#ECP

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Enterprise Cache Protocol (ECP): a distributed data caching architecture that manages the distribution of data and locks among a heterogeneous network of server systems.

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Discussion Infant Livingston · Jul 10, 2025

Seeking Guidance on System Upgrade from Caché to IRIS using ECP

Hello Community,

I'm currently planning a system upgrade from Caché (2018.1.8.766) to InterSystems IRIS (2024.1). The environment consists of one database server and three application servers connected via ECP.

I’m considering two possible upgrade approaches:

  1. Upgrade the application servers to IRIS first.
    Since IRIS is expected to be backward-compatible with Caché over ECP, the database server would remain on Caché temporarily.
  2. Upgrade the database server first,
    followed by upgrading the application servers, as they don’t store data.
#InterSystems IRIS #Caché #HealthShare #InterSystems IRIS for Health #ECP
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