diff --git a/of/lib/src/main/java/org/projectfloodlight/openflow/types/IPv6Address.java b/of/lib/src/main/java/org/projectfloodlight/openflow/types/IPv6Address.java
new file mode 100644
index 0000000..83fb31a
--- /dev/null
+++ b/of/lib/src/main/java/org/projectfloodlight/openflow/types/IPv6Address.java
@@ -0,0 +1,433 @@
+package org.projectfloodlight.openflow.types;
+
+import java.util.Arrays;
+import java.util.regex.Pattern;
+
+import javax.annotation.Nonnull;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.projectfloodlight.openflow.exceptions.OFParseError;
+
+import com.google.common.hash.PrimitiveSink;
+import com.google.common.primitives.Longs;
+
+/**
+ * IPv6 address object. Instance controlled, immutable. Internal representation:
+ * two 64 bit longs (not that you'd have to know).
+ *
+ * @author Andreas Wundsam <andreas.wundsam@teleteach.de>
+ */
+public class IPv6Address extends IPAddress<IPv6Address> {
+    static final int LENGTH = 16;
+    private final long raw1;
+    private final long raw2;
+
+    private static final int NOT_A_CIDR_MASK = -1;
+    private static final int CIDR_MASK_CACHE_UNSET = -2;
+    // Must appear before the static IPv4Address constant assignments
+    private volatile int cidrMaskLengthCache = CIDR_MASK_CACHE_UNSET;
+
+    private final static long NONE_VAL1 = 0x0L;
+    private final static long NONE_VAL2 = 0x0L;
+    public static final IPv6Address NONE = new IPv6Address(NONE_VAL1, NONE_VAL2);
+
+
+    public static final IPv6Address NO_MASK = IPv6Address.of(0xFFFFFFFFFFFFFFFFl, 0xFFFFFFFFFFFFFFFFl);
+    public static final IPv6Address FULL_MASK = IPv6Address.of(0x0, 0x0);
+
+    private IPv6Address(final long raw1, final long raw2) {
+        this.raw1 = raw1;
+        this.raw2 = raw2;
+    }
+
+    @Override
+    public IPVersion getIpVersion() {
+        return IPVersion.IPv6;
+    }
+
+
+    private int computeCidrMask64(long raw) {
+        long mask = raw;
+        if (raw == 0)
+            return 0;
+        else if (Long.bitCount((~mask) + 1) == 1) {
+            // represent a true CIDR prefix length
+            return Long.bitCount(mask);
+        }
+        else {
+            // Not a true prefix
+            return NOT_A_CIDR_MASK;
+        }
+    }
+
+    private int asCidrMaskLengthInternal() {
+        if (cidrMaskLengthCache == CIDR_MASK_CACHE_UNSET) {
+            // No synchronization needed. Writing cidrMaskLengthCache only once
+            if (raw1 == 0 && raw2 == 0) {
+                cidrMaskLengthCache = 0;
+            } else if (raw1 == -1L) {
+                // top half is all 1 bits
+                int tmpLength = computeCidrMask64(raw2);
+                if (tmpLength != NOT_A_CIDR_MASK)
+                    tmpLength += 64;
+                cidrMaskLengthCache = tmpLength;
+            } else if (raw2 == 0) {
+                cidrMaskLengthCache = computeCidrMask64(raw1);
+            } else {
+                cidrMaskLengthCache = NOT_A_CIDR_MASK;
+            }
+        }
+        return cidrMaskLengthCache;
+    }
+
+    @Override
+    public boolean isCidrMask() {
+        return asCidrMaskLengthInternal() != NOT_A_CIDR_MASK;
+    }
+
+    @Override
+    public int asCidrMaskLength() {
+        if (!isCidrMask()) {
+            throw new IllegalStateException("IP is not a valid CIDR prefix " +
