diff --git a/README.md b/README.md
index cd66e07..1f8cf27 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ API documentation is available [here](https://bitchan.github.io/bitmessage/docs/
 - [x] High-level classes
   - [x] Address
   - [x] UserAgent
-- [ ] Network
+- [ ] Network transports
   - [ ] TCP (Node.js only)
   - [ ] WebSocket
   - [ ] WebRTC
diff --git a/lib/net/base.js b/lib/net/base.js
new file mode 100644
index 0000000..19cb5e1
--- /dev/null
+++ b/lib/net/base.js
@@ -0,0 +1,78 @@
+/**
+ * Networking base module. You should import some transport instead in
+ * order to connect/accept connections to/from other nodes.
+ * @module bitmessage/net/base
+ */
+// TODO(Kagami): Write some sort of tutorial.
+
+"use strict";
+
+var inherits = require("inherits");
+var EventEmitter = require("events").EventEmitter;
+var PPromise = require("./platform").Promise;
+
+/**
+ * Network transport base class.
+ * @constructor
+ * @static
+ */
+function BaseTransport() {
+  BaseTransport.super_.call(this);
+}
+
+inherits(BaseTransport, EventEmitter);
+
+/**
+ * Seed nodes for this transport. Consist of `[host, port]` pairs.
+ * Note that this nodes shouldn't be advertised via `addr` messages.
+ * @const {Array.}
+ */
+BaseTransport.prototype.SEED_NODES = [];
+
+/**
+ * Do the transport-specific bootstrap process and return promise that
+ * contains discovered nodes when fulfilled.
+ * @return {Promise.<Array.>}
+ */
+BaseTransport.prototype.bootstrap = function() {
+  return PPromise.resolve([].concat(this.SEED_NODES));
+};
+
+/**
+ * Connect to the transport-specific address.
+ * Should emit `open` event when the connection is established.
+ * @abstract
+ */
+BaseTransport.prototype.connect = function() {
+  throw new Error("Not implemented");
+};
+
+/**
+ * Send [message]{@link module:bitmessage/structs.message} over the
+ * wire.
+ * @param {Buffer} msg - Encoded message
+ * @abstract
+ */
+BaseTransport.prototype.send = function() {
+  throw new Error("Not implemented");
+};
+
+/**
+ * Close connection.
+ * @abstract
+ */
+BaseTransport.prototype.close = function() {
+  throw new Error("Not implemented");
+};
+
+/**
+ * Listen for the transport-specific incoming connections.
+ * Should emit `connection` event with a transport instance for each new
+ * connection.
+ * @abstract
+ */
+BaseTransport.prototype.listen = function() {
+  throw new Error("Not implemented");
+};
+
+exports.BaseTransport = BaseTransport;
diff --git a/lib/net/index.js b/lib/net/index.js
deleted file mode 100644
index e69de29..0000000
diff --git a/lib/net/tcp.browser.js b/lib/net/tcp.browser.js
index e69de29..3e631c2 100644
--- a/lib/net/tcp.browser.js
+++ b/lib/net/tcp.browser.js
@@ -0,0 +1 @@
+throw new Error("Not implemented");
diff --git a/lib/net/tcp.js b/lib/net/tcp.js
index e69de29..c6dd9f7 100644
--- a/lib/net/tcp.js
+++ b/lib/net/tcp.js
@@ -0,0 +1,22 @@
+/**
+ * TCP transport for Node. Should be compatible with PyBitmessage.
+ * @module bitmessage/net/tcp
+ */
+
+"use strict";
+
+var inherits = require("inherits");
+var BaseTransport = require("./base").BaseTransport;
+
+/**
+ * TCP transport constructor.
+ * @constructor
+ * @static
+ */
+function Transport() {
+  Transport.super_.call(this);
+}
+
+inherits(Transport, BaseTransport);
+
+exports.Transport = Transport;
diff --git a/lib/net/webrtc.browser.js b/lib/net/webrtc.browser.js
index e69de29..3e631c2 100644
--- a/lib/net/webrtc.browser.js
+++ b/lib/net/webrtc.browser.js
@@ -0,0 +1 @@
+throw new Error("Not implemented");
diff --git a/lib/net/webrtc.js b/lib/net/webrtc.js
index e69de29..3e631c2 100644
--- a/lib/net/webrtc.js
+++ b/lib/net/webrtc.js
@@ -0,0 +1 @@
+throw new Error("Not implemented");
diff --git a/package.json b/package.json
index deca5d1..b49604b 100644
--- a/package.json
+++ b/package.json
@@ -56,10 +56,12 @@
     "eccrypto": "^0.9.5",
     "es6-promise": "^2.0.1",
     "hash.js": "^1.0.2",
+    "inherits": "^2.0.1",
     "nan": "^1.4.1",
     "object-assign": "^2.0.0",
     "sha.js": "^2.3.1",
-    "webworkify": "^1.0.1"
+    "webworkify": "^1.0.1",
+    "ws": "^0.7.1"
   },
   "optionalDependencies": {
     "bignum": "^0.9.0"