Load Balancing Algorithm in Cloud Computing Assignment 2020

Load Balancing Algorithm in Cloud Computing


Cloud computing is the one of the technology which helps to use the resources from different sources especially like data storage,using hardware and software sources. It incurs fewer amounts for using these facilities. Many software companies are using this type of facilities because of low cost. They need to pay only the amount for using the facilities.

They don’t need to pay for maintenance. This attracts many business enterprises and all of them jumped towards using the cloud. So automatically load will be increased. The problem will occur. So in this paper we will review some of the algorithm for load balancing in cloud computing and we will compare and find the best one which helps to overcome this problem.

Keywords: Load Balancing, RRA, AMLB, TLBA 

  1. Introduction

The cloud computing is the internet based development that satisfies many organizations because of its cheaper cost. It is attracted by many users. Because it provides high speed, good security, high processing speeds, storage facility etc at reasonable cost. This was the main advantage of using cloud. The data stored is distributed in the network.

The data may be nearer or it may be stored in remote. The programs can be launched in the network and the result can be seen in our network browser. So many data centers are there to store the cloud data.

In cloud computing the load should be balanced effectively so that it will have maximum throughput with minimal response time. Otherwise the use of cloud computing won’t attract many organizations. To reduce this problem we will discuss some algorithms and reviews to perform the cloud computing effectively.

  1. Basic load balancing Algorithms in Networks

Load balancing means to distribute the load evenly. So the resources are fairly allocated with high level of user satisfaction. There are many reviews and they are using different algorithms to improve the load balancing in cloud computing. Higher resource utilization and proper load balancing will reduce the resource consumption. So there will be quicker response times.

 [A] Round Robin Algorithm

It is the simplest algorithm et al [1]. It uses the time interval. Each node is given a certain amount of time in that the node can perform their operation. So quantum of time interval plays an important role and its drawback is extra load to the scheduler.

Load Balancing Algorithm in Cloud Computing

Fig 1: RRA

 [B] Active Load Balancing and Monitoring

 This is the equally spread load balancing algorithm. The ALBM equally divides the loads to the VM. It maintains the index which contains the id of virtual machine, and amount of load allocated to it. When the request comes the index from top to least VM is found. Then it returns the VM id to ALBM. In this way the load is equally distributed. The main disadvantage is it always uses the least VM id.

Load Balancing Algorithm in Cloud Computing

Fig 2: AMLB 

 [C] Throttled Load Balancing Algorithm

 In this algorithm the VM is allocation first with one task. After successful completion first task, then only the second task will be allocated to the VM machine. It also maintains an index of all VM. If any request arrives it searches from top to bottom in index table until it finds the VM. If it finds the task is allocated. Otherwise it will return the null value. The disadvantage is if it returns null then the data centers has to process the work.

Load Balancing Algorithm in Cloud Computing

Fig 3: TLBA

  1. Literature Survey

Cloud Analyst Simulator

In this the author Almothana Khodar et al [1] says by comparing the above three algorithms and finds the best algorithm which balances the load effectively. Above three algorithms are combined by using the cloud analyst tool. By changing some parameters it will give the better result. The terminology of emulator is as follows,

Regions: It is divided into six regions

User Base: It is used to create traffic

Data Processing Center:  It accepts and process the request

VM load Balancer: It is responsible for the distributing loads to the data centers.

The author uses this tool to analyze the best performance of these tools by changing some parameters. Finally the author concludes that the TLBA is the best load balancing algorithm.

R K Banyal et al [2] says that the enhanced algorithm will reduce the load and it will evenly distribute the load. He used the tool kit called as cloudsim tool kit to perform effective load balancing. It has the framework it supports both operation of system and cloudsim components.

Nowadays most of the organization are using the cloud computing and they are paying the amount for what they have utilized. So it plays an important role in internet. Without internet the cloud computing is not possible. It was the new emerging technique to develop the business at peak.

The CloudSim architecture is follows,

Load Balancing Algorithm in Cloud Computing

Fig 4: CloudSim

The components of cloudsim are data center, data center broker, host, VM and cloudlet. It has a preprocessing capability, memory, storage, and policy for allocating processor to VM. The java is used here to implement CloudSim. Here it checks for available free processor in VM. If it finds it will allocate the task.

If there is no host free then it will check for the processor. If it finds then it will allocate to the processor with free host. The author proposed that the main aim is to check free data centers and available processing elements.

