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Migracja Legacy… Inaczej
Artur Skowroński
Solution Architect @ VirtusLab
@ArturSkowronski
2019
HEY GUYS, IT’S ME - PANDORA
WELCOME TO MY NEW


UNBOXING VIDEO
System naturalnie rośnie
Fosa 👉 Moat 🇬🇧
Fosa 👉 Moat 🇬🇧
Moat Technologiczny - Własne Procesory
“Moat” biznesowy - Łańcuch Dostaw
“Moat” biznesowy - Łańcuch Dostaw
Solution i Enterprise Architekci prowadzący duży projekt integracyjny


Pieter Bruegel the Elder (1568)
Technology First vs Business First
Casper is a technology company


with the goal of creating the best mattresses


for its customers
Casper CEO
My job here is done
But you didn’t do anything
Product Manager w Projektach Legacy
Ja: Mamo, możemy dostać jakieś wymagania do projektu?
Mama: Nie, przecież mamy wymagania w domu
Wymagania w domu:
Feature Parity z Systemami Legacy
Najważniejsze pytanie: “Po co?”
Częstość Zmian
Złożoność
HotSpot
Super, prosto, machniemy to w godzinkę… 

Hmm… to trzeba pobrać dane z serwera Y…
A to dwa miesiące… 😈
Dowiedzmy się, kto jest


odpowiedzialny za olbrzymie
estymaty zadań
Iteracyjne podejście
AGILE KIEDYŚ AGILE DZIŚ
Siądźmy z klientem jako jeden zespół i


wspólnie wypracujmy rozwiązanie
Twój ticket jest w złym


szablonie Jiry
Nikogo nie obchodzi


nasza Java…
Hard to


swallow


pills
Mainframe
Kasy
Fiskalne
Serwer


On-Prem
Aplikacja 

w
chmurze
Aplikacja 

w
chmurze
Aplikacja 

w
chmurze
Aplikacja 

w
chmurze
3 Lata Później
Aplikacja 

w
chmurze
PROXY
Mainframe
Kasy
Fiskalne
Serwer


On-Prem
Aplikacja 

w
chmurze
Aplikacja 

w
chmurze
Aplikacja 

w
chmurze
Mainframe
Kasy
Fiskalne
Serwer


On-Prem
Jesteś u Architekta
Minimal Viable Product
Simplest Path to Value (SPV)
Continues Deployment Legacy
A że nie przepiszemy wszystkiego? Who cares
To, kogo najbardziej należy się bać, to


“straszliwi upraszczacze”
Moisés Naím


“The End of Power”
BENZYNA JEST DROGA?
CZEMU NIE KUPISZ ELEKTRYCZNEGO


SAMOCHODU?
Celowo projektujcie Wasze systemy
Zapraszam na moją prezentacje o godzinie 11:00
Migracja: Revenue Preservers
Projekty Legacy to “Value Generators”
To co, ktoś ma pomidory?
Thank you
@ArturSkowronski

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