Shariq Haseeb

Handoff latency analysis of mobile IPv6 protocol variations

Mobile Ipv6 (MIPv6) is a protocol proposed for the future all-IP mobile Internet access. The goal of MIPv6 is to provide uninterrupted network connectivity while moving between different domains or access points. To date, there are various technologies under development for enhancing and optimizing the existing MIPv6 protocol. Using three simulated scenarios, this paper compares the effects of these variations on the handoff latency. The first simulation scenario studies the latency of linear movement of mobile nodes; and the second scenario studies the latency of ping-pong (continuous changing of domains) movement of mobile nodes; the third scenario studies latency, handoff success and effect of signaling load on handoffs by gradually increasing from 5 nodes to 50 nodes. The experimental scenarios were simulated in an open source Network Simulator 2 (ns-2). This paper also discusses the deployment challenges and proposes the most suitable variation of the Mobile IPv6 protocol for reducing handoff latency.

Rapid development of smart parking system with cloud-based platforms

Smart-parking system is one of necessary component to realize the concept of smart city, especially, in the era of Internet of Things (IOT). However, the traditional way of smart-parking development would have been complex, time consuming and prohibitive. On the other hands, in attempt to accelerate the adoption of Internet of Things, Internet Engineering Task Force (IETF) has been aggressively promoted the use of web services through implementation of Platform as a Service (PaaS) as it allows simple, quick and less complex application development. Therefore, in this paper we discuss the adoption of this approach to gain rapid development of smart-parking system. Furthermore, the integration of parking sensor with IOT middleware and front-end dashboard is also highlighted in this paper.

MySQL performance analysis on a limited resource server: Fedora vs. Ubuntu Linux

MySQL is the most successful database system being used all over the world especially when small and medium size industries are trying to cut costs. In this paper, some performance matrices are evaluated for MySQL server and benchmark tests done on two different types of Linux distributions, Fedora and Ubuntu. For performance comparison, a low specification server is used to find out whether it can handle moderately loaded (such as SMEs) MySQL transactions. The paper evaluates the performance differences by tweaking some parameters of SysBench and measure the network, CPU performance, memory and database query time. The paper also analyzes the results and attempt to find out the reasons of performance variations.

A test-bed analysis for seamless MIPv6 handover in heterogeneous environment

Now-a-days, mobile nodes (MNs) are being used with multiple network interfaces so that an MN may have a ubiquitous communication. Mobile Internet Protocol version 6 (MIPv6) allows an MN to maintain the ubiquitous connectivity regardless of any type of network interface while it changes the point of attachment in heterogeneous network environment. In this paper, we have studied a vertical handover with the help of MIPL based test-bed to analyze handoff latency and packet loss. The vertical handover has been considered between Ethernet and Wi-Fi network access. We have analyzed the performance during MNs handover across the networks. The results show that such type of setting could be used in various practical-oriented consumer applications that need to have mobility feature of nodes.

Performance analysis of MIPL based Mobile IPv6 testbed

The next generation Internet architecture requires mobile communication devices to have continuous Internet protocol version 6 (IPv6) network connectivity in wireless environments. The IETF mobile IPv6 standard is the protocol designed to support seamless mobility. Mobile IPv6 performance analysis and optimization are active areas of research for peer to peer (P2P) voice and video applications over IPv6. This paper surveys and evaluates the Mobile IPv6 implementations available today. A native mobile IPv6 testbed network was designed and configured using the MIPL implementation. Various experiments were conducted to determine handoff latency, data throughput, round trip time (RTT) and packet loss. The testbed network experiments also identify the current implementation limitations and inefficiencies. In this paper we suggest possible improvements to the current MIPL implementation.

A region-to-point indoor localization approach via RSS-magnetic fingerprinting

Indoor localization based on wireless fingerprinting has been an area of interest for many researchers. In this paper, we introduce a method for leveraging RSS and magnetic vectors in order to estimate the location of a smartphone device within an indoor office environment. Prior to determining a location, a fingerprint map has been populated following specific criteria to define a virtual region. We will later reveal that by employing such region-based scheme, the location estimation can become more accurate. The steps that we have used in our indoor localization estimation follow a two-level approach whereby the first step aims at determining the region where the target device resides. The second step narrows down further to determining the exact location of the device based on the magnetic flux reading obtained earlier. However, the second step would be included in our future work. We present our findings based on the location estimation accuracy of our indoor localization method.

Comprehensive QoS analysis of MIPL based mobile IPv6 using single vs. dual interfaces

Mobile nodes with dual interfaces are not very common and not many studies have been done in this area. In this work, we have done a comprehensive study of dual interfaces on a test-bed to find out the effectiveness of dual interfaces and compared the results with single interface. We have implemented an MIPL based test-bed to study the QoS parameters, which affect mobile nodes, and are considered to be of paramount importance in real time application running on MIPv6 mobile nodes. The hand-off latency, packet loss, data throughput and jitters are the parameters we have considered in this research. Finally, we show a comparison of performance between dual interfaces and single interface on a mobile node.

Network Function Virtualization (NFV) based architecture to address connectivity, interoperability and manageability challenges in Internet of Things (IoT)

IoT aims to interconnect sensors and actuators built into devices (also known as Things) in order for them to share data and control each other to improve existing processes for making peoples life better. IoT aims to connect between all physical devices like fridges, cars, utilities, buildings and cities so that they can take advantage of small pieces of information collected by each one of these devices and derive more complex decisions. However, these devices are heterogeneous in nature because of various vendor support, connectivity options and protocol suit. Heterogeneity of such devices makes it difficult for them to leverage on each others capabilities in the traditional IoT architecture. This paper highlights the effects of heterogeneity challenges on connectivity, interoperability, management in greater details. It also surveys some of the existing solutions adopted in the core network to solve the challenges of massive IoT deployments. Finally, the paper proposes a new architecture based on NFV to address the problems.

Connectivity, interoperability and manageability challenges in internet of things

The vision of Internet of Things (IoT) is about interconnectivity between sensors, actuators, people and processes. IoT exploits connectivity between physical objects like fridges, cars, utilities, buildings and cities for enhancing the lives of people through automation and data analytics. However, this sudden increase in connected heterogeneous IoT devices takes a huge toll on the existing Internet infrastructure and introduces new challenges for researchers to embark upon. This paper highlights the effects of heterogeneity challenges on connectivity, interoperability, management in greater details. It also surveys some of the existing solutions adopted in the core network to solve the challenges of massive IoT deployment. The paper finally concludes that IoT architecture and network infrastructure needs to be reengineered ground-up, so that IoT solutions can be safely and efficiently deployed.

Comparative analysis of IEEE 802.11g multimedia multicast performance using RTP with an implemented test-bed

In network layer protocols, the most efficient way of sending similar packets to a group of nodes is via multicast. Multicast is a profound concept that has been around for some time and has seen through its implementation in various aspects of todays network access technology. The IEEE 802.11 wireless standards, however, loosely honor IP layer multicast packets by encapsulating them in broadcast frames. This in turn degrades the 802.11 network access bandwidth capacity and further decreases its data transmission reliability. An enhancement workaround which has been devised was to encapsulate multicast packets in a unicast MAC layer frame. In addition, RTP was also observed to be an enabler to better user experience in multicast streaming. In this paper, we investigate the 802.11g multicast performance with and without the enhanced multicast mechanism. We further expand our investigation by implementing RTP during the multimedia multicast stream and without it. Our results lead us to conclude that there are significant advantages of using both the enhanced multicast mechanism and RTP during a multicast streaming via the 802.11g wireless standard.