Terdapat banyak manfaat implementasi Enterprise Architecture (EA) bagi Organisasi/ Perusahaan antara lain :
- Keselarasan (alignment) : menciptakan keselarasan antara lingkungan TI dengan kebutuhan bisnis perusahaan
- Integrasi : standard untuk interface dan aliran informasi
- Time-to-market : mengurangi siklus pengembangan aplikasi dan sistem
- Konvergensi : mengusahakan portofolio produk-produk TI standard
- Meningkatkan compatibility antar berbagai solusi yang dikembangkan masing-masing department / unit.
- Memungkinkan penggunaan ulang (re-use) solusi yang telah dibuat, sehingga mengurangi biaya investasi TI.
- Memberikan metode dan proses bersama (common).
- Meningkatkan produktivitas (productivity) dan mengurangi learning curve dari developer dan user.
- Meningkatkan komunikasi (communication) antar pengguna TI dengan developer.
- Membantu mengidentifikasi keahlian yang dibutuhkan.
Berdasarkan TOGAF, berikut ini beberapa manfaat dan keuntungan dari Implementasi EA :
- A more efficient business operation:
- Lower business operation costs
- More agile organization
- Business capabilities shared across the organization
- Lower change management costs
- More flexible workforce
- Improved business productivity
- A more efficient IT operation:
- Lower software development, support, and maintenance costs
- Increased portability of applications
- Improved interoperability and easier system and network management
- Improved ability to address critical enterprise-wide issues like security
- Easier upgrade and exchange of system components
- Better return on existing investment, reduced risk for future investment:
- Reduced complexity in the business and IT
- Maximum return on investment in existing business and IT infrastructure
- The flexibility to make, buy, or out-source business and IT solutions
- Reduced risk overall in new investments and their cost of ownership
- Faster, simpler, and cheaper procurement:
- Buying decisions are simpler, because the information governing procurement is readily available in a coherent plan
- The procurement process is faster – maximizing procurement speed and flexibility without sacrificing architectural coherence
- The ability to procure heterogeneous, multi-vendor open systems
- The ability to secure more economic capabilities