diff --git a/js/dos/test/server.js b/js/dos/test/server.js
new file mode 100644
index 0000000..080f250
--- /dev/null
+++ b/js/dos/test/server.js
@@ -0,0 +1,92 @@
+
+"use strict";
+
+var util = require('util');
+var Io = require('../io');
+var Net = require('../network');
+var Sch = require('../scheduler');
+var Conn = require('../connection');
+var Buf = require('../buf');
+var Rpc = require('../rpc');
+var Router = require('../router');
+var assert = require('../compat').assert;
+var Status = Net.Status;
+
+var privhostport = Net.port_name('server');
+var pubhostport = Net.prv2pub(privhostport);
+
+
+var scheduler = new Sch.Scheduler();
+var conn = Conn.Connection(Net.uniqport(),'localhost',3000);
+conn.init();
+var router = Router.Router(pubhostport);
+router.connection_broker(conn);
+var rpc = Rpc.Rpc(router);
+router.init();
+
+var privportA = Net.port_name('myserverA');
+var pubportA = Net.prv2pub(privportA);
+var privportB = Net.port_name('remoteB');
+var pubportB = Net.prv2pub(privportB);
+
+
+var server = function (port) {
+    // Server
+    var self = this;
+    var rpcio = router.pkt_get();
+
+    this.init = function () {
+        Io.out('[SERV] init');
+        router.add_port(pubportB);
+    };
+
+    this.request = function () {
+        Io.out('[SERV] request');
+        rpcio.init();
+        rpcio.operation = Rpc.Operation.GETREQ;
+        rpcio.header.h_port = port;
+        rpcio.header.h_status=undefined;
+        rpcio.header.h_command=undefined;
+        rpcio.header.h_priv=undefined;
+        // Io.out(util.inspect(rpcio));
+        rpc.getreq(rpcio);
+        assert(rpcio.index!=-1,'RPCIO invalid');
+    };
+
+    this.service = function () {
+        Io.out('[SERV] service');
+        assert(rpcio.index!=-1,'RPCIO invalid');
+        Io.out(Net.Print.header(rpcio.header));
+        Io.out(Buf.buf_print(rpcio));
+    };
+
+    this.reply = function () {
+        rpcio.header.h_status=Status.STD_OK;
+        Buf.buf_put_string(rpcio,'<status>OK</status>');
+        Io.out('[SERV] reply '+Net.Print.header(rpcio.header));
+        rpc.putrep(rpcio);
+        assert(rpcio.index!=-1,'RPCIO invalid');
+    };
+
+    this.transitions = function () {
+        var trans;
+        trans =
+            [
+                [undefined, this.init, function (self) {return true}],
+                [this.init, this.request, function (self) {return true}],
+                [this.request, this.service, function (self) {return !self.context.blocked}],
+                [this.service, this.reply, function (self) {return true}],
+                [this.reply, this.request, function (self) {return true}]
+            ];
+        return trans;
+    };
+    this.context = Sch.Context('server'+Net.Print.port(port), self);
+};
+
+
+var proc1 = new server(privportB);
+scheduler.Add(proc1.context);
+scheduler.Init();
+scheduler.Run();
+
+router.start(100);