diff --git a/src/bin/client-demo.rs b/src/bin/client-demo.rs
index e1a0b192a36930..92bc03e06e9db0 100644
--- a/src/bin/client-demo.rs
+++ b/src/bin/client-demo.rs
@@ -301,20 +301,18 @@ fn main() {
 }
 
 fn mk_client(r: &ReplicatedData) -> ThinClient {
-    let transactions_socket_pair = udp_public_bind("transactions");
-    let requests_socket_pair = udp_public_bind("requests");
+    let requests_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
+    let transactions_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
 
-    requests_socket_pair
-        .receiver
+    requests_socket
         .set_read_timeout(Some(Duration::new(1, 0)))
         .unwrap();
 
     ThinClient::new(
         r.requests_addr,
-        requests_socket_pair.sender,
-        requests_socket_pair.receiver,
+        requests_socket,
         r.transactions_addr,
-        transactions_socket_pair.sender,
+        transactions_socket,
     )
 }
 
diff --git a/src/bin/wallet.rs b/src/bin/wallet.rs
index 6adc10a8a6f8f4..d290de898373e8 100644
--- a/src/bin/wallet.rs
+++ b/src/bin/wallet.rs
@@ -12,7 +12,6 @@ use clap::{App, Arg, SubCommand};
 use solana::crdt::ReplicatedData;
 use solana::drone::DroneRequest;
 use solana::mint::Mint;
-use solana::nat::udp_public_bind;
 use solana::signature::{PublicKey, Signature};
 use solana::thin_client::ThinClient;
 use std::error;
@@ -20,7 +19,7 @@ use std::fmt;
 use std::fs::File;
 use std::io;
 use std::io::prelude::*;
-use std::net::{IpAddr, Ipv4Addr, SocketAddr, TcpStream};
+use std::net::{IpAddr, Ipv4Addr, SocketAddr, TcpStream, UdpSocket};
 use std::process::exit;
 use std::thread::sleep;
 use std::time::Duration;
@@ -288,19 +287,17 @@ fn read_mint(path: String) -> Result<Mint, Box<error::Error>> {
 }
 
 fn mk_client(r: &ReplicatedData) -> io::Result<ThinClient> {
-    let transactions_socket_pair = udp_public_bind("transactions");
-    let requests_socket_pair = udp_public_bind("requests");
-    requests_socket_pair
-        .receiver
+    let requests_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
+    let transactions_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
+    requests_socket
         .set_read_timeout(Some(Duration::new(1, 0)))
         .unwrap();
 
     Ok(ThinClient::new(
         r.requests_addr,
-        requests_socket_pair.sender,
-        requests_socket_pair.receiver,
+        requests_socket,
         r.transactions_addr,
-        transactions_socket_pair.sender,
+        transactions_socket,
     ))
 }
 
diff --git a/src/drone.rs b/src/drone.rs
index 53c673c024d7e7..edf10392cf6699 100644
--- a/src/drone.rs
+++ b/src/drone.rs
@@ -99,7 +99,6 @@ impl Drone {
 
         let mut client = ThinClient::new(
             self.requests_addr,
-            requests_socket.try_clone().unwrap(),
             requests_socket,
             self.transactions_addr,
             transactions_socket,
@@ -293,7 +292,6 @@ mod tests {
 