+                    "mask " + toString());
+        } else {
+            return asCidrMaskLengthInternal();
+        }
+    }
+
+    @Override
+    public boolean isBroadcast() {
+        return this.equals(NO_MASK);
+    }
+
+    @Override
+    public IPv6Address and(IPv6Address other) {
+        if (other == null) {
+            throw new NullPointerException("Other IP Address must not be null");
+        }
+        IPv6Address otherIp = (IPv6Address) other;
+        return IPv6Address.of((raw1 & otherIp.raw1), (raw2 & otherIp.raw2));
+    }
+
+    @Override
+    public IPv6Address or(IPv6Address other) {
+        if (other == null) {
+            throw new NullPointerException("Other IP Address must not be null");
+        }
+        IPv6Address otherIp = (IPv6Address) other;
+        return IPv6Address.of((raw1 | otherIp.raw1), (raw2 | otherIp.raw2));
+    }
+
+    @Override
+    public IPv6Address not() {
+        return IPv6Address.of(~raw1, ~raw2);
+    }
+
+    public static IPv6Address of(final byte[] address) {
+        if (address == null) {
+            throw new NullPointerException("Address must not be null");
+        }
+        if (address.length != LENGTH) {
+            throw new IllegalArgumentException(
+                    "Invalid byte array length for IPv6 address: " + address.length);
+        }
+
+        long raw1 =
+                (address[0] & 0xFFL) << 56 | (address[1] & 0xFFL) << 48
+                        | (address[2] & 0xFFL) << 40 | (address[3] & 0xFFL) << 32
+                        | (address[4] & 0xFFL) << 24 | (address[5] & 0xFFL) << 16
+                        | (address[6] & 0xFFL) << 8 | (address[7]);
+
+        long raw2 =
+                (address[8] & 0xFFL) << 56 | (address[9] & 0xFFL) << 48
+                        | (address[10] & 0xFFL) << 40 | (address[11] & 0xFFL) << 32
+                        | (address[12] & 0xFFL) << 24 | (address[13] & 0xFFL) << 16
+                        | (address[14] & 0xFFL) << 8 | (address[15]);
+
+        return IPv6Address.of(raw1, raw2);
+    }
+
+    private static class IPv6Builder {
+        private long raw1, raw2;
+
+        public void setUnsignedShortWord(final int i, final int value) {
+            int shift = 48 - (i % 4) * 16;
+
+            if (value < 0 || value > 0xFFFF)
+                throw new IllegalArgumentException("16 bit word must be in [0, 0xFFFF]");
+
+            if (i >= 0 && i < 4)
+                raw1 = raw1 & ~(0xFFFFL << shift) | (value & 0xFFFFL) << shift;
+            else if (i >= 4 && i < 8)
+                raw2 = raw2 & ~(0xFFFFL << shift) | (value & 0xFFFFL) << shift;
+            else
+                throw new IllegalArgumentException("16 bit word index must be in [0,7]");
+        }
+
+        public IPv6Address getIPv6() {
+            return IPv6Address.of(raw1, raw2);
+        }
+    }
+
+    private final static Pattern colonPattern = Pattern.compile(":");
+
+    /** parse an IPv6Address from its conventional string representation.
+     *  <p>
+     *  Expects up to 8 groups of 16-bit hex words seperated by colons
+     *  (e.g., 2001:db8:85a3:8d3:1319:8a2e:370:7348).
+     *  <p>
+     *  Supports zero compression (e.g., 2001:db8::7348).
+     *  Does <b>not</b> currently support embedding a dotted-quad IPv4 address
+     *  into the IPv6 address (e.g., 2001:db8::192.168.0.1).
