Backup Architecture Reference

Cloud Backup & Disaster Recovery Services in Orlando

The following service categories represent the technical scope typically addressed in a managed backup and disaster-recovery engagement for a Central Florida SMB environment, from backup topology to recovery validation.

Core Backup & Continuity Services

Managed Backup & Disaster-Recovery-as-a-Service

Managed Backup & Disaster-Recovery-as-a-Service BaaS and DRaaS differ in scope. BaaS covers the backup infrastructure and its management: configuration, scheduling, monitoring, retention enforcement, and periodic restore testing. The recovery process, if needed, remains the client's responsibility. DRaaS adds recovery orchestration: the provider maintains runbooks, pre-staged recovery environments (virtual or cloud-based), and committed RTO/RPO SLAs. For workloads where the acceptable downtime window is narrow — under four hours, for example — DRaaS is the appropriate model. For workloads where a 24-hour RTO is tolerable, a BaaS arrangement with a tested restore procedure and documented runbook may be sufficient. The distinction is worth making explicitly in any service scope discussion, because the cost and architecture differ substantially.

Cloud, Microsoft 365 & SaaS Backup

Cloud, Microsoft 365 & SaaS Backup Microsoft 365's shared-responsibility boundary sits at the application layer: Microsoft operates the infrastructure and guarantees service availability, but does not maintain point-in-time restorable copies of tenant data against user-error, sync-conflict, or malicious-deletion scenarios. The native retention mechanisms in Exchange Online (Recoverable Items folder, Litigation Hold) and SharePoint Online (recycle bin, versioning) have defined windows and are not equivalent to backup — they cannot be used for arbitrary point-in-time recovery outside those windows. A cloud-to-cloud backup solution captures versioned, immutable copies of mailboxes, SharePoint sites, OneDrive libraries, and Teams data to a storage target outside the Microsoft tenancy, with configurable retention and granular restore capability. The same architectural gap applies to Google Workspace and other SaaS platforms with similar shared-responsibility models.

Ransomware-Resilient, Immutable & Air-Gapped Backups

Ransomware-Resilient, Immutable & Air-Gapped Backups Object-lock immutability on cloud storage enforces a write-once-read-many constraint at the storage API layer: data written during the retention period cannot be overwritten or deleted regardless of the IAM credentials used to attempt the operation. This is enforced by the storage platform, not the backup software, which means it holds even if the backup software itself is compromised. Air-gap topology goes further: the backup copy is not network-accessible during normal operations, eliminating it from the reachable attack surface entirely. The 3-2-1-1-0 model formalizes both requirements: three copies, two media types, one offsite, one immutable or air-gapped, zero unverified. The '0' is the verification requirement — a backup that has not produced a documented successful restore is operationally unverified regardless of its stored state.

Server, NAS & Endpoint Backup with Replication

Server, NAS & Endpoint Backup with Replication Image-level backup captures a block-level snapshot of a server volume, producing a restorable image that includes the OS, application state, and data — suitable for bare-metal recovery or P2V/V2V conversion. File-level backup operates above the filesystem and supports granular restore but requires a functional OS target. Most production backup programs for SMBs use image-level as the primary method, with file-level granularity exposed through the image. NAS backup presents a separate consideration: the backup client typically runs on a separate agent connecting to NAS shares via SMB/NFS, and the backup is of the share contents rather than the NAS OS. Endpoint backup — covering workstations and laptops — requires a lightweight agent and network-agnostic transfer (important for remote workers), with deduplication to manage the volume of unique data across many endpoints. Replication copies backup data to a secondary target as it is written or on a short cycle, providing geographic redundancy and reducing recovery-point loss from a single-site failure.

What Onboarding a Backup Engagement Looks Like

What Onboarding a Backup Engagement Looks Like Scoping a backup engagement starts with workload inventory: servers (physical and virtual), NAS volumes, endpoint count and OS breakdown, SaaS platforms in use, and estimated total data under protection. RTO and RPO requirements are gathered per workload class — not all systems have the same recovery urgency. Retention requirements are mapped against applicable compliance frameworks. From this, the provider designs the backup topology: capture method per workload type, local retention window, cloud replication target and frequency, immutability settings, and GFS schedule. Initial seeding of cloud repositories for large datasets typically uses a local-to-cloud accelerated path or a physical seed device to avoid weeks of WAN transfer. The engagement is not operationally validated until a full end-to-end test restore has been executed — restoring at least one image-level backup to a target environment, booting it, and verifying application functionality against a documented checklist.

Based in the Orlando metro? To scope a cloud backup and disaster recovery plan with the Oviedo-headquartered provider on Plaza Drive, see dytech.com/services/cloudcomputing/ or call (407) 678-8300.

This site provides general educational information about managed IT services and the technology landscape for businesses in the Orlando, Florida area, and is independently maintained. It is not professional engineering, legal, or compliance advice. For an evaluation of your specific environment, contact a licensed managed services provider directly.