diff --git a/src/main/java/net/onrc/onos/datastore/ramcloud/RCClient.java b/src/main/java/net/onrc/onos/datastore/ramcloud/RCClient.java
new file mode 100644
index 0000000..0f18d9c
--- /dev/null
+++ b/src/main/java/net/onrc/onos/datastore/ramcloud/RCClient.java
@@ -0,0 +1,572 @@
+package net.onrc.onos.datastore.ramcloud;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.concurrent.ConcurrentHashMap;
+
+import net.onrc.onos.datastore.IKVClient;
+import net.onrc.onos.datastore.IKVTable;
+import net.onrc.onos.datastore.IKVTable.IKVEntry;
+import net.onrc.onos.datastore.IKVTableID;
+import net.onrc.onos.datastore.IMultiEntryOperation;
+import net.onrc.onos.datastore.IMultiEntryOperation.STATUS;
+import net.onrc.onos.datastore.ObjectDoesntExistException;
+import net.onrc.onos.datastore.ObjectExistsException;
+import net.onrc.onos.datastore.WrongVersionException;
+import net.onrc.onos.datastore.internal.IModifiableMultiEntryOperation;
+import net.onrc.onos.datastore.ramcloud.RCTable.Entry;
+import net.onrc.onos.datastore.utils.ByteArrayUtil;
+
+import org.apache.commons.configuration.Configuration;
+import org.apache.commons.configuration.ConfigurationException;
+import org.apache.commons.configuration.PropertiesConfiguration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import edu.stanford.ramcloud.JRamCloud;
+import edu.stanford.ramcloud.JRamCloud.MultiReadObject;
+import edu.stanford.ramcloud.JRamCloud.MultiWriteObject;
+import edu.stanford.ramcloud.JRamCloud.MultiWriteRspObject;
+import edu.stanford.ramcloud.JRamCloud.RejectRules;
+import edu.stanford.ramcloud.JRamCloud.RejectRulesException;
+import edu.stanford.ramcloud.JRamCloud.TableEnumerator2;
+
+public class RCClient implements IKVClient {
+    private static final Logger log = LoggerFactory.getLogger(RCClient.class);
+
+    private static final String DB_CONFIG_FILE = "conf/ramcloud.conf";
+    public static final Configuration config = getConfiguration();
+
+    // Value taken from RAMCloud's Status.h
+    // FIXME These constants should be defined by JRamCloud
+    public static final int STATUS_OK = 0;
+
+    // FIXME come up with a proper way to retrieve configuration
+    public static final int MAX_MULTI_READS = Math.max(1, Integer
+	    .valueOf(System.getProperty("ramcloud.max_multi_reads", "400")));
+
+    public static final int MAX_MULTI_WRITES = Math.max(1, Integer
+	    .valueOf(System.getProperty("ramcloud.max_multi_writes", "800")));
+
+    private static final ThreadLocal<JRamCloud> tlsRCClient = new ThreadLocal<JRamCloud>() {
+	@Override
+	protected JRamCloud initialValue() {
+	    return new JRamCloud(getCoordinatorUrl(config));
+	}
+    };
+
+    /**
+     * @return JRamCloud instance intended to be used only within the
+     *         SameThread.
+     * @note Do not store the returned instance in a member variable, etc. which
+     *       may be accessed later by another thread.
