Traversing Transmittals:An Inside Look

User Workspace

SE_Object

API Implementation

A

C

H

D

B

E

G

F

STF

A

B

C

D

E

F

G

H

• Internal Objects

• Instantiates one per STF object

• Caches objects

• Maintains while required by user

• De-allocates when object is not needed

• STF Objects

• One place on disk for each object

• Caches disk information

• Many to one

• Context specific

• Maintained by user

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