Term | Definition |
Cassandra | An open source distributed highly scalable and available database. |
CBT | Changed Block Tracking mechanism vSphere Storage API - Data Protection use. Not used by vSphere Replication |
Cloud proxy | Multitenant tunneling component running in the service provider environment |
FastLZ | Compression library used by vSphere Replication. Provides good CPU : compression ratio |
FQDN | Fully Qualified Domain Name (for example, cloudproxy.example.com) |
HBR | Host-based replication (another name for vSphere Replication) |
HCS | HBR Cloud Service (another name for vSphere Replication Cloud Service) |
HMS | HBR Management Service (another name for vSphere Replication Manager Server) |
hbrdisk.RDID | Redo log file in the target datastore location |
MPIT | Multiple point-in-time (snapshots) |
NFC | Network File Copy. Protocol used to move replicated data from a vSphere Replication Server to a vSphere datastore |
RabbitMQ | An open source Message Queue Service used to route messages between vCloud Director and vCloud Availability for vCloud Director components |
Replication group | Group of disks that belong to the same virtual machine and are replicated together |
RPO | Recovery Point Objective. Policy that defines the maximum tolerable amount of data loss measured as a period of time |
RTO | Recovery Time Objective. Policy that defines the maximum tolerable downtime of an application |
vCloud Tunneling Agent | Software component running as part of vSphere Replication Manager Server on premises. Terminates to and from the cloud tunnels with Cloud Proxy |
vSphere Replication | Hypervisor-based replication technology used by vCloud Availability for vCloud Director |
vSphere Replication Agent | vSphere component that manages replication at ESXi host level |
vSphere Replication Cloud Service | Provides vSphere Replication APIs through vCloud extension and multitenancy |
vSphere Replication Manager Server | Appliance that manages the environment and receives replicated data |
vRealize Orchestrator | Extensible workflow solution used for orchestrating complex disaster recovery procedures |
vSphere Replication Server | Appliance that receives replicated data |
vSCSI Filter | vSphere component that capture writes for replication |
VSS | Microsoft Volume Shadow Copy Service. Feature of Microsoft products enabling app-level and file-level consistency during backup or replication |