Path: utzoo!attcan!uunet!cs.utexas.edu!mailrus!shadooby!netnews.engin.umich.edu!caen.engin.umich.edu!mystone From: mystone@caen.engin.umich.edu (Dean Yu) Newsgroups: comp.sys.mac Subject: Re: Do you want to transfer files over AppleTalk? Message-ID: <45f37e97.1285f@maize.engin.umich.edu> Date: 30 Sep 89 17:54:00 GMT References: <10169@bsu-cs.bsu.edu> <45eb3ff4.1285f@maize.engin.umich.edu> <10588@claris.com> Reply-To: mystone@sol.engin.umich.edu Organization: Computer Aided Engineering Network, University of Michigan Lines: 39 Sender: Followup-To: In article <10588@claris.com> peirce@claris.com (Michael Peirce) writes: >In article <45eb3ff4.1285f@maize.engin.umich.edu> mystone@sol.engin.umich.edu writes: >> >> 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. >> > >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!). > Excuse me. I meant AFP. (In both posts.) ADSP is a faster protocol than AFP. > >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 ;-) > > I meant no negative criticism to you, Mike. I was wondering about the throughput of Public Folder. If it's as fast as you say, I'm not going to complain. _______________________________________________________________________________ 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 -------------------------------------------------------------------------------