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author | Thomas Schwinge <thomas@codesourcery.com> | 2012-05-24 23:08:09 +0200 |
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committer | Thomas Schwinge <thomas@codesourcery.com> | 2012-05-24 23:08:09 +0200 |
commit | 2910b7c5b1d55bc304344b584a25ea571a9075fb (patch) | |
tree | bfbfbc98d4c0e205d2726fa44170a16e8421855e /unsorted/hurd-migr | |
parent | 35b719f54c96778f571984065579625bc9f15bf5 (diff) |
Prepare toolchain/logs/master branch.
Diffstat (limited to 'unsorted/hurd-migr')
-rw-r--r-- | unsorted/hurd-migr | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/unsorted/hurd-migr b/unsorted/hurd-migr deleted file mode 100644 index ce36c86c..00000000 --- a/unsorted/hurd-migr +++ /dev/null @@ -1,141 +0,0 @@ -Path: usenet.ee.pdx.edu!cs.uoregon.edu!sgiblab!swrinde!howland.reston.ans.net!E -U.net!Germany.EU.net!netmbx.de!sietec.de!news!jh -From: jh@poseidon.sietec.de (Jochen Roger Hayek) -Newsgroups: gnu.misc.discuss -Subject: HURD & migration facilities -Date: 24 Oct 1994 15:12:34 GMT -Organization: Sietec Systemtechnik, Berlin -Lines: 16 -Distribution: world -Message-ID: <JH.94Oct24161234@poseidon.sietec.de> -Reply-To: Jochen.Roger.Hayek@sietec.de -NNTP-Posting-Host: sunmiet3.sietec.de - -I read an article from acm's sigops vol. 28, number 4 this weekend, having the -title: - - a brief survey of systems providing - process or object migration facilities - by Mark Nuttall - -I found it very instructive. - -I think process / object migration should be considered for HURD, too, -and it's important to look at that before supporting / emulating -UNIX's fork and inherited open file descriptors, -because those features might get contradictory if not carefully designed. - -Regards esp. to the HURD folks - -JH - -Path: usenet.ee.pdx.edu!cs.uoregon.edu!sgiblab!spool.mu.edu!bloom-beacon.mit.ed -u!ai-lab!life.ai.mit.edu!mib -From: mib@churchy.gnu.ai.mit.edu (Michael I Bushnell) -Newsgroups: gnu.misc.discuss -Subject: Re: HURD & migration facilities -Date: 24 Oct 1994 18:10:25 GMT -Organization: Free Software Foundation, Cambridge, MA -Lines: 27 -Distribution: world -Message-ID: <MIB.94Oct24141025@churchy.gnu.ai.mit.edu> -References: <JH.94Oct24161234@poseidon.sietec.de> -NNTP-Posting-Host: churchy.gnu.ai.mit.edu -In-reply-to: jh@poseidon.sietec.de's message of 24 Oct 1994 15:12:34 - GMT - -In article <JH.94Oct24161234@poseidon.sietec.de> jh@poseidon.sietec.de (Jochen -Roger Hayek) writes: - - I think process / object migration should be considered for HURD, too, - and it's important to look at that before supporting / emulating - UNIX's fork and inherited open file descriptors, - because those features might get contradictory if not carefully designed. - -Process migration is not a problem for the Hurd--it's a problem for -Mach. If a Mach task can be correctly migrated, then there is no -problem. - -However, I want to do more than that with the Hurd; I want to have a -collection of machines (I think I'll call it a ``Collective'') appear -as a single machine. (Shades of amoeba here.) - -This is the first (and harder) task--making a single global space of -pids, etc. - -The second (and easier) task is migration. - - -mib --- -+1 617 623 3248 (H) | En arche en ho logos, -+1 617 253 8568 (W) -+- kai ho logos en pros ton theon, -1105 Broadway | kai theos en ho logos. -Somerville, MA 02144 | Kai ho logos sarx egeneto, -mib@gnu.ai.mit.edu | kai eskenosen en hemin. - -Newsgroups: gnu.misc.discuss -Path: usenet.ee.pdx.edu!cs.uoregon.edu!reuter.cse.ogi.edu!psgrain!agora!hermes. -rdrop.com!erich -From: erich@uruk.org (Erich Boleyn) -Subject: Re: HURD & migration facilities -Sender: news@agora.rdrop.com (David Greenman) -Nntp-Posting-Host: uruk.org -Organization: RainDrop Laboratories -Message-ID: <ERICH.94Oct29093537@uruk.org> -References: <JH.94Oct24161234@poseidon.sietec.de> - <MIB.94Oct24141025@churchy.gnu.ai.mit.edu> -In-Reply-To: mib@churchy.gnu.ai.mit.edu's message of 24 Oct 1994 18:10:25 GMT -Date: Sat, 29 Oct 1994 16:35:37 GMT -Lines: 50 - - -In article <MIB.94Oct24141025@churchy.gnu.ai.mit.edu> mib@churchy.gnu.ai.mit.ed -u (Michael I Bushnell) writes: - - Process migration is not a problem for the Hurd--it's a problem for - Mach. If a Mach task can be correctly migrated, then there is no - problem. - - However, I want to do more than that with the Hurd; I want to have a - collection of machines (I think I'll call it a ``Collective'') appear - as a single machine. (Shades of amoeba here.) - -Great! (I think we talked about this before...) - - This is the first (and harder) task--making a single global space of - pids, etc. - -This point seems somewhat questionable. Maybe we're thinking about -the same idea in the long run, but I don't think that migrating -data about the whole system around would be very useful... -I mean, you still want a very large collective to work, though it -could well get bogged down by the details of huge amounts of info. - -I think a more optimal (and more practical) approach would be to: - -Create a model of a "user context" that keeps track across multiple -machines what resources and programs a user is working with. - -There would also be publically known "services" that would be advertised. -Note that "advertising" is a specific activity that is usually not -performed, unless one desires to do so. - -Anything else is really of little or no concern except to a local group of -machines (for resource-balancing issues). So machines would automatically -keep in touch with other nearby machines, but it would be modulated by -distance. - -The big question is this (and for that matter, other models) is that -of authentication in some kind of reasonably reliable manner. - - The second (and easier) task is migration. - -Agreed. - -Erich - --- -Erich Stefan Boleyn \ Mad Genius wanna-be, CyberMuffin -Mathematician, Software Engineer \ slavering computer nerd -Internet E-mail: <erich@uruk.org> \ "Forget Artificial Intelligence, -Motto: "I'll live forever or die trying" \ I want the real thing!" |