Patent ID: 8095503

Claim:
A method of accessing data in an object-based data storage system including a first computer and a second computer, said method comprising: said first computer obtaining a data access map from said second computer, wherein said data access map contains information to be interpreted by said first computer to perform said data access; said first computer interpreting said data access map so as to determine a first set of operations needed to be performed by said first computer for accessing said data; and said first computer performing said first set of operations and a second set of operations to access said data wherein said first computer performing said second set of operations includes: said first computer constructing a directed acyclic graph (DAG) after interpreting said information in said data access map, wherein said DAG identifies a sequence for said second set of operations needed to be performed by said first computer for accessing said data; and said first computer executing said DAG to perform said second set of operations in said sequence.