7.1 Real-time Compression background, overview, and value proposition7.1.1 The solution: IBM Real-time Compression7.1.2 Common use cases7.2 IBM Real-time Compression technology7.2.1 Random Access Compression Engine7.2.2 RACE in SAN Volume Controller software stack7.2.3 Data write flow7.2.4 Data read flow7.2.5 Compression of existing data7.3 SVC 2145-DH8 node software and hardware updates that enhance Real-time Compression7.3.1 Software enhancements7.3.2 Hardware updates