+     */
+    static JRamCloud getJRamCloudClient() {
+	return tlsRCClient.get();
+    }
+
+    // Currently RCClient is state-less
+    private static final RCClient theInstance= new RCClient();
+
+    public static RCClient getClient() {
+	return theInstance;
+    }
+
+    public static final Configuration getConfiguration() {
+	final File configFile = new File(System.getProperty("ramcloud.config.path", DB_CONFIG_FILE));
+	return getConfiguration(configFile);
+    }
+
+    public static final Configuration getConfiguration(final File configFile) {
+	if (configFile == null) {
+	    throw new IllegalArgumentException("Need to specify a configuration file or storage directory");
+	}
+
+	if (!configFile.isFile()) {
+	    throw new IllegalArgumentException("Location of configuration must be a file");
+	}
+
+	try {
+	    return new PropertiesConfiguration(configFile);
+	} catch (ConfigurationException e) {
+	    throw new IllegalArgumentException("Could not load configuration at: " + configFile, e);
+	}
+    }
+
+    public static String getCoordinatorUrl(final Configuration configuration) {
+	final String coordinatorIp = configuration.getString("ramcloud.coordinatorIp", "fast+udp:host=127.0.0.1");
+	final String coordinatorPort = configuration.getString("ramcloud.coordinatorPort", "port=12246");
+	final String coordinatorURL = coordinatorIp + "," + coordinatorPort;
+	return coordinatorURL;
+    }
+
+    @Override
+    public IMultiEntryOperation createOp(IKVTableID tableId, byte[] key, byte[] value) {
+	return RCMultiEntryOperation.create(tableId, key, value);
+    }
+
+    /**
+     * @param tableId RCTableID instance
+     */
+    @Override
+    public long create(IKVTableID tableId, byte[] key, byte[] value)
+	    throws ObjectExistsException {
+
+	RCTableID rcTableId = (RCTableID) tableId;
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+
+	RejectRules rules = new RejectRules();
+	rules.rejectIfExists();
+
+	try {
+	    return rcClient.write(rcTableId.getTableID(), key, value, rules);
+	} catch (JRamCloud.ObjectExistsException e) {
+	    throw new ObjectExistsException(rcTableId, key, e);
+	} catch (JRamCloud.RejectRulesException e) {
+	    log.error("Unexpected RejectRulesException", e);
+	    return JRamCloud.VERSION_NONEXISTENT;
+	}
+    }
+
+    @Override
+    public IMultiEntryOperation forceCreateOp(IKVTableID tableId, byte[] key, byte[] value) {
+	return RCMultiEntryOperation.forceCreate(tableId, key, value);
+    }
+
+    @Override
+    public long forceCreate(IKVTableID tableId, byte[] key, byte[] value) {
+	RCTableID rcTableId = (RCTableID) tableId;
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+
+	long updated_version = rcClient.write(rcTableId.getTableID(), key, value);
+	return updated_version;
+    }
+
+    @Override
+    public IMultiEntryOperation readOp(IKVTableID tableId, byte[] key) {
+	return RCMultiEntryOperation.read(tableId, key);
+    }
+
+    @Override
+    public IKVEntry read(IKVTableID tableId, byte[] key)
+	    throws ObjectDoesntExistException {
+
+	RCTableID rcTableId = (RCTableID) tableId;
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+
+	RejectRules rules = new RejectRules();
+	rules.rejectIfDoesntExists();
+	try {
+	    JRamCloud.Object rcObj = rcClient.read(rcTableId.getTableID(), key, rules);
+	    return new Entry(rcObj.key, rcObj.value, rcObj.version);
+	} catch (JRamCloud.ObjectDoesntExistException e) {
+	    throw new ObjectDoesntExistException(rcTableId, key, e);
+	} catch (JRamCloud.RejectRulesException e) {
+	    log.error("Unexpected RejectRulesException", e);
+	    return null;
+	}
+    }
+
+    @Override
+    public IMultiEntryOperation updateOp(IKVTableID tableId, byte[] key, byte[] value,long version) {
+	return RCMultiEntryOperation.update(tableId, key, value, version);
+    }
+
+    @Override
+    public long update(IKVTableID tableId, byte[] key, byte[] value,
+	    long version) throws ObjectDoesntExistException,
+	    WrongVersionException {
+