+     *
+     * @param string a string representation of an IPv6 address
+     * @return the parsed IPv6 address
+     * @throws NullPointerException if string is null
+     * @throws IllegalArgumentException if string is not a valid IPv6Address
+     */
+    @Nonnull
+    public static IPv6Address of(@Nonnull final String string) throws IllegalArgumentException {
+        if (string == null) {
+            throw new NullPointerException("String must not be null");
+        }
+        IPv6Builder builder = new IPv6Builder();
+        String[] parts = colonPattern.split(string, -1);
+
+        int leftWord = 0;
+        int leftIndex = 0;
+
+        boolean hitZeroCompression = false;
+
+        for (leftIndex = 0; leftIndex < parts.length; leftIndex++) {
+            String part = parts[leftIndex];
+            if (part.length() == 0) {
+                // hit empty group of zero compression
+                hitZeroCompression = true;
+                break;
+            }
+            builder.setUnsignedShortWord(leftWord++, Integer.parseInt(part, 16));
+        }
+
+        if (hitZeroCompression) {
+            if (leftIndex == 0) {
+                // if colon is at the start, two columns must be at the start,
+                // move to the second empty group
+                leftIndex = 1;
+                if (parts.length < 2 || parts[1].length() > 0)
+                    throw new IllegalArgumentException("Malformed IPv6 address: " + string);
+            }
+
+            int rightWord = 7;
+            int rightIndex;
+            for (rightIndex = parts.length - 1; rightIndex > leftIndex; rightIndex--) {
+                String part = parts[rightIndex];
+                if (part.length() == 0)
+                    break;
+                builder.setUnsignedShortWord(rightWord--, Integer.parseInt(part, 16));
+            }
+            if (rightIndex == parts.length - 1) {
+                // if colon is at the end, two columns must be at the end, move
+                // to the second empty group
+                if (rightIndex < 1 || parts[rightIndex - 1].length() > 0)
+                    throw new IllegalArgumentException("Malformed IPv6 address: " + string);
+                rightIndex--;
+            }
+            if (leftIndex != rightIndex)
+                throw new IllegalArgumentException("Malformed IPv6 address: " + string);
+        } else {
+            if (leftIndex != 8) {
+                throw new IllegalArgumentException("Malformed IPv6 address: " + string);
+            }
+        }
+        return builder.getIPv6();
+    }
+
+    /** construct an IPv6 adress from two 64 bit integers representing the first and
+     *  second 8-byte blocks of the address.
+     *
+     * @param raw1 - the first 8 byte block of the address
+     * @param raw2 - the second 8 byte block of the address
+     * @return the constructed IPv6Address
+     */
+    public static IPv6Address of(final long raw1, final long raw2) {
+        if(raw1==NONE_VAL1 && raw2 == NONE_VAL2)
+            return NONE;
+        return new IPv6Address(raw1, raw2);
+    }
+
+    private volatile byte[] bytesCache = null;
+
+    public byte[] getBytes() {
+        if (bytesCache == null) {
+            synchronized (this) {
+                if (bytesCache == null) {
+                    bytesCache =
+                            new byte[] { (byte) ((raw1 >> 56) & 0xFF),
+                                    (byte) ((raw1 >> 48) & 0xFF),
+                                    (byte) ((raw1 >> 40) & 0xFF),
+                                    (byte) ((raw1 >> 32) & 0xFF),
+                                    (byte) ((raw1 >> 24) & 0xFF),
+                                    (byte) ((raw1 >> 16) & 0xFF),
+                                    (byte) ((raw1 >> 8) & 0xFF),
+                                    (byte) ((raw1 >> 0) & 0xFF),
+
+                                    (byte) ((raw2 >> 56) & 0xFF),
+                                    (byte) ((raw2 >> 48) & 0xFF),
+                                    (byte) ((raw2 >> 40) & 0xFF),
+                                    (byte) ((raw2 >> 32) & 0xFF),
+                                    (byte) ((raw2 >> 24) & 0xFF),
+                                    (byte) ((raw2 >> 16) & 0xFF),
