From: Tim A. <tm...@ne...> - 2003-07-28 01:31:32
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Well, the advantage of UUIDs are that they provide a strong guarantee of uniqueness. Part of this uniqueness is provided by the inclusion of the MAC address. Java can't determine the MAC address, so we either: a. generate a random no. in its place b. allow the MAC address to be specified by the client If we choose [a], then there isn't a great deal of difference with the simpler InetAddress + UID approach. If we choose [b], then the client would be free to set any value they liked for the MAC address, which would limit uniqueness. And if the MAC address wasn't specified, we'd have to fallback to [a]. -Tim > -----Original Message----- > From: ope...@li... > [mailto:ope...@li...]On Behalf Of Jim > Alateras > Sent: Monday, 28 July 2003 11:07 AM > To: ope...@li... > Subject: RE: [openjms-user] How unique is MessageID in OpenJMS ? > > > > However, enabling the MAC address to be specified also provides an > > opportunity for forgery - for our purposes the JMSMessageID is opaque, > > but I think this weakens the reasons for using UUIDs in the first place. > > > > What is the relevance of this statement? > > > > > > ------------------------------------------------------- > This SF.Net email sponsored by: Free pre-built ASP.NET sites including > Data Reports, E-commerce, Portals, and Forums are available now. > Download today and enter to win an XBOX or Visual Studio .NET. > http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072 > 303_01/01 > _______________________________________________ > openjms-user mailing list > ope...@li... > https://lists.sourceforge.net/lists/listinfo/openjms-user > |