--- a/C++/SocketAddress.h	Sun Sep 28 21:15:26 2014 +0200
+++ b/C++/SocketAddress.h	Mon Sep 29 12:57:43 2014 +0200
@@ -66,6 +66,24 @@
 	 * @return the address
 	 */
 	const sockaddr_storage &address() const;
+
+	/**
+	 * Compare the addresses. The check is lexicographical.
+	 *
+	 * @param s1 the first address
+	 * @param s2 the second address
+	 * @return true if s1 is less than s2
+	 */
+	friend bool operator<(const SocketAddress &s1, const SocketAddress &s2);
+
+	/**
+	 * Compare the addresses.
+	 *
+	 * @param s1 the first address
+	 * @param s2 the second address
+	 * @return true if s1 == s2
+	 */
+	friend bool operator==(const SocketAddress &s1, const SocketAddress &s2);
 };
 
 namespace address {