value) {
+        this.sessionId = value;
+    }
+
+    @Override
+    public LinkedList<PcepValueType> getOptionalTlv() {
+        return this.llOptionalTlv;
+    }
+
+    @Override
+    public void setOptionalTlv(LinkedList<PcepValueType> llOptionalTlv) {
+        this.llOptionalTlv = llOptionalTlv;
+    }
+
+    /**
+     * Reads from channel buffer and returns object of PcepOpenObject.
+     *
+     * @param cb of type channel buffer
+     * @return object of PcepOpenObject
+     * @throws PcepParseException if mandatory fields are missing
+     */
+    public static PcepOpenObject read(ChannelBuffer cb) throws PcepParseException {
+
+        PcepObjectHeader openObjHeader;
+        byte version;
+        byte keepAliveTime;
+        byte deadTime;
+        byte sessionID;
+        LinkedList<PcepValueType> llOptionalTlv;
+
+        openObjHeader = PcepObjectHeader.read(cb);
+        version = cb.readByte();
+        version = (byte) (version >> PcepMessageVer1.SHIFT_FLAG);
+        if (version != OPEN_OBJECT_VERSION) {
+            throw new PcepParseException("Wrong version: Expected=PcepVersion.PCEP_1(1), got=" + version);
+        }
+        /* Keepalive */
+        keepAliveTime = cb.readByte();
+
+        /* DeadTimer */
+        deadTime = cb.readByte();
+
+        /* SID */
+        sessionID = cb.readByte();
+
+        // Optional TLV
+        llOptionalTlv = parseOptionalTlv(cb);
+
+        return new PcepOpenObjectVer1(openObjHeader, keepAliveTime, deadTime, sessionID, llOptionalTlv);
+    }
+
+    /**
+     * Returns linkedlist of optional tlvs.
+     *
+     * @param cb of type channel buffer
+     * @return llOptionalTlv Optional TLV
+     * @throws PcepParseException if mandatory fields are missing
+     */
+    protected static LinkedList<PcepValueType> parseOptionalTlv(ChannelBuffer cb) throws PcepParseException {
+
+        LinkedList<PcepValueType> llOptionalTlv;
+
+        llOptionalTlv = new LinkedList<PcepValueType>();
+
+        while (4 <= cb.readableBytes()) {
+            PcepValueType tlv;
+            short hType = cb.readShort();
+            short hLength = cb.readShort();
+
+            switch (hType) {
+            case GmplsCapabilityTlv.TYPE:
+                log.debug("GmplsCapabilityTlv");
+                if (GmplsCapabilityTlv.LENGTH != hLength) {
+                    throw new PcepParseException("Invalid length received for Gmpls_Capability_Tlv.");
+                }
+                int iValue = cb.readInt();
+                tlv = new GmplsCapabilityTlv(iValue);
+                break;
+            case StatefulPceCapabilityTlv.TYPE:
+                log.debug("StatefulPceCapabilityTlv");
+                if (StatefulPceCapabilityTlv.LENGTH != hLength) {
+                    throw new PcepParseException("Invalid length received for StatefulPceCapabilityTlv.");
+                }
+                tlv = StatefulPceCapabilityTlv.read(cb);
+                break;
+            case PceccCapabilityTlv.TYPE:
+                log.debug("PceccCapabilityTlv");
+                if (PceccCapabilityTlv.LENGTH != hLength) {
+                    throw new PcepParseException("Invalid length for PceccCapabilityTlv.");
+                }
+                iValue = cb.readInt();
+                tlv = new PceccCapabilityTlv(iValue);
+                break;
+            case StatefulLspDbVerTlv.TYPE:
+                log.debug("StatefulLspDbVerTlv");
+                if (StatefulLspDbVerTlv.LENGTH != hLength) {
+                    throw new PcepParseException("Invalid length received for StatefulLspDbVerTlv.");
+                }
+                long lValue = cb.readLong();
+                tlv = new StatefulLspDbVerTlv(lValue);
+                break;
