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Overview of Parrot. Static User Policy /data = /gsiftp/ftp.cs.wisc.edu/x5 /etc = /chirp/coral.cs.wisc.edu/etc /tmp = DENY. Ordinary Program. Name Resolution and Security Policies. (POSIX Interface). (Ptrace trap). Local Cache. The Parrot Virtual File System. (Policy). HTTP. FTP.

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Ordinary Program

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Slide1 l.jpg

Overview of Parrot

Static User Policy

/data = /gsiftp/ftp.cs.wisc.edu/x5

/etc = /chirp/coral.cs.wisc.edu/etc

/tmp = DENY

Ordinary

Program

Name Resolution

and Security Policies

(POSIX Interface)

(Ptrace trap)

Local

Cache

The Parrot Virtual File System

(Policy)

HTTP

FTP

RFIO

NeST

Chirp

Condor

Proxy

(I/O)

Whole File I/O

(get/put)

Partial File I/O

(open,close,read,write, lseek)

Secure

Remote

RPC

HTTP

Server

FTP

Server

RFIO

Server

NeST

Server

Chirp

Server

Condor

Shadow

Dynamic

User

Policy

Traditional

I/O Services

Integration

with Castor

Allocation

and Mgmt

Full UNIX

Semantics

Integration

with Condor


Slide2 l.jpg

Chirp!

NeST!

RFIO!

FTP!

HTTP!


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