YAFS Simulator

YAFS Simulator

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The term YAFS stands for “Yet another Fog Computing” is a prevalent simulator tool based on python architecture. In the motive of assisting you, we suggest step-by-step procedures on how to begin with YAFS and develop a fundamental simulation:

Step 1: Installation

Through python, you can install python basically and it demands specific contingencies. Verify, whether you install Python and pip on your system. By means of pip, you could install YAFS and its dependencies. It is a best concept to examine the official GitHub repository of YAFS for the current installation procedures, as YAFS may not be always approachable instantly through pip or it demands a unique version configuration.

Step 2: Define Your Application

Through message flows, applications in YAFS encompass the services or modules that are interconnected with each other. In virtue of highlighting its modules and the messages which switch, you can describe your application. By means of developing a topology of modules (services) and descripting the communication patterns among them, it is often accomplished.

Step 3: Develop a Deployment Model

Typically, the deployment model clearly defines where services are employed in the network. Through mapping the application modules to particular nodes in your network topology, you can develop a deployment model. The computational resources of various nodes such as cloud data centers, edge devices and fog devices and deployment description of every module are encompassed.

Step 4: Define a Network Topology

Among nodes in your fog environment, determine the physical and logical relationship by YAFS which access you to develop sophisticated network topologies. Defining nodes, links and attributes like latency and bandwidth are included. For the purpose of simulating the extension of messages among services and considering the implementation process of routing tactics, the network topology is very significant.

Step 5: Implement Selection and Placement Policies

In the process of executing custom selection and placement strategies, YAFS offers sufficient portability. This selection policy represents the requests on how it is transferred by the network, for example: while choosing the closest service instance. Among the network, a placement policy demands the instances of services on where it is employed. In the context or application manner, these policies might be effective and accommodating to evolutions.

Step 6: Run the Simulation

You may execute the simulation along with your application, deployment model, network topology and implemented policies. The simulation of YAFS includes originating the simulator, implementing the simulation for a definite time period and loading your models and policies. You can gather numerous performance metrics like service response times, network efficiency and response time throughout the simulation process.

Sample Code Structure


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Additional Steps

  • To acquire the intense knowledge about its potential, deeply investigate YAFS samples and seminars.
  • Based on diverse circumstances, analyze your system by examining diverse events, policies and topologies.
  • Regarding your fog computing architecture and tactics, develop proper decisions through evaluating the simulation outcome.

For the purpose of obtaining detailed information on API (Application Programming Interface) and its characteristics, keep in mind to emphasize YAFS evidence and source code. From basic employment to complicated and dynamic evolution systems, the portability of YAFS accesses the explorers and developers in the process of investigating a broad area of fog computing events.

How to work with a YAFS simulator?

There are numerous significant steps to consider from constructing your framework to descripting the simulation models and performing the simulation, while we are coordinating with YAFS (Yet another Fog Simulator). An extensive manual is offered here, which clearly represents on how to collaborate with YAFS:

  1. Setting Up Your Environment

You will require installing python on your system, as YAFS is a Python-based simulator. To handle your contingencies, it demands to employ a digital environment.

  • Install Python: Ensure, whether you installed Python and pip.
  • Create and activate a virtual environment (optional but recommended):



  • Install YAFS: To interpret the advanced installation procedures, verify the official YAFS GitHub repository. Make use of pip and install, if the package is accessible on PyPI. If not, in a manual format, you have to replicate the repository and install YAFS.
  1. Define Your Application and Services

Group of services or modules and the messages which they interchange like workflows are encompassed in the application of YAFS. Every service, its necessities and in what way they communicate with each other have to be stated explicitly.

  • Create Application Model: Specifying the services, its computational needs and their interaction patterns are involved here.
  • Define Workloads: It is advisable to state the rate at which messages are formulated and in what way they flow within services.
  1. Create a Topology

In your simulation, topology often presents the network and computational accessible resources. Among these, this incorporates nodes, edge devices, network links and cloud data centers.

  • Define Nodes and Links: Each node and its features like memory, computation power and the network links such as response time and bandwidth needs to be defined.
  • Network Topology: Develop nodes on how it is coordinated to reveal your designed deployment framework.
  1. Deployment and Allocation Policies

For representing where the services are located and in what way they are circulated by the network, this YAFS accesses you to execute customized deployment and allocation policies.

  • Placement Strategy: You have to choose the area, where to deploy application services, Depending on the terms of the simulation; it might be static or dynamic.
  • Selection Strategy: Crucially, state the requests on how it is transferred by the network like choosing the closest sample of a service.
  1. Run the Simulation

Be prepared to run the simulation along with your topology, defined policies and application.

  • Initialize the Simulator: Accompanying with your topology, policies and application, develop an instance of the simulator.
  • Execute: Meanwhile specific terms are addressed or for a declared timebound, execute the simulation process. In accordance with your policies, YAFS might simulate the deployment and implementation of your application throughout the defined topology in these times.
  • Collect Metrics: To gather and evaluate diverse performance metrics like service response times, energy efficiency and latency, this YAFS enables you efficiently.

Sample Structure

The main structure of a YAFS project is mentioned below,


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Further Measures

  • Experiment with Different Configurations: Through modifying the network topology, workload patterns and deployment tactics, examine different events.
  • Analyze Results: To evaluate the function of your application and the potential of your deployment tactics, employ the accumulated measures.
  • Optimize: Enhance the performance or resource usage by modifying your systems and policies on the basis of your result.

