Journals

• Reliability and high availability in cloud computing environments- a reference roadmap

• Achieving Reliability in Cloud Computing by a Novel Hybrid Approach.

• Evaluation and design of highly reliable and highly utilized cloud computing systems.

• Implementation of Raaes- Reliability-Assured and Availability-Enhanced.

• Reliability and Energy Efficiency in Cloud Computing Systems- Survey and Taxonomy.

• Reliability and high availability in cloud computing environments a reference roadmap.

• Reliable Web Services Approaches of Mobile Cloud Computing- A Comparative study.

• The infuence of dependability in cloud computing adoption.

• Using cloud computing services to enhance competitive advantage of commercial organizations.

IEEE Journals

• A Fast Algorithm for Energy-Saving Offloading With Reliability and Latency Requirements in Multi-Access Edge Computing.

• Adaptive Framework for Reliable Cloud Computing Environment.

• An Associative Optimizing Method on Reliability and Cost in Clouds.

• Enhanced QoS-Based Model for Trust Assessment in Cloud Computing Environment.

• Trust is Good, Control is Better-Creating Secure Clouds by Continuous Auditing.

• Reliability and Availability Evaluation for Cloud Data Center Networks Using Hierarchical Models.

IEEE Conference

Research Book Reference.

• RELIABILITY AND AVAILABILITY OF CLOUD COMPUTING.

Reference Links

How do you ensure the reliability and availability of cloud applications in case of disasters or emergencies?

https://www.quora.com/How-do-cloud-services-ensure-high-availability-and-reliability

Cloud providers go to great lengths to ensure high availability and reliability of their services, as these factors are critical to their customers' operations. Here are some of the key strategies and measures that cloud providers implement:

1. **Data Centers in Multiple Regions**: Cloud providers operate data centers in multiple geographic regions. This geographic diversity helps ensure that even if one data center experiences an issue, services can be rerouted to another location with minimal disruption.

2. **Redundancy**: Cloud providers build redundancy into their infrastructure. This includes redundant servers, networking equipment, and power supplies. If one component fails, another can seamlessly take over.

3. **Load Balancing**: Load balancers distribute network traffic across multiple servers or instances to ensure that no single server becomes overwhelmed. This helps prevent downtime due to server overload.

4. **Failover and Disaster Recovery**: Cloud providers have failover mechanisms in place. If a server or data center becomes unavailable, services can automatically switch to a backup or secondary site. This is crucial for disaster recovery.

5. **Backup and Data Replication**: Data is often backed up and replicated across multiple data centers. This ensures data durability and availability even in the event of data center failures.

6. **Monitoring and Alerting**: Cloud providers employ advanced monitoring systems to constantly check the health and performance of their services. When issues are detected, automated alerts notify administrators for rapid response.

7. **Scalability**: Cloud services can dynamically scale up or down based on demand. This allows them to handle sudden increases in traffic without performance degradation.

8. **Security Measures**: Robust security measures are in place to protect against cyber threats and unauthorized access, which can impact availability. These measures include firewalls, encryption, and identity and access management.

9. **Regular Maintenance and Updates**: Cloud providers perform regular maintenance and updates to keep their infrastructure secure and reliable. They often schedule these during low-traffic periods to minimize disruption.

10. **Service-Level Agreements (SLAs)**: Cloud providers typically offer SLAs that specify guaranteed levels of uptime and availability. If they fail to meet these commitments, customers may be eligible for service credits or compensation.

11. **Global Content Delivery**: Content delivery networks (CDNs) are used to cache and deliver content from edge locations closer to end-users, reducing latency and improving availability.

12. **Physical Security**: Data centers are physically secure, with restricted access to authorized personnel only. They are also designed to withstand natural disasters.

13. **Disaster Response Plans**: Cloud providers have plans in place for responding to natural disasters or other emergencies. These plans may include data recovery procedures and alternative infrastructure.

By implementing these measures and continuously improving their infrastructure and services, cloud providers aim to deliver high levels of availability and reliability to their customers, enabling businesses to operate with confidence in the cloud.