+                                    (byte) ((raw2 >> 8) & 0xFF),
+                                    (byte) ((raw2 >> 0) & 0xFF) };
+                }
+            }
+        }
+        return Arrays.copyOf(bytesCache, bytesCache.length);
+    }
+
+    @Override
+    public int getLength() {
+        return LENGTH;
+    }
+
+    @Override
+    public String toString() {
+        return toString(true, false);
+    }
+
+    public int getUnsignedShortWord(final int i) {
+        if (i >= 0 && i < 4)
+            return (int) ((raw1 >>> (48 - i * 16)) & 0xFFFF);
+        else if (i >= 4 && i < 8)
+            return (int) ((raw2 >>> (48 - (i - 4) * 16)) & 0xFFFF);
+        else
+            throw new IllegalArgumentException("16 bit word index must be in [0,7]");
+    }
+
+    /** get the index of the first word where to apply IPv6 zero compression */
+    public int getZeroCompressStart() {
+        int start = Integer.MAX_VALUE;
+        int maxLength = -1;
+
+        int candidateStart = -1;
+
+        for (int i = 0; i < 8; i++) {
+            if (candidateStart >= 0) {
+                // in a zero octect
+                if (getUnsignedShortWord(i) != 0) {
+                    // end of this candidate word
+                    int candidateLength = i - candidateStart;
+                    if (candidateLength >= maxLength) {
+                        start = candidateStart;
+                        maxLength = candidateLength;
+                    }
+                    candidateStart = -1;
+                }
+            } else {
+                // not in a zero octect
+                if (getUnsignedShortWord(i) == 0) {
+                    candidateStart = i;
+                }
+            }
+        }
+
+        if (candidateStart >= 0) {
+            int candidateLength = 8 - candidateStart;
+            if (candidateLength >= maxLength) {
+                start = candidateStart;
+                maxLength = candidateLength;
+            }
+        }
+
+        return start;
+    }
+
+    public String toString(final boolean zeroCompression, final boolean leadingZeros) {
+        StringBuilder res = new StringBuilder();
+
+        int compressionStart = zeroCompression ? getZeroCompressStart() : Integer.MAX_VALUE;
+        boolean inCompression = false;
+        boolean colonNeeded = false;
+
+        for (int i = 0; i < 8; i++) {
+            int word = getUnsignedShortWord(i);
+
+            if (word == 0) {
+                if (inCompression)
+                    continue;
+                else if (i == compressionStart) {
+                    res.append(':').append(':');
+                    inCompression = true;
+                    colonNeeded = false;
+                    continue;
+                }
+            } else {
+                inCompression = false;
+            }
+
+            if (colonNeeded) {
+                res.append(':');
+                colonNeeded = false;
+            }
+
+            res.append(leadingZeros ? String.format("%04x", word) : Integer.toString(word,
+                    16));
+            colonNeeded = true;
+        }
+        return res.toString();
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + (int) (raw1 ^ (raw1 >>> 32));
+        result = prime * result + (int) (raw2 ^ (raw2 >>> 32));
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        IPv6Address other = (IPv6Address) obj;
+        if (raw1 != other.raw1)
+            return false;
+        if (raw2 != other.raw2)
+            return false;
+        return true;
+    }
+
+    public void write16Bytes(ChannelBuffer c) {
+        c.writeLong(this.raw1);
+        c.writeLong(this.raw2);
+    }
+
+    public static IPv6Address read16Bytes(ChannelBuffer c) throws OFParseError {
+        return IPv6Address.of(c.readLong(), c.readLong());
+    }
+
+    @Override
+    public IPv6Address applyMask(IPv6Address mask) {
+        return and(mask);
+    }
+
+    @Override
+    public int compareTo(IPv6Address o) {
+        int res = Longs.compare(raw1, o.raw1);
+        if(res != 0)
+            return res;
+        else
+            return Longs.compare(raw2, o.raw2);
+    }
+
+    @Override
+    public void putTo(PrimitiveSink sink) {
+        sink.putLong(raw1);
+        sink.putLong(raw2);
+    }
+}