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I see, thanks for the explanation!
I'm afraid you'll have no choice, though, but to relay the message via the
local daemon. I know that creates a window of vulnerability, but it cannot
Passing full contact info for all daemons to all procs would take us back a
few steps and cause a whole lot of sockets to be opened...
On 5/29/08 8:04 AM, "Leonardo Fialho" <lfialho_at_[hidden]> wrote:
> I want to implement a receiver based message log (called RADIC
> architecture) that stores the log file in another node (than no stable
> storage is necessary).
> I developed a wrapper to PML that manage the messages and then store it
> locally (or in a stable storage), but now I need to migrate this "log
> file" to other node. Only PML need this file (to generate and recovery
> after a fail) but ORTE daemon store and manage the files to launch then
> when one node dies.
> In this approach ORTE daemon are treated like application "protectors",
> and the application are the "protected".
> Ralph H Castain escribió:
>> There is no way to send a message to a daemon located on another node
>> without relaying it through the local daemon. The application procs have no
>> knowledge of the contact info for any daemon other than their own, so even
>> using the direct routed module would not work.
>> Can you provide some reason why the normal relay is unacceptable? And why
>> the PML would want to communicate with a daemon, which, after all, is -not-
>> an MPI process and has no idea what a PML is?
>> On 5/29/08 7:41 AM, "Leonardo Fialho" <lfialho_at_[hidden]> wrote:
>>> Hi All,
>>> If, inside a PML component I need to send a message to the ORTE daemon
>>> located in other node, how can I do it?
>>> It´s safe to create a thread to manage this communication independently
>>> or Open MPI have any service to do it (like RML in ORTE environment)?
>>> I saw a socket connection between the application and the local ORTE
>>> daemon, but I don´t want to send the message to local ORTE daemon an
>>> then it send the same message to que remote ORTE daemon...
>> devel mailing list