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Category Archives: Student Projects

Defense mechanism against black-hole and gray-hole attacks in mobile ad hoc networks

Black-hole and gray-hole attack are the two common attacks in a mobile ad hoc network. In black-hole attack, the adversary advertises false route information and absorbs the data traffic towards it, and finally drops all the packets. The Gray – hole attack is an improved version of the black – hole attack in which the adversary partially forwards and partially drops the packets. Its behavior cannot be predicted as it behaves normally for a certain time and late behaves maliciously. Both black-hole and gray-hole attacks disrupt the route discovery process and degrade system’s performance.

The most popular technique to detect the black-hole and gray-hole attack in a mobile ad hoc network is to monitor the behavior of nodes by a genuine node through overhearing the communication. This technique can be referred as local monitoring. Watchdog overhears the number of transmissions from a sender and router. Watchdog detects the malicious node by comparing the number of transmissions.

Solution in NS2

i) The network can be created in which some nodes are configured as attackers and some nodes are configured as watchdog nodes with detection mechanism.
ii) Attack report from the watchdog is utilized for the future network operations such as not involving those nodes in the data forwarding process or not electing those nodes as leader.
iii) Packet loss is the major performance issue due to attacker’s activity that can be traced out using trace file before and after applying the defense mechanism. Attack impact is also over the metrics such as Packet Delivery Ratio and Throughput. Delay is increased due to the retransmission of lost packets.

For more details visit : http://slogix.in/projects-in-mobile-ad-hoc-networks/index.html

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MAC issues in mobile ad hoc network

The media access control (MAC) is a data communication protocol and it is a sub-layer of the data link layer. It allows several nodes in the network to share the medium using the channel access control mechanisms. Collision in MAC layer is the major issue in wireless transmissions. Generally, two-way handshaking and four-way handshaking mechanism reduces the collision rate. In the two-way handshaking signal strategy, a node transmits the acknowledgement to the sender node on receiving the data packet. In the four-way handshaking signal strategy, the optimized MAC protocol uses Ready to Send/Clear to Send (RTS/CTS) technique to reduce the packet collision in wireless transmissions. The back-off algorithms also play a vital role in reducing the collision between nodes, especially if more than one node attempts to send data on the channel simultaneously. Improving the functionality of the back-off algorithms to estimate the optimal back-off waiting period is still a major issue. The MAC layer offers two classes of services, namely Distributed Coordination Function (DCF) and Point Coordination Function (PCF).

Solution in NS2

i) In NS2, the IEEE 802.11 MAC standard is applied to the network and the performance is evaluated.
ii) Four way handshaking is the default mechanism available in ns2.
iii) Performance under Two way handshaking mechanisms can be evaluated by disabling the RTS/CTS settings.
iv) Back off algorithm can be tested by varying inbuilt back-off variable and contention window size.
v) Channel access delay minimization and throughput increment can be illustrated using x-graph.
vi) Performance metrics such as frame overhead, contention overhead, delay, packet delivery ratio, dropped packets due to collision, throughput and energy consumption can be analyzed by processing the trace file using awk script.

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How to modify Hadoop Source Code using IntelliJ IDEA

The hadoop uses IntelliJ IDEA (intelligent Java IDE) tool for building  the hadoop packages.

Steps to modify and build hadoop source code in IntelliJ Idea

1) Downloading the IntelliJ IDEA tool from following link

https://www.jetbrains.com/idea/download/

2) Download the Hadoop along with source code

3) Import Hadoop project

(i) Start IntelliJ IDEA.

(ii) Click Import Project

(iii) Select the hadoop version folder and the click Next

(iv) Set the project name and project location on “Import Project”  wizard and then click Next.

(v) Select the Java SE Development Kit 7 (JDK) installation folder  on  project SDK. Click finish.

(vi) Now Hadoop is successfully imported in the IntelliJ IDEA

4) Configuring Module Dependencies and Libraries

(i) Select File->Project Structure.

(ii) Click on Modules under “Project Settings.”

(iii) Select the Dependencies tab then click on the + at the right of  the screen. Select JARS or directories.

5) Modify the existing module according to the requirement and  rebuild it

6) Integrate the modified module to existing hadoop.

7) Run the Hadoop application with modified hadoop source code

(i) start hadoop daemons

(ii) Run the sample program

 

For Further Details Visithttp://slogix.in/

 

 

 

 

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What is Cloud Sim?

     CloudSim is a Simulation Tool or framework for implementing the Cloud Computing Environment. The CloudSim toolkit enables the simulation and experimentation of Cloud Computing systems. CloudSim library written in java, contains classes for creating the components such as  Datacenters, Hosts, Virtual Machines, applications, users etc.

     These components are used to simulate the new strategies in Cloud Computing domain. These components can be used to implement the various Scheduling Algorithms, Allocation Policies and Load Balancing Techniques. With the simulation results we can evaluate the efficiency of the newly implemented policies or strategies in Cloud environment. The CloudSim basic classes can be extended and one can add new scenarios for utilization. CloudSim requires that one should write a Java program using its components to compose the desired scenario.