Yafs simulator Research topic

In terms of YAFS (Yet another Fog Simulator), we provide 25 research topics for conducting a compelling and worthwhile research that deploy YAFS as simulation tool:

  1. Dynamic Resource Allocation in Fog Networks:

In terms of necessity, network conditions and places, explore techniques for distributing the computational resources in an effective manner.

  1. Energy-efficient Computing in Fog Environments:

While preserving function and integrity, design and simulate productive tactics for reducing the energy efficiency within fog devices.

  1. Latency-sensitive Application Deployment:

Considering fog computing, this research seeks to minimize the delayed response and investigate deployment tactics for response time sensible applications on fog computing.

  1. Fault Tolerance and Reliability in Fog Computing:

On the subject of integrity and accessibility of services in fog platforms, conduct a research on implication of various fault tolerance technologies.

  1. Scalability of Fog Computing Architectures:

Examine various fog architectures, in what way it correlates with the extensive number of devices and users and the implications of accomplishments.

  1. Security and Privacy in Fog Computing:

In fog computing events, it is advisable to simulate the potential of diverse security and privacy-preserving techniques.

  1. Machine Learning Model Deployment in Fog Networks:

This research mainly concentrates on computational boundaries and data privacy based problems and explores the deployment of ML (Machine Learning) models on fog devices.

  1. Interoperability in Fog-Cloud Computing:

Among fog computing and cloud computing infrastructure, examine the tactics for smooth integration.

  1. Network Topology Optimization for Fog Computing:

Regarding fog computing platforms, perform research on various network topologies on how it influences the performance and capability.

  1. Edge-Fog-Cloud Computing Continuum:

Beyond the edge-fog-cloud continuum, enhance computational resources, response time and bandwidth through assessing tactics for allocating computational loads.

  1. Data Caching Strategies in Fog Computing:

To decrease network congestion and response time in fog computing platforms, create and simulate data caching algorithms.

  1. Task Scheduling and Load Balancing in Fog Networks:

For the purpose of examining the regional distribution and diversity, examine techniques for load balancing and task scheduling.

  1. Vehicle-to-Everything (V2X) Communications in Fog Computing:

While assisting smart transportation systems, estimate the function of fog computing by means of simulating V2X communication events.

  1. Fog Computing for Internet of Things (IoT):

In the process of improving IoT applications which specify data storage, analytics and process, explore the performance of fog computing.

  1. Quality of Service (QoS) Management in Fog Environments:

The productive models are created for different services which execute in a fog computing platform to handle and assure QOS (Quality of Service).

  1. Fog Computing in Smart Cities:

This study highlights perspectives like public safety and traffic management and involves simulating the employment of smart city applications in a fog computing setting.

  1. Mobile Edge Computing (MEC) and Fog Computing:

To assist mobile applications and services, analyze the synthesization of MEC (Mobile Edge Computing) with Fog computing.

  1. Software-Defined Networking (SDN) in Fog Computing:

Supervise and refine the network infrastructure in fog computing context through performing an extensive study on utilization of SDN (Software-Defined Networking) standards.

  1. Resource Sharing and Cooperation in Fog Networks:

Among fog nodes, enhance the capability of the entire system by formulating cooperative algorithms for allocating resources.

  1. Deployment Strategies for Augmented Reality (AR) in Fog Computing:

This study primarily concentrates on improving the user experience and decreasing the response time by investigating the application of AR (Augmented Reality) in fog computing.

  1. Content Delivery Networks (CDN) Optimization with Fog Computing:

In order to advance CDNs (Content Delivery Networks) for content delivery in a rapid manner, crucially assess the fog computing on how it might be employed.

  1. Blockchain-based Security for Fog Computing:

To improve security and integrity in fog computing environments, simulate the application of blockchain technology.

  1. Fog Computing for Healthcare Applications:

This research significantly emphasizes real-time data processing, secrecy and security; it is required to examine the utilization of healthcare applications in fog computing.

  1. Multi-access Edge Computing (MEC) for 5G Networks:

Through the medium of MEC (Multi-access Edge Computing), carry out an analysis on synthesization of fog computing with 5G networks and it importantly highlights in assisting novel applications and improving network performance.

  1. Simulating Fog Computing Environments for Drone Networks:

As a means to aid drone networks which specifies data processing, navigation and communication, estimate the application of fog computing.

YAFS Simulator Topics
Live Tasks
Technology Ph.D MS M.Tech
NS2 75 117 95
NS3 98 119 206
OMNET++ 103 95 87
OPNET 36 64 89
QULANET 30 76 60
MININET 71 62 74
MATLAB 96 185 180
LTESIM 38 32 16
CONTIKI OS 42 36 29
GNS3 35 89 14
NETSIM 35 11 21
EVE-NG 4 8 9
TRANS 9 5 4
PEERSIM 8 8 12
RTOOL 13 15 8
VNX and VNUML 8 7 8
WISTAR 9 9 8
CNET 6 8 4
ESCAPE 8 7 9
VIRL 9 9 8
SWAN 9 19 5
JAVASIM 40 68 69
SSFNET 7 9 8
TOSSIM 5 7 4
PSIM 7 8 6
ONESIM 5 10 5
DIVERT 4 9 8
TINY OS 19 27 17
TRANS 7 8 6
CONSELF 7 19 6
ARENA 5 12 9
VENSIM 8 10 7
NETKIT 6 8 7
GEOIP 9 17 8
REAL 7 5 5
NEST 5 10 9

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