Answer:
Software redundancy techniques are methods used to ensure the reliability and availability of software systems. These techniques involve adding extra layers of functionality or data to a software system, so that if one component fails, the system can still function using the redundant component. This can improve the reliability and availability of the system, and reduce the likelihood of failures or disruptions.
Some examples of software redundancy techniques include:
- Mirroring: This involves creating an exact copy of a system or data, and storing it on a separate server or location. If one system or data set fails, the other can be used as a backup.
- Redundant arrays of independent disks (RAID): This involves using multiple disk drives to store data, so that if one drive fails, the data can be reconstructed using the other drives.
- Load balancing: This involves distributing workloads across multiple servers or systems, so that if one system fails, the workload can be handled by the others.
Overall, software redundancy techniques are an important way to improve the reliability and availability of software systems, and to reduce the impact of failures or disruptions on the operation of the system.