diff --git a/src/bin/testnode.rs b/src/bin/testnode.rs
index e01a36c07..41c6550db 100644
--- a/src/bin/testnode.rs
+++ b/src/bin/testnode.rs
@@ -10,7 +10,7 @@ use solana::bank::Bank;
 use solana::crdt::ReplicatedData;
 use solana::entry::Entry;
 use solana::event::Event;
-use solana::rpu::Rpu;
+use solana::server::Server;
 use solana::signature::{KeyPair, KeyPairUtil};
 use std::env;
 use std::io::{stdin, stdout, Read};
@@ -138,7 +138,7 @@ fn main() {
     let respond_socket = UdpSocket::bind(local.clone()).unwrap();
 
     eprintln!("starting server...");
-    let rpu = Rpu::new(
+    let server = Server::new(
         bank,
         last_id,
         Some(Duration::from_millis(1000)),
@@ -151,7 +151,7 @@ fn main() {
         stdout(),
     );
     eprintln!("Ready. Listening on {}", serve_addr);
-    for t in rpu.thread_hdls {
+    for t in server.thread_hdls {
         t.join().expect("join");
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 993b04cb8..7439d16a8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -21,6 +21,7 @@ pub mod request_processor;
 pub mod request_stage;
 pub mod result;
 pub mod rpu;
+pub mod server;
 pub mod sig_verify_stage;
 pub mod signature;
 pub mod streamer;
diff --git a/src/server.rs b/src/server.rs
new file mode 100644
index 000000000..e8893d15b
--- /dev/null
+++ b/src/server.rs
@@ -0,0 +1,47 @@
+//! The `server` module hosts all the server microservices.
+
+use bank::Bank;
+use crdt::ReplicatedData;
+use hash::Hash;
+use rpu::Rpu;
+use std::io::Write;
+use std::net::UdpSocket;
+use std::sync::Arc;
+use std::sync::atomic::AtomicBool;
+use std::thread::JoinHandle;
+use std::time::Duration;
+
+pub struct Server {
+    pub thread_hdls: Vec<JoinHandle<()>>,
+}
+
+impl Server {
+    pub fn new<W: Write + Send + 'static>(
+        bank: Bank,
+        start_hash: Hash,
+        tick_duration: Option<Duration>,
+        me: ReplicatedData,
+        requests_socket: UdpSocket,
+        broadcast_socket: UdpSocket,
+        respond_socket: UdpSocket,
+        gossip: UdpSocket,
+        exit: Arc<AtomicBool>,
+        writer: W,
+    ) -> Self {
+        let rpu = Rpu::new(
+            bank,
+            start_hash,
+            tick_duration,
+            me,
+            requests_socket,
+            broadcast_socket,
+            respond_socket,
+            gossip,
+            exit,
+            writer,
+        );
+        Server {
+            thread_hdls: rpu.thread_hdls,
+        }
+    }
+}
diff --git a/src/thin_client.rs b/src/thin_client.rs
index 575db0c55..28aff97c6 100644
--- a/src/thin_client.rs
+++ b/src/thin_client.rs
@@ -160,7 +160,7 @@ mod tests {
     use logger;
     use mint::Mint;
     use plan::Plan;
-    use rpu::Rpu;
+    use server::Server;
     use signature::{KeyPair, KeyPairUtil};
     use std::io::sink;
     use std::sync::atomic::{AtomicBool, Ordering};
@@ -199,7 +199,7 @@ mod tests {
         let broadcast_socket = UdpSocket::bind(local).unwrap();
         let respond_socket = UdpSocket::bind(local.clone()).unwrap();
 
-        let rpu = Rpu::new(
+        let server = Server::new(
             bank,
             alice.last_id(),
             Some(Duration::from_millis(30)),
@@ -234,7 +234,7 @@ mod tests {
         }
         assert_eq!(balance.unwrap(), 500);
         exit.store(true, Ordering::Relaxed);
-        for t in rpu.thread_hdls {
+        for t in server.thread_hdls {
             t.join().unwrap();
         }
     }
@@ -254,7 +254,7 @@ mod tests {
         let broadcast_socket = UdpSocket::bind(local).unwrap();
         let respond_socket = UdpSocket::bind(local.clone()).unwrap();
 
-        let rpu = Rpu::new(
+        let server = Server::new(
             bank,
             alice.last_id(),
             Some(Duration::from_millis(30)),
@@ -293,7 +293,7 @@ mod tests {
         trace!("exiting");
         exit.store(true, Ordering::Relaxed);
         trace!("joining threads");
-        for t in rpu.thread_hdls {
+        for t in server.thread_hdls {
             t.join().unwrap();
         }
     }
@@ -405,7 +405,7 @@ mod tests {
         let broadcast_socket = UdpSocket::bind(local).unwrap();
         let respond_socket = UdpSocket::bind(local.clone()).unwrap();
 
-        let rpu = Rpu::new(
+        let server = Server::new(
             leader_bank,
             alice.last_id(),
             None,
@@ -418,7 +418,7 @@ mod tests {
             sink(),
         );
 
-        let mut threads = rpu.thread_hdls;
+        let mut threads = server.thread_hdls;
         for _ in 0..N {
             replicant(&leader.0, exit.clone(), &alice, &mut threads);
         }