+            case TedCapabilityTlv.TYPE:
+                log.debug("TedCapabilityTlv");
+                if (TedCapabilityTlv.LENGTH != hLength) {
+                    throw new PcepParseException("Invalid length received for TedCapabilityTlv.");
+                }
+                iValue = cb.readInt();
+                tlv = new TedCapabilityTlv(iValue);
+                break;
+            case PcepLabelDbVerTlv.TYPE:
+                log.debug("PcepLabelDbVerTlv");
+                if (PcepLabelDbVerTlv.LENGTH != hLength) {
+                    throw new PcepParseException("Invalid length received for PcepLabelDbVerTlv.");
+                }
+                lValue = cb.readLong();
+                tlv = new PcepLabelDbVerTlv(lValue);
+                break;
+            default:
+                log.debug("Unsupported TLV: " + hType);
+                cb.skipBytes(hLength);
+                continue;
+            }
+
+            llOptionalTlv.add(tlv);
+        }
+
+        if (0 < cb.readableBytes()) {
+            throw new PcepParseException("Optional Tlv parsing error. Extra bytes received.");
+        }
+
+        return llOptionalTlv;
+    }
+
+    @Override
+    public int write(ChannelBuffer cb) throws PcepParseException {
+
+        int objStartIndex = cb.writerIndex();
+
+        //write common header
+        int objLenIndex = openObjHeader.write(cb);
+
+        if (objLenIndex <= 0) {
+            throw new PcepParseException("Unable to write Open object header.");
+        }
+
+        cb.writeByte((byte) (OPEN_OBJECT_VERSION << PcepMessageVer1.SHIFT_FLAG));
+        cb.writeByte(this.keepAliveTime);
+        cb.writeByte(this.deadTime);
+        cb.writeByte(this.sessionId);
+
+        //Pack optional TLV
+        packOptionalTlv(cb);
+
+        //now write OPEN Object Length
+        int length = cb.writerIndex() - objStartIndex;
+        cb.setShort(objLenIndex, (short) length);
+        //will be helpful during print().
+        this.openObjHeader.setObjLen((short) length);
+
+        return length;
+    }
+
+    /**
+     * Returns writer index.
+     *
+     * @param cb of type channel buffer.
+     * @return writer index
+     */
+    protected int packOptionalTlv(ChannelBuffer cb) {
+        int startIndex = cb.writerIndex();
+
+        LinkedList<PcepValueType> llOptionalTlv = this.llOptionalTlv;
+        ListIterator<PcepValueType> listIterator = llOptionalTlv.listIterator();
+        while (listIterator.hasNext()) {
+            PcepValueType tlv = listIterator.next();
+            if (null == tlv) {
+                log.debug("TLV is null from OptionalTlv list");
+                continue;
+            }
+
+            tlv.write(cb);
+
+            // need to take care of padding
+            int pad = tlv.getLength() % 4;
+
+            if (0 != pad) {
+                pad = 4 - pad;
+                for (int i = 0; i < pad; ++i) {
+                    cb.writeByte((byte) 0);
+                }
+            }
+        }
+
+        return cb.writerIndex() - startIndex;
+    }
+
+    public static class Builder implements PcepOpenObject.Builder {
+        // Pcep open message fields
+        private boolean bIsHeaderSet = false;
+        private PcepObjectHeader openObjHeader;
+        private boolean bIsKeepAliveTimeSet = false;
+        private byte keepAliveTime;
+        private boolean bIsDeadTimeSet = false;
+        private byte deadTime;
+        private boolean bIsSessionIDSet = false;
+        private byte sessionID;
+        private boolean bIsOptionalTlvSet = false;
+        private LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>();
+
+        private boolean bIsPFlagSet = false;
+        private boolean bPFlag;
