Problem Statement
The difficulties described above translate into the following problem:
- Find an efficient (high-performance and fault tolerant) method to enforce Global serializability (global conflict serializability) in a heterogeneous distributed environment of multiple autonomous database systems. The database systems may employ different concurrency control methods. No limitation should be imposed on the operations of either local transactions (confined to a single database system) or global transactions (span two or more database systems).
Read more about this topic: Global Serializability, The Global Serializability Problem
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