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Re: vk_l4 -- CVS Setup
From: |
Debian UserAd Buijsen |
Subject: |
Re: vk_l4 -- CVS Setup |
Date: |
Fri, 26 Oct 2001 15:25:19 +0200 (CEST) |
>> Reading the L4 definition, the IPC mechanisms seem very specific to
>> machines with some sort of shared address space access. It think it
>> would be very difficult to extend the idea of network transparency to L4
>> without destroying it's simplicity. L4 is already doing a number of
>> memory tricks to keep context switching cheap between it's threads,
>> using segment registers and such, where possible.
>>
>> Network transparent RPC definitely seems like a userspace candidate to
>> me. The RPC you are describing would be built as messages to some sort
>> of RPC server (L4 server) making use of the L4 ipc calls to communicate
>> the message to the server. All concepts of networking and such would be
>> strictly outside of the L4 kernel.
>>
>> -- Ian
Version 2 of the L4 spec. has Unique IDs containing a "site" field, so
kernel-assisted
remote IPC was considered at a time, I presume. A "site-fault" for non-local
IPC would be
one method to handle it, or a generalized form of IPC redirection.
Ad
vk_l4 -- CVS Setup, Ian Duggan, 2001/10/23
- Re: vk_l4 -- CVS Setup, Farid Hajji, 2001/10/23
- Re: vk_l4 -- CVS Setup, Jeroen Dekkers, 2001/10/24
- Re: vk_l4 -- CVS Setup, Farid Hajji, 2001/10/24
- Re: vk_l4 -- CVS Setup, Niels Möller, 2001/10/25
- Re: vk_l4 -- CVS Setup, Ian Duggan, 2001/10/25
- Re: vk_l4 -- CVS Setup,
Debian UserAd Buijsen <=
- Network-transparent IPC (was Re: vk_l4 -- CVS Setup), Michael Hohmuth, 2001/10/29
- Re: Network-transparent IPC (was Re: vk_l4 -- CVS Setup), Farid Hajji, 2001/10/30
- Re: Network-transparent IPC (was Re: vk_l4 -- CVS Setup), Michael Hohmuth, 2001/10/30
Re: vk_l4 -- CVS Setup, Farid Hajji, 2001/10/29
Re: vk_l4 -- CVS Setup, Farid Hajji, 2001/10/29
Re: vk_l4 -- CVS Setup, Niels Möller, 2001/10/30
Re: vk_l4 -- CVS Setup, Espen Skoglund, 2001/10/30
Re: vk_l4 -- CVS Setup, Farid Hajji, 2001/10/29
Re: vk_l4 -- CVS Setup, Neal H Walfield, 2001/10/25
Re: vk_l4 -- CVS Setup, Farid Hajji, 2001/10/29