Date: Tue, 27 Jun 2000 04:37:51 +0900 From: Noritoshi Demizu <demizu@acm.org> To: ccegongw@nus.edu.sg Cc: freebsd-net@freebsd.org Subject: Re: <Linux Virtual Server> Equivalent in FreeBSD? Message-ID: <20000627043751P.demizu@dd.iij4u.or.jp> In-Reply-To: Your message of "Sun, 25 Jun 2000 17:16:04 %2B0800" References: <4.3.2.7.0.20000625170617.00ad95c0@137.132.21.1>
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We are planning to release our experimental clustering code within a
few weeks. Our code does:
> 1. load sharing among many real servers,
> 2. able to automatically detect failure real server and avoid
> forwarding request to it
- dispatching algorithm can be chosen from RR, WRR, LC, WLC
- shared IP addresses are set to lo0 of servers automatically.
However,
- Because probing mechanism is implemented with independent daemons,
our implementation cannot detect application level troubles including
heavy paging (slashing?).
- No code to calculate proper weights for each server. :-)
- No takeover mechanism for balancing box.
- No contents management mechanisms.
- still under development.
Best Regards,
Noritoshi Demizu
ps. We put kernel side code at the following URL for those who have interests.
http://landwalker.aist-nara.ac.jp/cluster/tiny-las/
Userland code will be available soon after copyright issues are solved.
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