What is Migration?
Migration simply means moving your business systems and data from one environment to another. For IT, this usually involves shifting from on-premises servers (hardware you own and manage) to cloud platforms (services hosted by providers like Microsoft Azure or AWS), or adopting a hybrid approach that blends both.
Think of it like moving house:
- On-premises: owning your home (full control, but high maintenance).
- Cloud: renting a modern apartment (flexible, less upkeep).
- Hybrid: keeping your home but renting extra space when needed.
Why Migration Matters for Australian SMBs
Cloud adoption is surging. According to the Australian Bureau of Statistics (ABS), 55.4% Australian businesses used paid cloud computing services in across 2019 – 2020, up from 19.4% in 2013 – 2014, and this rising trend progressively replicates itself year after year1. While some companies apply cloud-financial management practices to achieve cost reductions, hybrid strategies are gaining traction – 69% of organisations globally now use hybrid cloud2, and Australian SMBs are following suit for flexibility and compliance.
Option 1: On-Premises Infrastructure
Pros
- Full control over hardware, software, and security.
- Customisation for unique workloads.
- Local performance with low latency.
Cons
- High upfront costs for servers, storage, and networking.
- Ongoing maintenance and patching burden.
- Limited scalability – expanding means buying more hardware.
- Disaster recovery risk if backups aren’t robust.
Cost-Optimisation Tips
- Consolidate servers and virtualise workloads.
- Negotiate hardware leasing or Device-as-a-Service (DaaS).
- Implement strict lifecycle management to avoid costly refresh cycles.
Option 2: Cloud Infrastructure
Pros
- Scalability on demand – pay only for what you use.
- Lower capital expenditure.
- Built-in security and compliance features from providers.
- Rapid deployment for new apps and services.
Cons
- Ongoing subscription costs can spiral without governance.
- Data sovereignty concerns – ensure data stays in Australia.
- Vendor lock-in risk if tied to one provider.
Cost-Optimisation Tips
- If you’re using Azure, understand what you’re spending now and forecast what your bill is likely to be in the future3.
- Use Azure Advisor for rightsizing and idle resource detection.
- Commit to Reserved Instances for predictable workloads (up to 72% savings).
- Apply storage tiering (Cool/Archive for infrequent data).
- Rationalise Microsoft 365 licenses and automate shutdown schedules.
- Implement FinOps practices.
Option 3: Hybrid Approach
Pros
- Best of both worlds – keep sensitive data on-prem while leveraging cloud for scalability.
- Compliance-friendly for regulated industries.
- Business continuity – failover to cloud during outages.
- Flexibility for seasonal workloads and remote teams.
Cons
- Complexity – requires integration and governance.
- Potential hidden costs for data transfer and multi-cloud management.
- Skills gap – need expertise in both environments.
Cost-Optimisation Tips
- Use public cloud for burst capacity and analytics; keep core apps on-prem.
- Automate backup and disaster recovery across environments.
- Monitor data egress fees and optimise workload placement.
- Adopt containerisation for portability and reduce vendor lock-in.
Australian Trends to Note
- Hybrid adoption is accelerating: 68% of Australian companies now integrate AI and edge computing into hybrid setups for performance and compliance4.
- Cloud market growth: Australia’s cloud computing market is projected to hit AUD 20.21 billion in 2025, growing at 11.8% CAGR through 20345.
- Cost savings: SMBs report 20 – 36% IT cost reductions post-cloud migration6, plus improved agility and disaster recovery.
- Compliance spotlight: Data sovereignty under the Privacy Act and APPs means hosting data in Australian regions is critical for SMBs7.
Quick Decision Guide
| Model | Best For | Key Risk |
| On-Prem | Highly regulated, latency-sensitive | High CapEx |
| Cloud | Agility, scalability, remote work | Cost sprawl |
| Hybrid | Compliance + flexibility | Integration complexity |
Final Thoughts
Migration isn’t just an IT project – it’s a business strategy. Whether you choose on-prem, cloud, or hybrid, the goal is cost efficiency, security, and scalability. Start with a clear roadmap, optimise costs continuously, and align your choice with compliance and growth objectives.
Sources:
1. Microsoft Word – RBA conference paper on cloud computing
2. Hybrid Cloud Statistics Statistics: Market Data Report 2025
3. Optimize your Azure costs to help meet your financial objectives | Microsoft Azure Blog
4. Australia Hybrid Cloud Market Size
5. Australia Cloud Computing Market YoY Growth | 2035
6. Cloud Migration Cost Statistics For 2025–2026 – Budgeting Trends & ROI
7. Australian data sovereignty guide for multinational companies – InCountry