diff --git a/RPC/client.c b/RPC/client.c
new file mode 100644
index 0000000..e69de29
diff --git a/RPC/server.c b/RPC/server.c
new file mode 100644
index 0000000..6d8350d
--- /dev/null
+++ b/RPC/server.c
@@ -0,0 +1,84 @@
+#include "server.h"
+
+void traiterClient(int socket){
+
+	requete req;
+	int nb_octet;
+	int fini=0;
+	
+	while(!fini){
+
+		nb_octet = read(socket,&req,sizeof(req));
+		IF_NB_OCTET_BREAK
+
+		switch(req.type){
+		
+			case FIN:
+			{
+				fini = 1;
+				break;
+			}
+			
+			case FACTO:
+			{
+			
+				int nb;
+				long res;
+				
+				nb_octet = read(socket, &nb, sizeof(int));
+				IF_NB_OCTET_BREAK
+				
+				res = factoriel(nb);
+				nb_octet = write(socket, &res, sizeof(res));
+				IF_NB_OCTET_BREAK
+				
+				break;
+			}
+				
+			case POW:
+			{
+				int a,b;
+				long res;
+				
+				nb_octet = read(socket, &a, sizeof(int));
+				IF_NB_OCTET_BREAK
+				
+				nb_octet = read(socket, &b, sizeof(int));
+				IF_NB_OCTET_BREAK
+				
+				res = puissance(a,b);
+				nb_octet = write(socket, &res, sizeof(res));
+				IF_NB_OCTET_BREAK
+			
+				break;
+			}
+				
+			case ANALYSE:
+			{
+				int nb_elem, attendu;
+				int* donnees;
+				char message[MAX_BUFFER_LENGTH];
+				res_analyse_donnees res;
+				
+				nb_elem = req.taille/sizeof(int);
+				donnees = (int*) malloc(nb_elem*sizeof(int));
+				attendu = req.taille;
+				
+				while(attendu > 0){
+					nb_octet = read(socket, message, MAX_BUFFER_LENGTH);
+					IF_NB_OCTET_BREAK
+					memcpy(donnees+(req.taille - attendu), message,nb_octet);
+					attendu -= nb_octet;
+				}
+				
+				analyse(donnees,nb_elem,&res);
+				write(socket, &res, sizeof(res));
+				free (donnees);
+				
+				break;
+			}
+		}
+
+	}
+	
+}
diff --git a/RPC/server.h b/RPC/server.h
new file mode 100644
index 0000000..abadb6f
--- /dev/null
+++ b/RPC/server.h
@@ -0,0 +1,16 @@
+#ifndef _RPCSERVER_H_
+
+	#define _RPCSERVER_H_
+
+	#include <unistd.h>
+	#include <stdlib.h>
+	#include <string.h>
+	#include "../calculs.h"
+	#include "../lib.h"
+	
+	#define IF_NB_OCTET_BREAK if(nb_octet == -1){fini = 1; break;}
+	#define MAX_BUFFER_LENGTH 200
+
+	void traiterClient(int socket);
+
+#endif
diff --git a/calculs.c b/calculs.c
new file mode 100644
index 0000000..b5f17f8
--- /dev/null
+++ b/calculs.c
@@ -0,0 +1,41 @@
+#include "calculs.h"
+
+long factoriel(int nb)
+{
+  int i;
+  long res;
+  res = 1;
+  for (i=nb;i>1;i--)
+    res = res * i;
+  return res;
+}
+
+
+void analyser_donnees(int donnees[], int taille, res_analyse_donnees *res)
+{
+  int i;
+  long somme;
+
+  res -> min = donnees[0];
+  res -> max = donnees[0];
+  somme = donnees[0];
+  
+  for (i=1; i < taille; i++)
+    {
+      if (donnees[i] > res -> max) res -> max = donnees[i];
+      if (donnees[i] < res -> min) res -> min = donnees[i];
+      somme += donnees[i];
+    }
+  res -> moy = ((float)somme) / taille;
+}
+
+long puissance(int nb, int puiss)
+{ 
+  long res = nb;
+  int i;
+  for (i=1; i < puiss; i++)
+    res = res * nb;
+  return res;
+}
+
+
diff --git a/calculs.h b/calculs.h
new file mode 100644
index 0000000..28e0ba8
--- /dev/null
+++ b/calculs.h
@@ -0,0 +1,15 @@
+#ifndef _CALCULS_H_
+
+	typedef struct {
+	  float moy;
+	  int max;
+	  int min;
+	}res_analyse_donnees;
+
+	long factoriel(int nb);
+
+	void analyser_donnees(int donnees[], int taille, res_analyse_donnees *res);
+
+	long puissance(int nb, int puiss);
+
+#endif
diff --git a/lib.h b/lib.h
index ff7423c..e31a55b 100644
--- a/lib.h
+++ b/lib.h
@@ -37,4 +37,23 @@
 
 	int xread(const int xsocket, char* buffer, int bufsize);
 	int xwrite(const int xsocket, char* buffer);
+
+
+	/************************************************
+	****                  Structs                ****
+	************************************************/
+
+	typedef enum
+	{
+		FIN=0,
+		FACTO=1,
+		POW=2,
+		ANALYSE=3
+	}requete_t;
+
+	typedef struct {
+		requete_t type;
+		int taille;
+	}requete;
+
 #endif
diff --git a/makefile b/makefile
index 7ca2720..cf86cc3 100644
--- a/makefile
+++ b/makefile
@@ -10,12 +10,17 @@ server.o: lib.h server.h server.c
 lib.o: lib.h lib.c
 	gcc $(CC) -c -o lib.o lib.c
 
-server: lib.o server.o
-	gcc $(CC) -o server lib.o server.o
+server: lib.o server.o serverRPC.o
+	gcc $(CC) -o server lib.o server.o serverRPC.o
 
 client: lib.o client.o
 	gcc $(CC) -o client lib.o client.o
 
+clientRPC.o: calculs.h RPC/client.c
+	gcc $(CC) -c -o clientRPC.o RPC/client.c
+
+serverRPC.o: RPC/server.c RPC/server.h calculs.h
+	gcc $(CC) -c -o serverRPC.o RPC/server.c