Overview of File System Architecture

• FileAcessAgent

• Client Program

- create FileAccess agent and set its itinerary by reading tasklist.

- format of tasklist file

urn.ans.fourier.cs.umn.edu/rsingh/afsServer fetch somefile

urn.ans.fourier.cs.umn.edu/rsingh/afsServer deposit inputFile outputFile

urn.ans.fourier.cs.umn.edu/rsingh/afsServer transfer largeFile

- set agent credentials and sign the credentials using owner’s (user) public key.

- execute start method to launch the agent to first server in itinerary

- Client runs Listener thread on designated port to receive data for file transfer request

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