MOBILE NETWORK MANAGEMENT AND VISUALIZATION

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MOBILE NETWORK MANAGEMENT AND VISUALIZATION

Abstract — Both the increasing complexity of networked devices and the sheer number of IoT devices raise the problem of proactively knowing when something goes wrong in their normal functioning. How do we know when there is a failure or a malfunction in the network? How do we know if the network is overloaded and how can we evaluate the infrastructure’s performance? How do we pinpoint the cause of the problems? How do we organize and present this information to the user in a simple and intuitive way? We introduce here our prototype 3D visualization system for real-time monitoring of both the status of networked devices (wired, wireless, IoT devices) and the network’s dynamics (“pulse”) (e.g. configuration, load, traffic, abnormal events, suspicious connections, failed IoT devices, etc.). The user can visualize the current status of the networks of interest, in a very simple and intuitive way, from anywhere on the Internet (even from a mobile device). He can also receive alerts whenever something significant happens in the network by means of short text or instant messages.

CHAPTER ONE

INTRODUCTION

BACKGROUND OF THE STUDY

Development of communications and networking has raised new problems with respect to network administration and security. Network issues are more and more complicated due to growing network complexity (size, structure, using different technologies, as more often the networks are hybrid with different protocols having to work together, and so on). Network complexity nowadays is proven also by the large range of existing routing algorithms and techniques, i.e. shortest path algorithm, flooding, distance vector routing, link state routing, hierarchical routing, broadcast, multicast, anycast routing, routing in ad-hoc networks, etc. [1]. The threats and vulnerabilities that networks have to handle nowadays are also on an increasing trend with respect to both their sheer number and diversity. The Internet of Things (IoT) paradigm adds up to this complexity by its specific issues (a very large variety of smart sensors, devices, and objects, different embedded technologies and communication protocols, bidirectional interaction, etc.)

All these aspects will increase further the complexity of network administration and security assurance. Therefore, there is an increasing need for tools that allow network visualization and monitoring and that are easy to use for solving both typical and extraordinary issues that are encountered daily in such multifaceted networks.

We introduce here our early results in the development of VizNet, a 3D visualization system for monitoring real-time status of networked devices. These devices can be of different types and from different producers, such as network equipment (routers, switches, gateways), wireless access points (APs), wired devices (PCs, servers, etc.), wireless devices (laptops, mobiles), and IoT devices. The system will also capture the dynamics or “pulse” of the network (i.e. current configuration, load, traffic, events, suspicious connections, failed devices, etc.). The user can visualize, in a very simple and intuitive way, the current status of the networks of interest from anywhere on the Internet, by using a

simple web browser from a desktop, a laptop, a tablet, or even a smart phone. The visualization is shown as a dynamic, animated 3D virtual environment. In addition, the user can receive alerts whenever something significant happens in the network by means of short messages, as text messages over the phone, or as text and image messages using instant messaging (for example, Facebook, telegram, or similar systems).

STATEMENT OF THE PROBLEM

A large variety of network threats makes possible numerous attack scenarios in a network, such as traffic intercepting and spying, sniffing and scanning network, social engineering, phishing attacks, piggybacking, tailgating, superzapping, scavenging attacks, Trojan horses, all kinds of viruses, trap doors attacks, spyware, adware, etc. [3]. The new generation of 5G wireless technology will provide for a totally mobile and connected society that benefits from multiple gigabits per/second speeds and latencies under 1ms [4][5]. Moreover, handling upcoming ad-hoc networks (Mobile Ad hoc Network – MANET, Vehicular Networks – VANET) raises extra challenges in networking due to their particular characteristics (dynamics, security, limited bandwidth, limited energy resources, special security threats, etc.).

SIGNIFICANCE OF THE STUDY

The main goals of this paper are as follows: to describe briefly the VizNet system and its advantages when compared to related work, to provide the reader with an overview of both its capabilities and architecture, and to present some aspects of the 3D visualization and alerts messaging interface, along with some real life use examples. However, the description of VizNet is far from exhaustive, many implementation details being left out.

The structure of this paper is as follows: the next section includes the related work. In Section III we present the architecture of the proposed visualization and monitoring system, focusing on its main components. Section IV presents the VizNet interface, both the 3D visualization and the alerts messaging. Throughout Section III and Section IV we point out the current status of the implementation that is also illustrated with some examples. The final section is dedicated to both conclusions and ideas for further development.

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