Shahbaz Afzal et al [3] tells that the load balancing can be viewed in two way. They are if the load is overloaded or it is under loaded. In this aspect the author has taken some sample databases and analyzed the algorithms in all metrics. Most of the algorithm is implemented in the simulator.

The load balancing algorithm should be focused on different dimensions in which QOS metrics and algorithm complexity should be considered. The author has stated and reviewed the problem of load balancing algorithms and he also suggests in what dimension the algorithm should be viewed.

Amrita Jyoti et al [4] has stated that the cloud computing are the very important sources for convenient resource for sharing applications, storage, servers, computing etc. There are three types which help to service.

They are SaaS, PaaS, IaaS. There are different types of cloud. They are public cloud, private cloud, community cloud, hybrid cloud. The author states that there are two types of load balancing technique. They are static and dynamic technique. In static the previous system knowledge is known like processing power, data, memory etc.

The best for this technique is round robin. He also suggested another algorithm called as shortest job algorithm. In this approach the shortest job is selected first. The waiting time of shortest job is very less. The next algorithm is Min-Min algorithm.

The time required to complete the task is calculated and minimum time job completion is selected first. Next is max min algorithm. It is same like min-min algorithm but with some difference. The next algorithm is combination of two algorithms the first one is opportunistic load balancing algorithm and another one is min-min algorithm.

It is combined to get better efficiency. The dynamic load balancing algorithm performs dynamically. In this the first algorithm is energy aware load balancing algorithm. The second one is modified active monitoring load balancer algorithm and another one is genetic algorithm.

The author also summarized about other algorithm like honey bee foraging technique, ant colony algorithm and other load balancing techniques like particle swarm optimization technique active monitoring algorithm.

In this paper the author finally concluded that different types of algorithms are summarized and to perform efficient and quick access, all algorithms should be used at different way. Mainly the load balancing plays an important role in cloud computing.

The author mallikarjuna et al [5] has proposed that the load balancing plays an important role in data storage and hardware usage. The author compares the dynamic and static load balancing techniques and suggests that dynamic load balancing technique provides the efficient use of clod computing.


Load Balancing Algorithm in Cloud Computing

Fig 5: Emerging Technologies in future

The author strictly says that dynamic load balancing algorithm and dynamic nature inspired load balancing algorithm is best suited for new emerging technologies like IOT, big data computing and self-learning systems. In future automatic dynamic load balancing algorithm is used and load balancing can be done efficiently and the resource utilization will be more for the entire task.

Sambit Kumar Mishra et al [6] states that the cloud computing plays an important role in internet technologies. It was the vast development in internet. Among that the load balancing problem is the important one that is when overloaded or under loaded.

The different types of algorithms techniques are used to balance the load correctly. Here in this paper the author suggest using heuristic technique to balance the load.

To balance the load so many thing should be considered. They are throughput, reliability, accuracy, predictability, make span, response time, associated cost, energy consumption, scalability,  fault tolerance, migration time are the some of the attributes that should be considered in handling load balancing technique.

The author has stated different types of static and dynamic algorithm under homogenous and heterogeneous conditions. To apply heuristic based approach the cloud environment should be implemented in the cloudsim simulator.

The three algorithms are compared. They are round robin, throttled, active monitoring algorithm. Nowadays day by day internet usage is increased. In the same the use of cloud architecture is also increased.

They mainly uses data storage, processing, computing, executing the application and for other purposes.

The main problem in using cloud computing is the load balancing. Load balancing means equally sharing the task in the distributed environment. It is the biggest challenge in cloud computing. To achieve all this three algorithm are compared and the best one is used in an efficient way. The active monitoring algorithm is the best one to handle the load in an efficient way.

  1. Proposed Work

We have reviewed different types of static and dynamic algorithm. All algorithms are focused on the maximum throughput, better performance, minimum response time etc. The dynamic algorithm can be used effectively by changing some parameters in that we achieve best load balancing technique.

So load balancing plays an important role in new technology. The proposed model should be developed and implemented in the cloud analyst tool and we can measure the maximum throughput and response time.

  1. Conclusion and Future Work

I conclude here that load balancing is the important and key factor which plays in the cloud computing. In future the cloud computing plays an important role in growing environment.

Because the cloud environment provides all services in a cheaper amount. So many business environments are engaged in using cloud. The data that is stored is very secured and safe. The only thing is load balancing and it can be performed efficiently by using the algorithm. The metrics are also should be considered while generating the algorithm.


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