Cloud Architecture & Migration

A transfer estimate based only on nominal link speed ignores protocol overhead, concurrency, file count, and changing source data. Checks to make Measure sustained throughput with representative data, account for small-file overhead and encryption, and calculate the initial copy plus ongoing change rate. Test restart behavior and checksum validation,...

A site migration can break external links and search visibility when old paths, status codes, or canonical URLs are not preserved. Checks to make Inventory current URLs and redirects, map old paths to relevant destinations, test permanent redirects and canonical metadata on staging, and monitor crawl and error reports after cutover. Keep redirect rules...

A database move must account for writes that occur after the initial copy and before cutover. Checks to make Choose a replication or change-capture approach, measure lag, rehearse final synchronization, and define a write freeze or controlled transition. Validate row counts and representative records, then switch clients only when the target is...

Overlapping address ranges can block connectivity between cloud networks, offices, and acquired environments. Checks to make Inventory existing subnets, VPNs, partner links, and future expansion needs. Choose nonoverlapping ranges, document routing and DNS dependencies, and test connectivity design before provisioning workloads. Include a plan for...

A low-disruption move depends on understanding user sessions, data changes, integrations, and rollback limits. Checks to make Map workflows and dependencies, rehearse a representative migration, synchronize final data, and schedule a cutover with clear validation and communication. Define when to stop or roll back and how to handle writes made during...

Large uploads can fail after migration due to proxy limits, timeouts, temporary storage, or object storage differences. Checks to make Measure real file sizes and upload patterns, review request limits and timeouts across each layer, and test interrupted and resumed transfers. Validate storage permissions, virus scanning, and cleanup of incomplete...

A move can change outbound addresses and break connections to vendors that allow only known source IPs. Checks to make Inventory integrations and allowlist owners, identify stable egress requirements, and coordinate updates before cutover. Test from the target environment and keep a monitored transition path; do not broaden allowlists beyond required...

Scheduled jobs can be missed or run twice during a migration if timing, ownership, and state are not transferred. Checks to make Inventory schedules, timezone, dependencies, locks, and downstream effects. Disable or pause the old scheduler at an agreed point, verify the new job’s first run, and reconcile outputs to avoid skipped or duplicate...