         let mut client = ThinClient::new(
             leader.data.requests_addr,
-            requests_socket.try_clone().unwrap(),
             requests_socket,
             leader.data.transactions_addr,
             transactions_socket,
diff --git a/src/thin_client.rs b/src/thin_client.rs
index f24067cccd5278..bdc25ea1ed1ab9 100644
--- a/src/thin_client.rs
+++ b/src/thin_client.rs
@@ -15,8 +15,7 @@ use transaction::Transaction;
 /// An object for querying and sending transactions to the network.
 pub struct ThinClient {
     requests_addr: SocketAddr,
-    requests_sender: UdpSocket,
-    requests_receiver: UdpSocket,
+    requests_socket: UdpSocket,
     transactions_addr: SocketAddr,
     transactions_socket: UdpSocket,
     last_id: Option<Hash>,
@@ -31,15 +30,13 @@ impl ThinClient {
     /// to a public address before invoking ThinClient methods.
     pub fn new(
         requests_addr: SocketAddr,
-        requests_sender: UdpSocket,
-        requests_receiver: UdpSocket,
+        requests_socket: UdpSocket,
         transactions_addr: SocketAddr,
         transactions_socket: UdpSocket,
     ) -> Self {
         let client = ThinClient {
             requests_addr,
-            requests_sender,
-            requests_receiver,
+            requests_socket,
             transactions_addr,
             transactions_socket,
             last_id: None,
@@ -53,7 +50,7 @@ impl ThinClient {
     pub fn recv_response(&self) -> io::Result<Response> {
         let mut buf = vec![0u8; 1024];
         trace!("start recv_from");
-        self.requests_receiver.recv_from(&mut buf)?;
+        self.requests_socket.recv_from(&mut buf)?;
         trace!("end recv_from");
         let resp = deserialize(&buf).expect("deserialize balance in thin_client");
         Ok(resp)
@@ -115,7 +112,7 @@ impl ThinClient {
         trace!("get_balance");
         let req = Request::GetBalance { key: *pubkey };
         let data = serialize(&req).expect("serialize GetBalance in pub fn get_balance");
-        self.requests_sender
+        self.requests_socket
             .send_to(&data, &self.requests_addr)
             .expect("buffer error in pub fn get_balance");
         let mut done = false;
@@ -139,7 +136,7 @@ impl ThinClient {
             serialize(&req).expect("serialize GetTransactionCount in pub fn transaction_count");
         let mut done = false;
         while !done {
-            self.requests_sender
+            self.requests_socket
                 .send_to(&data, &self.requests_addr)
                 .expect("buffer error in pub fn transaction_count");
 
@@ -163,7 +160,7 @@ impl ThinClient {
         let mut done = false;
         while !done {
             debug!("get_last_id send_to {}", &self.requests_addr);
-            self.requests_sender
+            self.requests_socket
                 .send_to(&data, &self.requests_addr)
                 .expect("buffer error in pub fn get_last_id");
 
@@ -205,7 +202,7 @@ impl ThinClient {
         let data = serialize(&req).expect("serialize GetSignature in pub fn check_signature");
         let mut done = false;
         while !done {
-            self.requests_sender
+            self.requests_socket
                 .send_to(&data, &self.requests_addr)
                 .expect("buffer error in pub fn get_last_id");
 
@@ -267,7 +264,6 @@ mod tests {
 
         let mut client = ThinClient::new(
             leader.data.requests_addr,
-            requests_socket.try_clone().unwrap(),
             requests_socket,
             leader.data.transactions_addr,
             transactions_socket,
@@ -315,7 +311,6 @@ mod tests {
         let transactions_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
         let mut client = ThinClient::new(
             leader.data.requests_addr,
-            requests_socket.try_clone().unwrap(),
             requests_socket,
             leader.data.transactions_addr,
             transactions_socket,
@@ -374,7 +369,6 @@ mod tests {
         let transactions_socket = UdpSocket::bind("0.0.0.0:0").unwrap();
         let mut client = ThinClient::new(
             leader.data.requests_addr,
-            requests_socket.try_clone().unwrap(),
             requests_socket,
             leader.data.transactions_addr,
             transactions_socket,
diff --git a/tests/multinode.rs b/tests/multinode.rs
index bd2acc3a2c6196..9ef8916318eb84 100644
--- a/tests/multinode.rs
+++ b/tests/multinode.rs
@@ -246,7 +246,6 @@ fn mk_client(leader: &ReplicatedData) -> ThinClient {
 
     ThinClient::new(
         leader.requests_addr,
-        requests_socket.try_clone().unwrap(),
         requests_socket,
         leader.transactions_addr,
         transactions_socket,