2015年-SWIFT环球同业银行金融电讯_Best_Practice_for_successful_implementation_of_ISO_20022_for_FI_12页_459kb

ISO 20022 Implementation Best Practices for Financial Institutions

Core Content

ISO 20022 is a global, open financial messaging standard that enables comprehensive and interoperable communication across the financial industry. It is designed to support the full end-to-end transaction cycle for payments, securities, and trade transactions, and offers enhanced data capabilities compared to legacy standards like MT.

Main Benefits of ISO 20022

• Rich and comprehensive information: Covers full transaction cycles and includes data sets for investment funds, enhanced remittance, longer references, and support for non-Latin characters.
• Supports interoperability and harmonisation: Helps unify previously non-interoperable formats, improving operational efficiency and reducing costs and risks.
• Accommodates global and local standards: Enables the definition of global market practices and supports local implementation based on specific requirements.
• Easy data consumption: Uses structured XML, making it easier to implement and consume data in modern IT platforms.

Growth of ISO 20022 Adoption

• Approximately 200 initiatives worldwide are either implemented or planning to implement ISO 20022 across multiple domains.
• Adoption is driven by market infrastructures, which act as catalysts and organisers for the standard's implementation.
• Key drivers include regulatory reform, market integration, automation, cost-efficiency, and the replacement of legacy systems.

Adoption Approaches by Market Infrastructures

There are two primary approaches:

1. Like-for-like adoption: Replicates existing business functionality without enhancements. This is an intermediate step towards full implementation, allowing market infrastructure participants to transition gradually.
2. Full implementation: Leverages the full richness of ISO 20022 to offer improved services, new message flows, and data elements. This is typically used when legacy functionality cannot be replicated effectively.

Market infrastructures also choose between different customer rollout strategies:

• Big bang: All customers are migrated at the same time.
• Phased: Migration occurs in batches or waves.
• Free: Customers decide their own migration timing.

Implementation Approaches for Financial Institutions

Financial institutions typically adopt one of two strategies:

1. Tactical/translation approach: Involves translating ISO 20022 messages to legacy/proprietary formats. This minimises implementation effort but is only viable for like-for-like adoption.
2. Strategic/native approach: Adapts the institution's infrastructure and applications to support ISO 20022 directly. This results in a more future-proof architecture and allows for re-use across multiple initiatives.

Best Practices for Implementation

1. Undertake ISO 20022 Impact Assessment

• Business impact assessment: Evaluates external dependencies, business flows, and message types with counterparties.
• Technology impact assessment: Reviews internal applications and defines requirements for producing or consuming ISO 20022 data.
• Roadmap: Outlines the scope, phasing, and expected impact across business areas, systems, and geographies.
• Business case: Quantifies costs and benefits, including one-off investments, recurring expenses, cost savings, and strategic advantages.

2. Define the ISO 20022 Solution Design

The solution design includes four interdependent architectural layers:

• Business layer: Defines business process flows and market practice guidelines.
• Data layer: Involves message development, data mapping, and transformation rules.
• Application layer: Specifies requirements for new or existing tools (e.g., middleware, connectors, converters).
• Technology layer: Ensures the adequacy of networks and processing systems, including performance and recovery considerations.

3. Take a Holistic and Balanced Approach

• Holistic view across business lines: Ensure all relevant business areas are involved in the implementation planning.
• Balance business and IT stakeholders: Business stakeholders provide functional requirements, while IT manages the technical execution and budget.
• Central data view: Build a unified and complete data model to support accurate and efficient design, integration, and maintenance.

How SWIFT Can Help

SWIFT supports financial institutions through:

• Standardisation: Providing secure and reliable financial messaging services.
• Best practice sharing: Offering insights and guidance based on over 150 standards consulting projects.
• Specialised tools and services: Delivering a one-stop-shop for ISO 20022 implementation, including automation and integration solutions.

Conclusion

There is no single approach to ISO 20022 implementation, as each organisation has unique needs and contexts. However, best practices such as impact assessment, solution design, and a holistic, balanced approach can help ensure a successful and future-proof transition. SWIFT plays a key role in facilitating this process and supporting the global adoption of ISO 20022.