+	RCTableID rcTableId = (RCTableID) tableId;
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+
+	RejectRules rules = new RejectRules();
+	rules.rejectIfDoesntExists();
+	rules.rejectIfNeVersion(version);
+
+	try {
+	    return rcClient.write(rcTableId.getTableID(), key, value, rules);
+	} catch (JRamCloud.ObjectDoesntExistException e) {
+	    throw new ObjectDoesntExistException(rcTableId, key, e);
+	} catch (JRamCloud.WrongVersionException e) {
+	    throw new WrongVersionException(rcTableId, key, version, e);
+	} catch (JRamCloud.RejectRulesException e) {
+	    log.error("Unexpected RejectRulesException", e);
+	    return JRamCloud.VERSION_NONEXISTENT;
+	}
+    }
+
+
+    @Override
+    public long update(IKVTableID tableId, byte[] key, byte[] value)
+	    throws ObjectDoesntExistException {
+
+	RCTableID rcTableId = (RCTableID) tableId;
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+
+	RejectRules rules = new RejectRules();
+	rules.rejectIfDoesntExists();
+
+	try {
+	    return rcClient.write(rcTableId.getTableID(), key, value, rules);
+	} catch (JRamCloud.ObjectDoesntExistException e) {
+	    throw new ObjectDoesntExistException(rcTableId, key, e);
+	} catch (JRamCloud.RejectRulesException e) {
+	    log.error("Unexpected RejectRulesException", e);
+	    return JRamCloud.VERSION_NONEXISTENT;
+	}
+    }
+
+    @Override
+    public IMultiEntryOperation deleteOp(IKVTableID tableId, byte[] key, byte[] value,long version) {
+	return RCMultiEntryOperation.delete(tableId, key, value, version);
+    }
+
+    @Override
+    public long delete(IKVTableID tableId, byte[] key, long version)
+	    throws ObjectDoesntExistException, WrongVersionException {
+
+	RCTableID rcTableId = (RCTableID) tableId;
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+
+	RejectRules rules = new RejectRules();
+	rules.rejectIfDoesntExists();
+	rules.rejectIfNeVersion(version);
+
+	try {
+	    return rcClient.remove(rcTableId.getTableID(), key, rules);
+	} catch (JRamCloud.ObjectDoesntExistException e) {
+	    throw new ObjectDoesntExistException(rcTableId, key, e);
+	} catch (JRamCloud.WrongVersionException e) {
+	    throw new WrongVersionException(rcTableId, key, version, e);
+	} catch (JRamCloud.RejectRulesException e) {
+	    log.error("Unexpected RejectRulesException", e);
+	    return JRamCloud.VERSION_NONEXISTENT;
+	}
+    }
+
+    @Override
+    public IMultiEntryOperation forceDeleteOp(IKVTableID tableId, byte[] key) {
+	return RCMultiEntryOperation.forceDelete(tableId, key);
+    }
+
+    @Override
+    public long forceDelete(IKVTableID tableId, byte[] key) {
+	RCTableID rcTableId = (RCTableID) tableId;
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+	long removed_version = rcClient.remove(rcTableId.getTableID(), key);
+	return removed_version;
+    }
+
+    @Override
+    public Iterable<IKVEntry> getAllEntries(IKVTableID tableId) {
+	return new RCTableEntryIterable((RCTableID) tableId);
+    }
+
+    static class RCTableEntryIterable implements Iterable<IKVEntry> {
+	private final RCTableID tableId;
+
+	public RCTableEntryIterable(final RCTableID tableId) {
+	    this.tableId = tableId;
+	}
+
+	@Override
+	public Iterator<IKVEntry> iterator() {
+	    return new RCClient.RCTableIterator(tableId);
+	}
+    }
+
+    public static class RCTableIterator implements Iterator<IKVEntry> {
+	private final RCTableID tableId;
+	protected final TableEnumerator2 enumerator;
+	private JRamCloud.Object last;
+
+	public RCTableIterator(final RCTableID tableId) {
+	    this.tableId = tableId;
+	    this.enumerator = getJRamCloudClient().new TableEnumerator2(tableId.getTableID());
+	    this.last = null;
+	}
+
+	@Override
+	public boolean hasNext() {
+	    return this.enumerator.hasNext();
+	}
+
+	@Override
+	public RCTable.Entry next() {
+	    last = enumerator.next();
+	    return new RCTable.Entry(last.key, last.value, last.version);
+	}
+
+	@Override
+	public void remove() {
+	    if (last != null) {
+		getJRamCloudClient();
+		JRamCloud rcClient = RCClient.getJRamCloudClient();
