Question
(Chapter 6) Compare the two deployment strategies presented in Chapter 6 in terms of their costs and complexity. (Chapter 6) When a VM image is
(Chapter 6) Compare the two deployment strategies presented in Chapter 6 in terms of their costs and complexity.
(Chapter 6) When a VM image is deployed to VMs, the image may contain only one single servive or multiple services via the lightweight container technology (i.e., one service per container and multiple containers per VM). These two options for packaging services are illustrated in Figure 6.6 on p.112. Discuss advantage and disadvantage of these two packaging options.
(Chapter 7) Explain why monitoring under continuous changes such as in DevOps and cloud environment is difficult. This is mentioned in a couple of places in Chapter 7 and you only need to summarize them to avoid long answer.
(Chapter 7) We have compared agent-based with agentless monitoring in Chapter 7. For more reading of this topic to understand pros and cons of each, please visit the sites below before answering questions 4.1 ~ 4.3:
(Site a) http://www.appperfect.com/blog/agentless-vs-agent-based-monitoring/ (Links to an external site.)Links to an external site.
(Site b) https://www.sciencelogic.com/blog/agent-vs-agentless-monitoring (Links to an external site.)Links to an external site.
Question (4.1) Which of agent-based and agentless is more bandwidth (or network traffic) efficient? Explain.
Question (4.2) What monitoring tools or products each of the above sites is promoting? Is each agentless or agent-based?
Question (4.3) Which of the two sites talks about a hybrid approach of agentless and agent-based monitoring?
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