https://blogs.cisco.com/networking/data-center-replication-wan-optimization-vs-bandwidth-upgrade
Data Center Replication: WAN Optimization vs. Bandwidth Upgrade - Cisco Blogs
Feb 14, 2014 - During the past years WAN optimization devices were used to optimize end-user traffic mainly. Employers connecting to remote applications can achieve
data center replicationwan optimizationvsbandwidthupgrade
https://solr.apache.org/guide/8_9/cross-data-center-replication-cdcr.html
Cross Data Center Replication (CDCR) | Apache Solr Reference Guide 8.9
data center replicationapache solrreference guidecrosscdcr