+
+		RejectRules rules = new RejectRules();
+		rules.rejectIfNeVersion(last.version);
+		try {
+		    rcClient.remove(tableId.getTableID(), last.key, rules);
+		} catch (RejectRulesException e) {
+		    log.trace("remove failed", e);
+		}
+		last = null;
+	    }
+	}
+    }
+
+    @Override
+    public boolean multiRead(final Collection<IMultiEntryOperation> ops) {
+
+	if ( ops.size() <= MAX_MULTI_READS && ops instanceof ArrayList) {
+	    @SuppressWarnings({ "unchecked", "rawtypes" })
+	    final ArrayList<RCMultiEntryOperation> arrays = (ArrayList)ops;
+	    return multiReadInternal(arrays);
+	}
+
+	boolean fail_exists = false;
+
+	ArrayList<RCMultiEntryOperation> req = new ArrayList<>();
+	Iterator<IMultiEntryOperation> it = ops.iterator();
+	while (it.hasNext()) {
+
+	    req.add((RCMultiEntryOperation) it.next());
+
+	    if (req.size() >= MAX_MULTI_READS) {
+		// dispatch multiRead
+		fail_exists |= multiReadInternal(req);
+		req.clear();
+	    }
+	}
+
+	if (!req.isEmpty()) {
+	    // dispatch multiRead
+	    fail_exists |= multiReadInternal(req);
+	    req.clear();
+	}
+
+	return fail_exists;
+    }
+
+    @Override
+    public boolean multiWrite(final List<IMultiEntryOperation> ops) {
+
+	if ( ops.size() <= MAX_MULTI_WRITES && ops instanceof ArrayList) {
+	    @SuppressWarnings({ "unchecked", "rawtypes" })
+	    final ArrayList<RCMultiEntryOperation> arrays = (ArrayList)ops;
+	    return multiWriteInternal(arrays);
+	}
+
+	boolean fail_exists = false;
+
+	ArrayList<RCMultiEntryOperation> req = new ArrayList<>();
+	Iterator<IMultiEntryOperation> it = ops.iterator();
+	while (it.hasNext()) {
+
+	    req.add((RCMultiEntryOperation) it.next());
+
+	    if (req.size() >= MAX_MULTI_WRITES) {
+		// dispatch multiWrite
+		fail_exists |= multiWriteInternal(req);
+		req.clear();
+	    }
+	}
+
+	if (!req.isEmpty()) {
+	    // dispatch multiWrite
+	    fail_exists |= multiWriteInternal(req);
+	    req.clear();
+	}
+
+	return fail_exists;
+    }
+
+    @Override
+    public boolean multiDelete(final Collection<IMultiEntryOperation> ops) {
+
+	// TODO implement multiRemove JNI, etc. if we need performance
+
+	boolean fail_exists = false;
+	JRamCloud rcClient = getJRamCloudClient();
+
+	for (IMultiEntryOperation iop : ops) {
+	    RCMultiEntryOperation op = (RCMultiEntryOperation)iop;
+	    switch (op.getOperation()) {
+	    case DELETE:
+		RejectRules rules = new RejectRules();
+		rules.rejectIfDoesntExists();
+		rules.rejectIfNeVersion(op.getVersion());
+
+		try {
+		    long removed_version = rcClient.remove(op.tableId.getTableID(), op.entry.getKey(), rules);
+		    op.entry.setVersion(removed_version);
+		    op.status = STATUS.SUCCESS;
+		} catch (JRamCloud.ObjectDoesntExistException|JRamCloud.WrongVersionException e) {
+		    log.error("Failed to remove key:" + ByteArrayUtil.toHexStringBuffer(op.entry.getKey(), "") + " from tableID:" + op.tableId, e );
+		    fail_exists = true;
+		    op.status = STATUS.FAILED;
+		} catch (JRamCloud.RejectRulesException e) {
+		    log.error("Failed to remove key:" + ByteArrayUtil.toHexStringBuffer(op.entry.getKey(), "") + " from tableID:" + op.tableId, e );
+		    fail_exists = true;
+		    op.status = STATUS.FAILED;
+		}
+		break;
+
+	    case FORCE_DELETE:
+		long removed_version = rcClient.remove(op.tableId.getTableID(), op.entry.getKey());
+		if (removed_version != JRamCloud.VERSION_NONEXISTENT) {
+		    op.entry.setVersion(removed_version);
+		    op.status = STATUS.SUCCESS;
+		} else {
+		    log.error("Failed to remove key:{} from tableID:{}", ByteArrayUtil.toHexStringBuffer(op.entry.getKey(), ""), op.tableId );
+		    fail_exists = true;
+		    op.status = STATUS.FAILED;
+		}
+		break;
+
+	    default:
+		log.error("Invalid operation {} specified on multiDelete", op.getOperation() );
+		fail_exists = true;
+		op.status = STATUS.FAILED;
+		break;
+	    }
+	}
+	return fail_exists;
+    }
+
+    private boolean multiReadInternal(final ArrayList<RCMultiEntryOperation> ops) {
