SOA filling the Gaps

Ten years ago Reuse was the promise of SOA . Almost 15 to 20 years ago Reuse was described as main benefit of Object Oriented .  SOA Reuse is Easy to say and hard to do . 100% Reuse was an unrealistic target. However, even 30% Reuse ratio could provide significant Business Value.  There are Systems or Systems Components, which you can not break into Services reasonably, e.g. Batch Systems or Legacy Systems . People tend to ignore systems that do not fit well to the Service Oriented Architecture due to lack of Reuse or insignificant Reuse. They should not . Instead of ignoring them by fitting them into  Services Framework and Architecture, they should accept the reality, that building Services for these Systems is wrong.  Douglas Adams's Last Chance to see Douglas Adams 's most famous book are  The  Hitchhiker's Guide to the Galaxy  book.  However, Adams's favorite book was: Last Chance to see  which was written together with Mark...