Re: dynamically linked root and nscd

From: Oleg Sharoiko (os_at_rsu.ru)
Date: 06/28/03

  • Next message: Terry Lambert: "Re: API change for bus_dma" 
    Date: Sat, 28 Jun 2003 10:25:03 +0400 (MSD)
To: Bosko Milekic <bmilekic@technokratis.com>

    On Fri, 27 Jun 2003, Bosko Milekic wrote:

    BM> So, to the guys from RSU: why is a dynamically-linked-root important
    BM> for the daemon dispatcher/cache engine idea?

    We (guys from RSU) have to have a clear understanding of the road FreeBSD's
    NSS will be developed. Linux/Solaris seem to implement 'in process' model of
    NSS. MacOS X seem to have 'IPC' model (correct me if I'm wrong).

    'In process' model has the benefit of being (semi-)compatible with existing
    NSS modules (at least it can be implemented this way). This means that
    third-party open source modules can be used in FreeBSD (ex. padl's nss_ldap).
    But 'in process' model doesn't support static binaries.

    'IPC' model will work fine with static binaries, but it's very different from
    'in process' model. With 'ICP' model FreeBSD will need it's own set of NSS
    modules.

    If I understood correctly there is some interest in combination of both of
    these model, correct? Do we really need both of this models? With dynamicly
    linked root we have a working 'in process' NSS and only 'clean caching' daemon
    is required. We are ready to work hard on a project that is really needed but
    we can not waste our time on code that will be discarded (as it happened with
    our IPC implementation of NSS).

    Our final question is: should we develop a 'caching only' daemon or a daemon
    which will also dispatch requests to NSS agents?

    I hope my English is understandable. If not - please let me know and I'll try
    to re-express my thoughts. 

    -- 
Oleg Sharoiko.
Software and Network Engineer
Computer Center of Rostov State University.
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