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diff --git a/pipermail/nel/2001-June/000431.html b/pipermail/nel/2001-June/000431.html new file mode 100644 index 00000000..bc34d337 --- /dev/null +++ b/pipermail/nel/2001-June/000431.html @@ -0,0 +1,107 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Nel] Re:More news from the nevrax teams...</TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:zager%40teleaction.com"> + <LINK REL="Previous" HREF="000430.html"> + <LINK REL="Next" HREF="000441.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Nel] Re:More news from the nevrax teams...</H1> + <B>Dim Segebart</B> + <A HREF="mailto:zager%40teleaction.com" + TITLE="[Nel] Re:More news from the nevrax teams...">zager@teleaction.com</A><BR> + <I>Thu, 21 Jun 2001 19:33:30 +0200</I> + <P><UL> + <LI> Previous message: <A HREF="000430.html">[Nel] Re:More news from the nevrax teams...</A></li> + <LI> Next message: <A HREF="000441.html">[Nel] Congratulations + concerns</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#431">[ date ]</a> + <a href="thread.html#431">[ thread ]</a> + <a href="subject.html#431">[ subject ]</a> + <a href="author.html#431">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>It makes sense. +Thank you. + +Thursday, June 21, 2001, 6:47:37 PM, you wrote: + +DM> To extend the explanation a little - the way we see things is this: + +DM> - The server sets for MMORPGs and the like have to be secure - that means +DM> that any old Tom, Dick or Harry can't send a message directly to the economy +DM> service to tell it that they've just won the lottery :) + +DM> - This means that the clients only have access to the front end services on +DM> the front end servers and that they don't have access to the naming service. +DM> (in order to connect to the front end services clients have to use the login +DM> service as a go-between... there are examples in our samples directory +DM> showing how this works) + +DM> - So - the naming service runs on a smallish LAN that connects the game +DM> servers. It broadcasts messages like 'the xxx service has just arrived at +DM> address yyy' or 'the www service at address zzz has gone down/ disappeared'. +DM> These are cached by each service to keep an up to date address book of the +DM> other services that they can talk to. + +DM> - In the normal way we don't see services being started or stopped as a very +DM> high frequency event. + +DM> I hope this helps. + +DM> Daniel. + + +DM> -------------------------------------------------------------------- +DM> Hello, + + +>><i> I have a question about the caching for the naming service. You say it +</I>>><i> automatically corrects caches when services move or are deleted. This +</I>>><i> doesn't sound very scalable, it every client querying the name server +</I>>><i> has to be contacted when something they asked about changed (especially +</I>>><i> over high latency links). +</I> + +DM> Right, but in fact, we developed the system to fit our requirement for our +DM> game and in our system (in the shard), the naming service and all ther +DM> services are on a LAN, so we don't have high latency links. + +DM> regards, + +DM> Vianney Lecroart + +DM> _______________________________________________ +DM> Nel mailing list +DM> <A HREF="mailto:Nel@nevrax.org">Nel@nevrax.org</A> +DM> <A HREF="http://www.nevrax.org/mailman/listinfo.cgi/nel">http://www.nevrax.org/mailman/listinfo.cgi/nel</A> + + + +-- +Dim Segebart mailto:<A HREF="mailto:zager@teleaction.de">zager@teleaction.de</A> + + + +</pre> + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI> Previous message: <A HREF="000430.html">[Nel] Re:More news from the nevrax teams...</A></li> + <LI> Next message: <A HREF="000441.html">[Nel] Congratulations + concerns</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#431">[ date ]</a> + <a href="thread.html#431">[ thread ]</a> + <a href="subject.html#431">[ subject ]</a> + <a href="author.html#431">[ author ]</a> + </LI> + </UL> +</body></html> |