--- Bryan Batchelder <[EMAIL PROTECTED]> wrote: > http://www.microsoft.com/windows2000/docs/NLBtech2.doc
Thanks Bryan. I realized that I've actually skimmed this document before - I'll take the trouble to read it fully this time! "When inspecting an arriving packet, all hosts simultaneously perform a statistical mapping to quickly determine which host should handle the packet. The mapping uses a randomization function that calculates a host priority based on the client�s IP address, port, and other state information maintained to optimize load balance. The corresponding host forwards the packet up the network stack to TCP/IP, and the other cluster hosts discard it. The mapping does not vary unless the membership of cluster hosts changes, ensuring that a given client�s IP address and port will always map to the same cluster host. However, the particular cluster host to which the client�s IP address and port map cannot be predetermined since the randomization function takes into account the current and past cluster�s membership to minimize remappings." That's the answer I was looking for. Having read it, it reaffirms my opinion that NLB is a very worthy technology. :-) Peter __________________________________________________ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.
