[erlang-questions] Fault-Tolerant TCP/IP Servers

[Rick R]

You mentioned TCP/IP, but is SCTP an option? If so, your problem is solved
automatically and (almost) instantly via SCTP's multi-homing.

2008/7/16 David Mercer <dmercer@REDACTED>:

>  I must admit, I am disappointed that there is no Erlang solution.  This
> seems like a basic building block to fault-tolerant systems.  So, I am going
> to toy with my idea of having the secondary detect the failure and send the
> appropriate commands to the network to redirect traffic for the primary
> server's IP address to the secondary.  Am thinking there must be some DHCP
> commands to reassign the IP address.  Before I begin, does anyone see any
> obvious flaws in my thinking.  I am not a networking expert.  Thanks.
>
>
>
> David
>
>
>   ------------------------------
>
> *From:* David Mercer [mailto:dmercer@REDACTED]
> *Sent:* Friday, July 11, 2008 10:59
> *To:* 'erlang-questions@REDACTED'
> *Subject:* Fault-Tolerant TCP/IP Servers
>
>
>
> Say I have a TCP/IP server (e.g., a web server, FTP server, etc.) written
> in Erlang, and I want it to work through hardware failures; I need at least
> two of them.  The problem is, clients are connecting to the primary's IP
> address, so when it fails, client connections are refused instead of being
> rerouted to the secondary.  What is the Erlang approach to solving this?
>
>
>
> My thought is that you have the secondary detect the failure and send the
> appropriate commands to the network to redirect traffic for the primary
> server's IP address to the secondary.  That's my idea, but I don't really
> know if this is the appropriate solution, nor how to implement something
> like this in Erlang.
>
>
>
> Please advise.  Thank-you.
>
>
>
> David Mercer
>
>
>
>
>
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>



-- 
An idea that is not dangerous is unworthy of being called an idea at all. --
Oscar Wilde
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