A systems architecture concept that refers to a cross-cutting concern or a functional layer that spans multiple components or modules within a larger system. In crypto, it might represent a common service or capability applied across various trading or investment products.
Mechanism
In the context of crypto trading systems, a horizontal slice typically functions as a shared service layer, such as authentication, logging, market data aggregation, or risk calculation, that all vertical business logic components depend upon. This architecture promotes modularity and reusability, as changes to a horizontal slice impact its behavior uniformly across the system without requiring modifications to each individual application component.
Methodology
The methodology involves designing and implementing these common functionalities independently from specific application logic, allowing for their centralized management and standardized application. For instance, a “regulatory compliance” horizontal slice could ensure all crypto trades adhere to specific rules regardless of the asset or trading strategy, enhancing system maintainability, scalability, and adherence to operational standards across the institutional crypto trading platform.
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