Chapter 8

IaaS

Cecily uses Amazon's EC2 service to host her Web server on a virtual machine, the VPC service to manage network access to her Web server, and the RDS service to host her Web site's database.

SaaS

Chelle signs into the Salesforce Web site so she can check on the status of a customer's order using her company's CRM application.

Control and React

Chen just installed a voice- and remote-controlled thermostat in her home that adjusts temperature settings based on time of day, time of year, indoor humidity, outdoor temperature, and whether Chen is at home.

PaaS

Corbin uses Amazon's Lambda service to test, update, and run applications without having to manage underlying servers.

Hybrid Cloud

Edgardo's company is planning a major cloud migration as they near the end of the property lease on their current data center. Edgardo has discovered two legacy applications crucial to critical business processes that a cloud environment can't support, and there's no way to reasonably replace these applications with modern software.

Transform and Explore

Fatima's bus route was recently altered by her city's new smart transportation system that monitors traffic patterns and bus use to develop more efficient bus routes and traffic light timings.

Connect and Monitor

Hudson's fitness tracker checks his heart rate every ten minutes and sends a reminder to engage in physical activity if he's been sitting still for too long.

Predict and Adapt

Hussein hops into a self-driving vehicle he requested through his ridesharing app, knowing the car will map out the most efficient route through current and expected traffic conditions to take him to the airport in time for his flight.

Private Cloud

Karyn's company is being audited for regulatory compliance because they work with highly sensitive data related to national security. She's confident the data is adequately secure because this data is stored on their own hardware in an isolated environment.

Public Cloud

Mitchell's company is running a Super Bowl ad next week and expects a tremendous increase in traffic to their Web site. Mitchell has configured his cloud to spin up as many additional Web servers as needed without having to purchase any additional hardware.

______________ could provide insights that result in notifications of needed preventive maintenance or preemptive action.

Predictive analysis

Multicloud

Zoe's team is overseeing her company's cloud migration under the restrictions of a tight budget, some unusual business needs, and the anticipation of explosive growth within the next few years. She's determined to find the "best of breed" for each cloud service her company requires and minimize operational costs in the process.

Sensors placed in each engine report real-time data on the engine's performance and condition. This massive amount of data must be subjected to a thorough ______________ process to determine the state of the engine at any given time, its performance over time, and any indications of problems.

data analytics

Board member 1: I don't trust the cloud, plain and simple. We're putting our data on their hardware, but how do we know their hardware is safe? How do we know their services will be available 24/7 like we need? You: Cloud providers employ a variety of _________________ techniques to ensure their services are available nearly all the time. Some of the biggest providers guarantee their services are available 99.99% of the time or better. We can do some research to choose one or more providers that will give us the reliability we need.

disaster recovery

Board member 3: As you said, cloud computing is changing very quickly these days. Won't this create a tremendous amount of work for your team to keep up with the constant fluctuations in cloud services and features? You: The best cloud platforms offer extensive automation services. We can design our cloud with __________________ functions that will continually evaluate our cloud's performance and make automatic changes to improve performance and minimize costs.

self-optimizing functions

Board member 2: "One or more providers?" For what reason might we want to use more than one provider? You: Cloud technologies are changing so quickly, we might decide to use two or even three cloud providers so we can reduce ____________ . This will make it easier to migrate to a different cloud provider in the future if someone else offers cheaper services or better-quality service or some kind of new technology that no one else has yet

vendor lock-in