+	boolean fail_exists = false;
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+
+	final int reqs = ops.size();
+
+	MultiReadObject multiReadObjects = new MultiReadObject(reqs);
+
+	// setup multi-read operation objects
+	for (int i = 0; i < reqs; ++i) {
+	    IMultiEntryOperation op = ops.get(i);
+	    multiReadObjects.setObject(i, ((RCTableID)op.getTableId()).getTableID(), op.getKey());
+	}
+
+	// execute
+	JRamCloud.Object[] results = rcClient.multiRead(multiReadObjects.tableId, multiReadObjects.key, multiReadObjects.keyLength, reqs);
+	if (results.length != reqs) {
+	    log.error("multiRead returned unexpected number of results. (requested:{}, returned:{})", reqs, results.length);
+	    fail_exists = true;
+	}
+
+	for (int i = 0; i < results.length; ++i) {
+	    IModifiableMultiEntryOperation op = ops.get(i);
+	    if (results[i] == null) {
+		log.error("MultiRead error, skipping {}, {}", op.getTableId(), op);
+		fail_exists = true;
+		op.setStatus(STATUS.FAILED);
+		continue;
+	    }
+	    assert (Arrays.equals(results[i].key, op.getKey()));
+
+	    op.setValue(results[i].value, results[i].version);
+	    if (results[i].version == JRamCloud.VERSION_NONEXISTENT) {
+		fail_exists = true;
+		op.setStatus(STATUS.FAILED);
+	    } else {
+		op.setStatus(STATUS.SUCCESS);
+	    }
+	}
+
+	return fail_exists;
+    }
+
+    private boolean multiWriteInternal(final ArrayList<RCMultiEntryOperation> ops) {
+	boolean fail_exists = false;
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+
+	final int reqs = ops.size();
+
+	MultiWriteObject multiWriteObjects = new MultiWriteObject(reqs);
+
+	for (int i = 0; i < reqs; ++i) {
+
+	    IModifiableMultiEntryOperation op = ops.get(i);
+	    RejectRules rules = new RejectRules();
+
+	    switch (op.getOperation()) {
+	    case CREATE:
+		rules.rejectIfExists();
+		break;
+	    case FORCE_CREATE:
+		// no reject rule
+		break;
+	    case UPDATE:
+		rules.rejectIfDoesntExists();
+		rules.rejectIfNeVersion(op.getVersion());
+		break;
+
+	    default:
+		log.error("Invalid operation {} specified on multiWriteInternal", op.getOperation() );
+		fail_exists = true;
+		op.setStatus(STATUS.FAILED);
+		return fail_exists;
+	    }
+	    multiWriteObjects.setObject(i, ((RCTableID)op.getTableId()).getTableID(), op.getKey(), op.getValue(), rules);
+	}
+
+	MultiWriteRspObject[] results = rcClient.multiWrite(multiWriteObjects.tableId, multiWriteObjects.key, multiWriteObjects.keyLength, multiWriteObjects.value, multiWriteObjects.valueLength, ops.size(), multiWriteObjects.rules);
+	if (results.length != reqs) {
+	    log.error("multiWrite returned unexpected number of results. (requested:{}, returned:{})", reqs, results.length);
+	    fail_exists = true;
+	}
+
+	for (int i = 0; i < results.length; ++i) {
+	    IModifiableMultiEntryOperation op = ops.get(i);
+
+	    if (results[i] != null
+		    && results[i].getStatus() == RCClient.STATUS_OK) {
+		op.setStatus(STATUS.SUCCESS);
+		op.setVersion(results[i].getVersion());
+	    } else {
+		op.setStatus(STATUS.FAILED);
+		fail_exists = true;
+	    }
+	}
+
+	return fail_exists;
+    }
+
+    private static final ConcurrentHashMap<String, RCTable> tables = new ConcurrentHashMap<>();
+
+    @Override
+    public IKVTable getTable(final String tableName) {
+	RCTable table = tables.get(tableName);
+	if (table == null) {
+	    RCTable new_table = new RCTable(tableName);
+	    RCTable existing_table = tables
+		    .putIfAbsent(tableName, new_table);
+	    if (existing_table != null) {
+		return existing_table;
+	    } else {
+		return new_table;
+	    }
+	}
+	return table;
+    }
+
+    @Override
+    public void dropTable(IKVTable table) {
+	JRamCloud rcClient = RCClient.getJRamCloudClient();
+	rcClient.dropTable(table.getTableId().getTableName());
+	tables.remove(table.getTableId().getTableName());
+    }
+
+    static final long VERSION_NONEXISTENT = JRamCloud.VERSION_NONEXISTENT;
+
+    @Override
+    public long VERSION_NONEXISTENT() {
+	return VERSION_NONEXISTENT;
+    }
+}