The basic components in Cloudsim which will create the Cloud computing environment are:

1. Datacenter :    Datacenter, first component should be created, with an VmAllocation policy. The Hosts, and VMs are created inside the Datacenter only. The resource provisioning is performed based on the allocation policies.

2. DatacenterBroker :    A broker, communicates between the user and the datacenter. The  VM and Cloudlet requests given by the user are submitted to broker. The Broker will send the requests to datacenter. And also collects the result from the datacenter and sends it to the user.

3. Host:    The Host class is used to simulate a physical machine. It manages the VMs allocated in it.

4. Vm:    The Vm class is used to simulate the Virtual Machine which runs inside the Host and executes the applications or tasks.

5. Cloudlet:    The applications or tasks to be executed in Vm are simulated using Cloudlet class. The Class contains the basic application characteristics and runs inside the Vm.

6. VmAllocationPolicySimple:    It is the policy defined for allocating the Host for each Vm in the datacenter.

7. VmScheduler and CloudletScheduler :   It is the scheduling policy that defines the scheduling order of Vms and Cloudlets respectively.

Tools and Technology

  • Cloudsim 3.0.3
  • Java
  • Netbeans or Eclipse

For Further Details: http://slogix.in/cloud-computing-source-code/index.html

For details contact

Email – slogix.india@gmail.com

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Hbase

Hbase is an open source, column based distributed management system. It is a fault-tolerant and provides the quick recovery from the individual servers. It is built on the top of the hadoop / HDFS and the data stored on it is processed using the mapreduce capabilities.

Hbase consists of three components: HMaster, HRegionserver and HRegions. Hbase cluster consists of a master node called as HMaster,the multiple region server is called as HRegionserver. Each region server consists of the multiple regions is referred to as HRegions.
  
HMaster

HMaster acts as a Master server. It is responsible for monitoring each region server across the cluster and acts as an interface in the case of any changes in all metadata.The master runs on the namenode in a distributed server. The cluster consists of the number of master but only one master is activate at a time. Once the active master loses it lease in zookeeper then any one of the server in the cluster acts as a master and take care of the regionservers.

HRegionserver

HRegionserver plays a vital role in the regionserver implementation. Each regionserver is responsible for sharing and managing the regions i.e.,serving a set of regions. The HRegionserver runs on the datanode in a distributed cluster. One region can be served only by the regionserver.

HRegions

Regions are the subset of the table’s data. It is the basic element based on the availibility and distribution of rows and columns in the table. Hence the multiple regions in the Hbase is called as HRegions.
  
Tools and Technologies

1. JDK 1.8.0
2. Netbeans IDE 8.0.1
3. Hadoop Distributed File System
4. Hbase-0.94.16
5. Mahout
6. Map reduce
7. Hadoop-1.2.1

For further details:

S-Logix

Website: http://slogix.in/

Email : slogix.india@gmail.com

 

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Android Projects

Best Android Student Projects

Android Projects

Android is a mobile operating system based on the Linux kernel developed by Google that delivers a complete software package for mobile devices. It makes use of a custom virtual machine for optimizing memory and hardware resources in a mobile environment. Its open nature has motivated a wide range of developers to use the open-source code as a base for innovative community-driven projects. Moreover, the open source code can be generously extended to include new technologies as they emerge. Android does not create a gap between the mobile’s core applications and third-party applications. It breaks the barrier to developing new and innovative applications. Android ensures fast and easy application development for touch-screen mobile devices such as smartphones and tablet. Though, it is primarily developed for tough-screen mobile devices, it has been used in games consoles, digital cameras, and other electronics. Several technology-based companies that demand a ready-made, low-cost and customizable operating system for high-tech devices replaced their operating system with android.

Android Platform

  • Android Software development Kit (SDK)
  • Android Development Tools (ADT) plugin
  • Android Debug Bridge

Android Tools

  • Android SDK Tools
  • Android Platform Tools
  • Eclipse
  • Android
  • Android Emulator

SLogix Project Centre provide JAVA / J2EE / NS2 / PHP / Android  / Hadoop / Cloud Projects for B.E. / B.Tech. / M.E. / M.Tech. / MCA students. SLogix Project Centre provide the best complete project listing with form design, source code, project report, database structure of live project, mini project, project guidance, short term courses and Inplant Training.

INPLANT TRAINING AND WORKSHOPS

We offer inplant training and workshop to the students which will be conducted at S-Logix as per your convenient timings.

INPLANT TRAININGS WILL BE CONDUCTED IN THE FOLLOWING DOMAINS

  • Java/J2EE 
  • Mobile Apps 
  • Cloud Computing 
  • Big Data 
  • Web Mining 
  • Web Services 
  • Ns2 Simulator
  • Android
  • Hadoop

Training ends with Participation Certificate and a Soft Copy of training materials.

 

Email – slogix.india@gmail.com 

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