Software Development Web Flashcards
What are webservers?
Webservers come in different forms
What do webservers do?
Infrastructure to support web-based content
Dependent upon circumstances of the project
One could have minimal requirements
Others could have more significant ones
How do webservers work?
Worked upon in large teams
Segmented using agile approaches
Data Centre
- Houses critical data
- Physical facility
- Network computing and storage resources
- Enabled shared delivery of applications and data
Web Development Deployment
Data centre operates with minimal policy
This is known as N+1 or Need+1
Guarantees maximum possible up time
Web based businesses rely on this
Not as resilient to problems when they deploy premise
Data centre Redundancy
Methods used to create an environment with true N+1
• Backup to grid level electricity sources
• Diesel Generators
• Battery Backup
• Multiple ISP’S
• Careful configuration of servers (Dual processors, power supplies, RAID)
• Cloud Technology
• Backup strategies and solutions