+
+        private boolean bIsIFlagSet = false;
+        private boolean bIFlag;
+
+        @Override
+        public PcepOpenObject build() throws PcepParseException {
+            PcepObjectHeader openObjHeader = this.bIsHeaderSet ? this.openObjHeader : DEFAULT_OPEN_HEADER;
+            byte keepAliveTime = this.bIsKeepAliveTimeSet ? this.keepAliveTime : DEFAULT_KEEPALIVE_TIME;
+            byte deadTime = this.bIsDeadTimeSet ? this.deadTime : DEFAULT_DEAD_TIME;
+
+            if (!this.bIsSessionIDSet) {
+                throw new PcepParseException("SessionID is not set (mandatory)");
+            }
+            if (!this.bIsOptionalTlvSet) {
+                //Add tlv to list
+                //Add GmplsCapabilityTlv
+                PcepValueType tlv;
+                int iValue = DEFAULT_GMPLS_CAPABILITY_TLV_IVALUE;
+                tlv = new GmplsCapabilityTlv(iValue);
+                this.llOptionalTlv.add(tlv);
+
+                //Add StatefulPceCapabilityTlv
+                iValue = DEFAULT_STATEFUL_PCE_CAPABILITY_TLV_IVALUE;
+                tlv = new StatefulPceCapabilityTlv(iValue);
+                this.llOptionalTlv.add(tlv);
+
+            }
+
+            if (bIsPFlagSet) {
+                openObjHeader.setPFlag(bPFlag);
+            }
+
+            if (bIsIFlagSet) {
+                openObjHeader.setIFlag(bIFlag);
+            }
+
+            return new PcepOpenObjectVer1(openObjHeader, keepAliveTime, deadTime, this.sessionID, this.llOptionalTlv);
+        }
+
+        @Override
+        public PcepObjectHeader getOpenObjHeader() {
+            return this.openObjHeader;
+        }
+
+        @Override
+        public Builder setOpenObjHeader(PcepObjectHeader obj) {
+            this.openObjHeader = obj;
+            this.bIsHeaderSet = true;
+            return this;
+        }
+
+        @Override
+        public byte getKeepAliveTime() {
+            return this.keepAliveTime;
+        }
+
+        @Override
+        public Builder setKeepAliveTime(byte value) {
+            this.keepAliveTime = value;
+            this.bIsKeepAliveTimeSet = true;
+            return this;
+        }
+
+        @Override
+        public byte getDeadTime() {
+            return this.deadTime;
+        }
+
+        @Override
+        public Builder setDeadTime(byte value) {
+            this.deadTime = value;
+            this.bIsDeadTimeSet = true;
+            return this;
+        }
+
+        @Override
+        public byte getSessionId() {
+            return this.sessionID;
+        }
+
+        @Override
+        public Builder setSessionId(byte value) {
+            this.sessionID = value;
+            this.bIsSessionIDSet = true;
+            return this;
+        }
+
+        @Override
+        public Builder setOptionalTlv(LinkedList<PcepValueType> llOptionalTlv) {
+            this.llOptionalTlv = llOptionalTlv;
+            this.bIsOptionalTlvSet = true;
+            return this;
+        }
+
+        @Override
+        public LinkedList<PcepValueType> getOptionalTlv() {
+            return this.llOptionalTlv;
+        }
+
+        @Override
+        public Builder setPFlag(boolean value) {
+            this.bPFlag = value;
+            this.bIsPFlagSet = true;
+            return this;
+        }
+
+        @Override
+        public Builder setIFlag(boolean value) {
+            this.bIFlag = value;
+            this.bIsIFlagSet = true;
+            return this;
+        }
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass()).add("ObjectHeader", openObjHeader)
+                .add("Keepalive", keepAliveTime).add("DeadTimer", deadTime).add("SessionId", sessionId)
+                .add("OptionalTlv", llOptionalTlv).toString();
+    }
+}