diff --git a/WireGuard/WireGuard.xcodeproj/project.pbxproj b/WireGuard/WireGuard.xcodeproj/project.pbxproj
index e9d6dcc..b7eb3b0 100644
--- a/WireGuard/WireGuard.xcodeproj/project.pbxproj
+++ b/WireGuard/WireGuard.xcodeproj/project.pbxproj
@@ -10,6 +10,7 @@
 		6F7774E1217181B1006A79B3 /* MainViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F7774DF217181B1006A79B3 /* MainViewController.swift */; };
 		6F7774E2217181B1006A79B3 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F7774E0217181B1006A79B3 /* AppDelegate.swift */; };
 		6F7774E421718281006A79B3 /* TunnelsListTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F7774E321718281006A79B3 /* TunnelsListTableViewController.swift */; };
+		6F7774E82172020C006A79B3 /* Configuration.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F7774E72172020C006A79B3 /* Configuration.swift */; };
 		6FF4AC1F211EC472002C96EB /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 6FF4AC1E211EC472002C96EB /* Assets.xcassets */; };
 		6FF4AC22211EC472002C96EB /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 6FF4AC20211EC472002C96EB /* LaunchScreen.storyboard */; };
 		6FF4AC472120B9E0002C96EB /* NetworkExtension.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6FF4AC462120B9E0002C96EB /* NetworkExtension.framework */; };
@@ -19,6 +20,7 @@
 		6F7774DF217181B1006A79B3 /* MainViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MainViewController.swift; sourceTree = "<group>"; };
 		6F7774E0217181B1006A79B3 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		6F7774E321718281006A79B3 /* TunnelsListTableViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TunnelsListTableViewController.swift; sourceTree = "<group>"; };
+		6F7774E72172020C006A79B3 /* Configuration.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Configuration.swift; sourceTree = "<group>"; };
 		6FF4AC14211EC46F002C96EB /* WireGuard.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = WireGuard.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		6FF4AC1E211EC472002C96EB /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		6FF4AC21211EC472002C96EB /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
@@ -58,6 +60,14 @@
 			path = iOS;
 			sourceTree = "<group>";
 		};
+		6F7774E6217201E0006A79B3 /* Model */ = {
+			isa = PBXGroup;
+			children = (
+				6F7774E72172020C006A79B3 /* Configuration.swift */,
+			);
+			path = Model;
+			sourceTree = "<group>";
+		};
 		6FF4AC0B211EC46F002C96EB = {
 			isa = PBXGroup;
 			children = (
@@ -78,6 +88,7 @@
 		6FF4AC16211EC46F002C96EB /* WireGuard */ = {
 			isa = PBXGroup;
 			children = (
+				6F7774E6217201E0006A79B3 /* Model */,
 				6F7774DD217181B1006A79B3 /* UI */,
 				6FF4AC482120B9E0002C96EB /* WireGuard.entitlements */,
 				6FF4AC1E211EC472002C96EB /* Assets.xcassets */,
@@ -173,6 +184,7 @@
 			files = (
 				6F7774E421718281006A79B3 /* TunnelsListTableViewController.swift in Sources */,
 				6F7774E2217181B1006A79B3 /* AppDelegate.swift in Sources */,
+				6F7774E82172020C006A79B3 /* Configuration.swift in Sources */,
 				6F7774E1217181B1006A79B3 /* MainViewController.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
diff --git a/WireGuard/WireGuard/Model/Configuration.swift b/WireGuard/WireGuard/Model/Configuration.swift
new file mode 100644
index 0000000..0854acb
--- /dev/null
+++ b/WireGuard/WireGuard/Model/Configuration.swift
@@ -0,0 +1,41 @@
+//
+//  TunnelConfiguration.swift
+//  WireGuard
+//
+//  Created by Roopesh Chander on 13/10/18.
+//  Copyright © 2018 WireGuard LLC. All rights reserved.
+//
+
+import Foundation
+
+class TunnelConfiguration: Codable {
+    var name: String
+    let interface: InterfaceConfiguration
+    var peers: [PeerConfiguration] = []
+    init(name: String, interface: InterfaceConfiguration) {
+        self.name = name
+        self.interface = interface
+    }
+}
+
+class InterfaceConfiguration: Codable {
+    var privateKey: Data
+    var addresses: [String] = []
+    var listenPort: UInt64? = nil
+    var mtu: UInt64? = nil
+    var dns: String? = nil
+    init(privateKey: Data) {
+        self.privateKey = privateKey
+    }
+}
+
+class PeerConfiguration: Codable {
+    var publicKey: Data
+    var preSharedKey: Data?
+    var allowedIPs: [String] = []
+    var endpoint: String?
+    var persistentKeepAlive: UInt64?
+    init(publicKey: Data) {
+        self.publicKey = publicKey
+    }
+}