Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!sun-barr!newstop!sun!claris!peirce From: peirce@claris.com (Michael Peirce) Newsgroups: comp.sys.mac Subject: Re: Do you want to transfer files over AppleTalk? Message-ID: <10588@claris.com> Date: 29 Sep 89 16:43:11 GMT References: <10169@bsu-cs.bsu.edu> <45eb3ff4.1285f@maize.engin.umich.edu> Reply-To: peirce@claris.com (Michael Peirce) Organization: Claris Corporation, Santa Clara CA Lines: 53 In article <45eb3ff4.1285f@maize.engin.umich.edu> mystone@sol.engin.umich.edu writes: >In article <10169@bsu-cs.bsu.edu> mithomas@bsu-cs.bsu.edu (Michael Thomas Niehaus) writes: >>How many times have you had to pop a disk into one Mac just to copy a file >>to a Macintosh sitting three feet away? Now, if you have your machines >>networked together, you can transfer files over AppleTalk (no disks needed). >> >>How do you do this? Use "Public Folder." Claris has been kind enough to >>release this handy utility AT NO COST. Because this is free software >>... > > Does it use ADSP or ATP for transferring files? Unless is uses ADSP, I'm >not impressed. OK, ok, maybe I'll be impressed a little bit, but I wouldn't be impressed as much as I would be if it uses ADSP. > >_______________________________________________________________________________ >Dean Yu | E-mail: mystone@caen.engin.umich.edu >Self-declared License Czar | Real-mail: Dean Yu >University of Michigan | 909 Church St >Computer Aided Engineering Network | Apt C > INCLUDE 'Disclaimers.a' | Ann Arbor, MI 48104 >------------------------------------------------------------------------------- Why in the world would people care if it uses ATP or ADSP??? Public Folder does the job and it does it with decient performance. Typical tranfer rates are 15K bytes per seconds using LocalTalk to LocalTalk and maybe 55K bytes per second EtherTalk to EtherTalk. These transfer rates include all the overhead: open remote file, read remote file, close remote file, create local file, open, write, close, flushVol, as well as transfer over the network. Your milage WILL vary based on network traffic, how many bridges you have to go through, speed of the two Macs and their disks, and phase of the moon (always the most important variable!). In practice this seems pretty good. For short files transfer time is negligible. Transfering a 10M hard disk took under four minutes over the ethernet... For the record, I did used ATP, rather then ADSP. With ATP I didn't need to allocate too much buffering. This allows Public Folder's server resident code and data buffers to take up less than 10K. This compares well with the alternatives (TOPS is a memory pig IMHO). Anyways, I hope people find Public Folder useful even though it uses the dreaded ATP ;-) Claris Corp. | Michael R. Peirce (author of Public Folder) -------------+-------------------------------------- | 5201 Patrick Henry Drive MS-C4 | Box 58168 | Santa Clara, CA 95051-8168 | (408) 987-7319 | AppleLink: peirce1 | Internet: peirce@claris.com | uucp: {ames,decwrl,apple,sun}!claris!peirce