LSE is undertaking a hardware refresh for its London Stock Exchange Derivatives Market (LSEDM) trading system, to be known as SOLA 8.
While there will be no impact to LSEDM production interfaces, two Customer Dress Rehearsal (CDR) weekends are scheduled, one of which will include a mandatory Alternate Site Recovery (ASR) test. During the CDR weekends, customers will be able to connect their applications to the production environment and perform usual trading activities. Please note a full schedule of activity for the CDR weekends will be made available closer to the dates.
For additional detail, please see the attached Technical Notice from LSE, here