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What is Disadvantages of Virtual Machine Migration

Chapter 20
Handbook of Research on Securing Cloud-Based Databases with Biometric Applications
(i)Cloud environment operate on new public and private IP which create complexity for new services. It is very difficult for migration tools to capture the configurations for Apache, tomcat etc. (ii) Domain name system (DNS) services are outside the scope of migration. Even if the DNS name changes identified tools may not allow flipping the switch to new location. (iii) Migrating tools basically capture, translate and migrate security policy. It is very complex and even incompatible with cloud providers due to the dynamism in changing security policies with respect to time and cloud providers. (iv) Complex load balancing policies may be problematic when migrating services to cloud. (v) Data transportation and synchronization create big problem when the data change continuously. So design of robust synchronization process is highly essential. (vi) Frequently the configuration needs to be manually modified in order to meet the advanced version of tools ( Puglisi, B. 2013 ).
Published in Chapter:
An Evolutionary Approach for Load Balancing in Cloud Computing
Subashis Mohapatra (National Institute of Technology – Rourkela, India) and Banshidhar Majhi (National Institute of Technology – Rourkela, India)
Copyright: © 2015 |Pages: 31
DOI: 10.4018/978-1-4666-6559-0.ch020
Abstract
Cloud computing has many issues related to privacy, security, scalability, elasticity, and efficiency. Load balancing is one of the vexing issues in cloud computing. Load balancing ensures that all processors in the system have approximately an equal amount of work at any instance of time. In this chapter, the authors analyze some load-balancing algorithms and compare their performances using cloud analyst. Lots of references are added for the benefit of readers.
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