diff --git a/channel.js b/channel.js
index d882afc..0560dab 100644
--- a/channel.js
+++ b/channel.js
@@ -1,6 +1,4 @@
 import { string, num, promise, fun } from "lively.lang";
-import { L2LChannel } from "lively.sync/l2lchannel.js";
-import L2LClient from "lively.2lively/client.js";
 var debug = false;
 
 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
diff --git a/l2lchannel.js b/l2lchannel.js
index 0904cfa..bdd5243 100644
--- a/l2lchannel.js
+++ b/l2lchannel.js
@@ -1,23 +1,33 @@
 import L2LClient from "lively.2lively/client.js";
-import L2LTracker from "lively.2lively/tracker.js";
-import { string, promise } from "lively.lang";
+import { string, num, promise, fun } from "lively.lang";
 
-export class L2LChannel {
-  constructor(sender, master){
-    
+export class Channel {
+  constructor(senderRecvrA, onReceivedMethodA, senderRecvrB, onReceivedMethodB){
+      if (!senderRecvrA) throw new Error("no sender / receiver a!");
+      if (!senderRecvrB) throw new Error("no sender / receiver b!");
+      if (typeof senderRecvrA[onReceivedMethodA] !== "function") throw new Error(`sender a has no receive method ${onReceivedMethodA}!`);
+      if (typeof senderRecvrB[onReceivedMethodB] !== "function") throw new Error(`sender b has no receive method ${onReceivedMethodB}!`);
+      var l2lA = Channel.makeL2LClient(),
+      l2lB = Channel.makeL2LClient();      
+      this.senderRecvrA = senderRecvrA;
+      this.senderRecvrA.l2lclient = l2lA
+      this.onReceivedMethodA = onReceivedMethodA;
+      this.onReceivedMethodB = onReceivedMethodB;
+      this.senderRecvrB = senderRecvrB;
+      this.senderRecvrB.l2lclient = l2lB
+      this.queueAtoB = [];
+      this.queueBtoA = [];
+      this.delayAtoB = 0;
+      this.delayBtoA = 0;
+      this.online = false;
+      this.lifetime = 100;
+      // this._watchdogProcess = null
+      this.goOnline();
   }
 
-  static makeMaster(hostname,port, namespace,io){
-    var path;
-    hostname ? {} : hostname = 'localhost'
-    port ? {} : port = '9011'
-    namespace ? {} : namespace = '/l2l'
-    io ? path = io.path() : path = '/lively-socket.io'
-    var origin = `http://${hostname}:${port}`,
-    master = new L2LClient(origin,path,namespace)
-    master.open();
-    master.register();
-    return master;
+  static makeL2LClient(hostname,port, namespace,io){
+    var client = L2LClient.forceNew({})
+    return client
   }
 
   toString() {
@@ -25,8 +35,38 @@ export class L2LChannel {
   }
 
   isOnline() { return this.online; }
-  goOffline() { this.online = false; }
-  goOnline() { this.online = true; this.watchdogProcess(); }
+  
+  goOffline() {
+    console.log(this)
+    this.online = false;
+    var status = {senderRecvrA : null,senderRecvrB : null}
+    if (this.senderRecvrA && this.senderRecvrA.l2lclient) {
+      this.senderRecvrA.l2lclient.remove()
+      console.log('senderRecvrA disconnected')
+      status.senderRecvrA = 'offline'
+    } else {
+      status.senderRecvrA = 'online'
+      console.log('senderRecvrA not disconnected');
+      
+    }
+    if (this.senderRecvrB && this.senderRecvrB.l2lclient) {
+      this.senderRecvrB.l2lclient.remove()
+      console.log('senderRecvrB disconnected')
+      status.senderRecvrB = 'offline'
+    } else {
+      console.log('senderRecvrB not disconnected');
+      status.senderRecvrB = 'online'
+    }
+    return status
+  }
+
+  async goOnline() {    
+    await this.senderRecvrA.l2lclient.whenRegistered(300)
+    await this.senderRecvrB.l2lclient.whenRegistered(300)
+    
+    this.online = true;
+    this.watchdogProcess();
+  }
 
   watchdogProcess() {
     if (!this.isOnline() || this._watchdogProcess) return;
@@ -57,27 +97,7 @@ export class L2LChannel {
 
   deliver(sender) {
   }
-  
-  static async create(client,master,options){
-    if (options){
-      var {hostname, port, namespace, io} = options;
-    }
-    var connection =  new this(client,master,options);
-    await connection.master.whenRegistered(300)
-    connection.master.sendTo(connection.master.trackerId,'joinRoom',{roomName: connection.master.socketId.split('#')[1]})
-    connection.sender.sendTo(connection.sender.trackerId,'joinRoom',{roomName: connection.master.socketId.split('#')[1]})
 
-    connection.online = true;
-    return connection;
-  }
   
-  isOnline() { return this.online; }
-  getMembers(){ return {sender: this.sender, master: this.master}}
   
