What is meant by cloudlet in CloudSim?
A cloudlet is a new architectural element that arises from the convergence of mobile computing and cloud computing. It represents the middle tier of a 3-tier hierarchy: mobile device — cloudlet — cloud. A cloudlet can be viewed as a “data center in a box” whose goal is to “bring the cloud closer”.
What is meant by cloudlet?
A cloudlet is a small-scale data center or cluster of computers designed to quickly provide cloud computing services to mobile devices, such as smartphones, tablets and wearable devices, within close geographical proximity.
What is cloudlet length in CloudSim?
Cloudlet in Cloudsim is a model class that exists inside the package ‘org. cloudbus. cloudletLength: defines the length of the cloudlet in terms of the expected number of instructions required to be executed in the lifetime of the workload under execution.
Can I use CloudSim to run or host my application?
No, CloudSim Plus is a simulator – it does not run real applications. It is intended to be used for simulating and experimenting with various scheduling and VM allocation algorithms.
Which of the following is also referred to edge computing?
Explanation: Amazon CloudFront is referred to as a content delivery network (CDN), and sometimes called edge computing.
Which of the following is most important area of concern in cloud computing?
→Answers : →When your data travels over and rests on systems that are no longer under your control, you have increased risk due to the interception and malfeasance of others. →Perhaps the biggest concerns about cloud computing are security and privacy.
Can we have more than one host in a datacenter?
Yes you can. It is possible but watch out for resources, you have to allocate resources for the host to breathe in and add a little room too for those peaky loads. Use the datacenterbroker class to allocate number of VMs and the cloudlets inside it. Then the datacenter class receives it and creates them in the host.
Which is the biggest advantage of community cloud?
Benefits of Community Cloud
- Flexible and Scalable. With this type of deployment, compatibility among users is guaranteed and properties can be modified on an individual use case.
- Secure.
- Convenience and Control.
- Data Is Accessible Between Organizations.
- Not a “One-Size-Fits-All”
- Shared Storage and Bandwidth.
What are the advantages and disadvantages of community cloud?
Community Cloud
| Pros | Cons |
|---|---|
| Security | You support yourself |
| Compliance | Remote access may be limited |
| Controlled level of privacy | Increased IT staff |
| More control over configuration and management | Consistent maintenance costs |