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ITS Printing Services 25 January, 2006 Chris Sacksteder, [email protected] http://clc.its.psu.edu/About/Presentations/NWOP200601 Agenda Who Why What was done, needs to be done How does existing system work When can you sign up Questions, Comments, Discussion Who

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Its printing services l.jpg

ITS Printing Services

25 January, 2006

Chris Sacksteder, [email protected]

http://clc.its.psu.edu/About/Presentations/NWOP200601


Agenda l.jpg
Agenda

  • Who

  • Why

  • Whatwas done, needs to be done

  • How does existing system work

  • When can you sign up

  • Questions, Comments, Discussion

ITS Printing Services


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Who

ITS Printing Services Working Group

Committee formed August 2005 to propose a chargeback printing service.

Members

  • CLC

    • Chris Sacksteder

    • John Cripe

  • ASET

    • Phil Pishioneri

    • Mark Campbell

    • Greta Armstrong

    • Jerry Mihaly

    • Robyn Wang

ITS Printing Services


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Why

  • Many units have long wanted to charge for or limit student printing(often more for printing control rather than cost recovery)

  • One campus and a couple departments at UP have been supported for a while(kinda unofficial)

  • Things change (d) when PSU Gina is (was) removed(oops)

ITS Printing Services


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What . . .

. . . has been done:

  • Defined service requirements

  • Listed and understood all the components

  • Examined possible services

  • Researched technical questions

  • Developed software

    . . . needs to be done:

  • Implement prototypes

  • Propose exact ITS services

  • Finish software development

ITS Printing Services


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Service Requirements

Definite:

  • Printing is securea user can't easily tag a print job with someone else's userid

  • Chargeback is through the bursarstudents only, for now

  • Accommodates students' "free pages" and limitswhen they have not agreed to billed for printing via a signature station

  • Credits can be requested for spoiled jobs or jobs that did not printprocess needs to be efficient

ITS Printing Services


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Service Requirements

Maybe:

  • Notification to user's workstation when the print job is done

  • Web page to query user status(free pages remaining, jobs printed, etc.)

  • Redundant print servers(automatic failover)

  • Queue management

  • Remote printing(not a CLC service yet)

ITS Printing Services


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CLC Printing Components

The committee decided to use our existing system rather than buying or building a new system. Components that go into this system include:

  • Printers and Print Servers

    • acquisition: buying and replacing the hardware

    • network: acquiring a network interface

    • installation: connecting them to a network, defining printer and print queues on server

    • maintenance: buying and refilling paper and toner; fixing broken printers or servers; updating OS or firmware

ITS Printing Services


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CLC Printing Components (cont.)

  • Printing Methods

    • LPR and SMB (domain credentials with the latter)

    • authentication (Uniprint exits and PALS)

    • authorization (Uniprint exits and PALS)

    • queue balancing (Uniprint)

    • page counting (Uniprint)

    • user notification (Uniprint and UpdtServ on Windows, "Uniprint" on Macs)

ITS Printing Services


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CLC Printing Components (cont.)

  • Queue Management

    • reassign queues to different servers

    • dynamic configuration of clients

  • User Information

    • web page to query status, job, and page count

    • web page to show print jobs and credits (under consideration)

  • ITS Printing Services


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    CLC Printing Components (cont.)

    Limits and Billing

    • signature stations, agree to billing flag (Cactus, Pals) (may move this off signature stations)

    • prepaid pages (manual, PalsDB client)

    • free pages, extra free pages (Pals)

    • page limits (Pals and Uniprint exits)

    • billing (Pals, Cactus, Bursar)

    • note: the bursar will take a % of printing income for "new" services

    • page credits (web form; manual data entry into Cactus and Pals; planned to be streamlined)

    • print charges (rates) have to be approved by the controller's office

    ITS Printing Services


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    Research Questions

    Printing from access.psu.edu or domains with trust to dce.psu.edu

    • Can users logged into a computer with a dce.psu.edu\<userid> account connect to and print to printers in the labs.win.psu.edu domain?

      • From an OU in access.psu.edu: YES

      • From a child domain under access.psu.edu: YES

      • From a third forest with a trust to dce.psu.edu: YES

  • All shadow accounts in win.psu.edu have been set with name mappings for dce.psu.edu

  • ITS Printing Services


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    Software Development

    • PALS: new verb SDATA for login and logout records

      • multiple keys needed for a secure signature

      • still lightweight

      • done and in production!

  • New client code

    • PSUWinlogonEvents: done

    • Macintosh OS 10 “Pals”: in production

    • Linux: tbd

  • ITS Printing Services


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    Software Development (cont.)

    • PALS: move user data to SQL server

      • IP addresses: who is logged in where

      • Users: jobs, pages, limits

      • Add credit data

      • Print job data

      • Distributed, disconnected model: database transactions all asynchronous

      • Need 100% up time

    ITS Printing Services


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    Service Scenarios

    Many possibilities; a limited set needs to be defined, e.g.:

    • For departments at UP: Department buys the first printer; CLC runs servers and printers, printers are treated like lab printers and CLC gets any income.

      • easiest

      • not necessarily appropriate

  • Campus: CLC runs the Uniprint database, campus staff run the printer servers and printers; they get the money.

    • need skilled staff at location

    • need to distribute and maintain Uniprint exits

  • ITS Printing Services


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    Service Scenarios (cont.)

    But in all likelihood:

    • Printing will be controlled with Pals

    • We will provide for credit requests

    • We will send data to Cactus

    • Cactus will send data to the bursar

    • Bursar will add charges to the students’ accounts

    ITS Printing Services


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    Pharos Uniprint Licensing

    • UP site license covers all at UP

    • Additional locations: $$$$$

    • ITS Computer Store is working on it

    • What is it worth to you?

    ITS Printing Services


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    When?

    • Prototype with College of Communications Lab . . . now

    • Convert Harrisburg this summer (?)

    • Test with other locations this summer (?)

    • Target Fall Semester 2006 (?)

    ITS Printing Services


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    Now . . .

    • If you are interested in chargeback for color printing . . .

    • . . . and no rate is set . . .

      • HP Color LaserJet ($0.15, $0.30)

      • Epson 4000 ($1.75, $3.50)

      • http://clc.its.psu.edu/Printing/Limits/

  • Start collecting data now on consumables and begin the process for getting a rate established

  • ITS Printing Services


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    Agenda

    • Who

    • Why

    • Whatwas done, needs to be done

    • How does existing system work

    • When can you sign up

    • Questions, Comments, Discussion

    ITS Printing Services


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    Questions? Comments?

    Chris Sacksteder,[email protected]

    http://clc.its.psu.edu/About/Presentations/NWOP200601

    Lab Use Data Presentation

    ITS Printing Services


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