Home > Storage > PowerStore > Virtualization and Cloud > Dell PowerStore: VMware Site Recovery Manager Best Practices > Remote system network latency
Replication traffic can be tuned for higher efficiency depending on the expected network latency. If the network to the remote system has an expected latency below five milliseconds, keep the default value of Low. Otherwise, select High. Depending on the selection, different iSCSI portals with optimized buffer settings are used for the replication data traffic.