-  async close(){
-     this.sender.sendTo(this.sender.trackerId,'leaveRoom',{roomName: this.master.socketId.split('#')[1]})
-     this.master.sendTo(this.master.trackerId,'leaveRoom',{roomName: this.master.socketId.split('#')[1]})
-    await this.master.remove();
-    this.online = false;
-  }
 }
\ No newline at end of file
diff --git a/tests/sync-test.js b/tests/sync-test.js
index 352ad6c..b8c045d 100644
--- a/tests/sync-test.js
+++ b/tests/sync-test.js
@@ -8,7 +8,7 @@ import { disconnect, disconnectAll, connect } from "lively.bindings";
 import { buildTestWorld, destroyTestWorld } from "./helper.js";
 import { Client } from "../client.js";
 import { Master } from "../master.js";
-import { L2LChannel } from "../l2lchannel.js";
+import { Channel as L2LChannel } from "../l2lchannel.js";
 import L2LClient from "lively.2lively/client.js";
 import L2LTracker from "lively.2lively/tracker.js";
 
@@ -87,72 +87,34 @@ describe("messaging between master and client", () => {
 
 });
 
-// describe("lively2lively backchannel tests", function() {
-//   this.timeout(1*1000)
-// 
-//   beforeEach(async () => setup(2));
-//   afterEach(async () => teardown());
-// 
-//   it("set up socket.io backchannel for messaging", async () => {
-//     var url = 'http://localhost:9011/lively-socket.io',
-//     namespace = '/l2l',    
-//     hostname = 'localhost',
-//     port = '9011',
-//     namespace = '/l2l',
-//     path = '/lively-socket.io',
-//     origin = `http://${hostname}:${port}`,
-//     //Create new client for test
-//     client = new L2LClient(origin,path,namespace)
-//     client.open();
-//     client.register();
-//     await client.whenRegistered(300)
-//     //Create channel
-//     var testChannel = await L2LChannel.create(client)
-// 
-//     //Verify that client is the 'sender'
-//     expect(client).equals(testChannel.sender);
-//     //Verify that both master and sender are instances of L2LClient
-//     expect((testChannel.master instanceof L2LClient) &&  (testChannel.sender instanceof L2LClient)).equals(true);
-//     //tear down channel and extra client
-//     testChannel.close();
-//     await client.remove()    
-//   });
-//   it("create channel with master and two clients", async () => {
-//   
-//   var url = 'http://localhost:9011/lively-socket.io',
-//     namespace = '/l2l',    
-//     hostname = 'localhost',
-//     port = '9011',
-//     namespace = '/l2l',
-//     path = '/lively-socket.io',
-//     origin = `http://${hostname}:${port}`,
-//     client = new L2LClient(origin,path,namespace)
-//     client.open();
-//     client.register();
-//     await client.whenRegistered(300)
-//     var client2 = new L2LClient(origin,path,namespace);
-//     client2.open();
-//     client2.register();
-//     await client2.whenRegistered(300)
-// 
-//     var testChannel1 = await L2LChannel.create(client)
-//     var testChannel2 = await L2LChannel.create(client2,testChannel1.master)
-// 
-//     // console.log(testChannel1.master.socketId.split('#')[1])
-//     var roomContents;
-//     client.sendTo(client.trackerId,'listRoom',{roomName: testChannel1.master.socketId.split('#')[1]},(a) => roomContents = a.data.sockets)
-//     await promise.waitFor(200, () => roomContents);    
-//     expect(roomContents.hasOwnProperty(client.socketId)).equals(true)
-//     expect(roomContents.hasOwnProperty(client2.socketId)).equals(true)
-//     expect(roomContents.hasOwnProperty(testChannel1.master.socketId)).equals(true)
-//     testChannel1.close();
-//     testChannel2.close();
-//     
-//     await client.remove();
-//     await client2.remove();
-//   })
-// 
-// })
+    
+
+describe("lively2lively backchannel tests", function() {
+  this.timeout(1*1000)
+
+  beforeEach(async () => setup(2));
+  afterEach(async () => teardown());
+
+  it("ensure clients have l2l clients", async () => {
+    
+    var {world1, masterWorld, client1, master} = state;    
+    var testChannel = new L2LChannel(client1, "receiveOpsFromMaster", master, "receiveOpsFromClient")
+   
+    expect((testChannel.senderRecvrA.l2lclient) &&  (testChannel.senderRecvrA.l2lclient instanceof L2LClient)).equals(true,'client A not L2LClient')
+    expect((testChannel.senderRecvrB.l2lclient) &&  (testChannel.senderRecvrB.l2lclient instanceof L2LClient)).equals(true,'client B not L2LClient')
+
+    await testChannel.senderRecvrA.l2lclient.whenRegistered(300)
+    await testChannel.senderRecvrB.l2lclient.whenRegistered(300)
+    
+    window.testChannel = testChannel;
+    console.log(testChannel);
+    window.testChannel = testChannel;
+    
+    testChannel.goOffline();
+  })
+
+})
+
 
 describe("syncing master with two clients", function() {