adding packet types
diff --git a/utils/misc/src/main/java/org/onlab/packet/Data.java b/utils/misc/src/main/java/org/onlab/packet/Data.java
new file mode 100644
index 0000000..9754ceb
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/Data.java
@@ -0,0 +1,120 @@
+/*******************************************************************************
+ * Copyright 2014 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.
+ ******************************************************************************/
+/**
+ * Copyright 2011, Big Switch Networks, Inc.
+ * Originally created by David Erickson, Stanford University
+ *
+ * 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.onlab.packet;
+
+import java.util.Arrays;
+
+/**
+ *
+ * @author David Erickson (daviderickson@cs.stanford.edu)
+ */
+public class Data extends BasePacket {
+    protected byte[] data;
+
+    /**
+     *
+     */
+    public Data() {
+    }
+
+    /**
+     * @param data
+     */
+    public Data(final byte[] data) {
+        this.data = data;
+    }
+
+    /**
+     * @return the data
+     */
+    public byte[] getData() {
+        return this.data;
+    }
+
+    /**
+     * @param data
+     *            the data to set
+     */
+    public Data setData(final byte[] data) {
+        this.data = data;
+        return this;
+    }
+
+    @Override
+    public byte[] serialize() {
+        return this.data;
+    }
+
+    @Override
+    public IPacket deserialize(final byte[] data, final int offset,
+            final int length) {
+        this.data = Arrays.copyOfRange(data, offset, data.length);
+        return this;
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see java.lang.Object#hashCode()
+     */
+    @Override
+    public int hashCode() {
+        final int prime = 1571;
+        int result = super.hashCode();
+        result = prime * result + Arrays.hashCode(this.data);
+        return result;
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see java.lang.Object#equals(java.lang.Object)
+     */
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (!(obj instanceof Data)) {
+            return false;
+        }
+        final Data other = (Data) obj;
+        if (!Arrays.equals(this.data, other.data)) {
+            return false;
+        }
+        return true;
+    }
+}