Melinda Shore wrote: > On 7/16/07 6:29 AM, "Hallam-Baker, Phillip" <pbaker@xxxxxxxxxxxx> wrote: >> The way I look at the problem we have a gateway issue similar to those that we >> used to have with smtp in the days of decnet sna etc. > > Maybe, but there are differences that make it harder. Chief > among these is that there were one or two gateways for CSNet, > a handful for BITNET, and so on, and there was just the one > application. Furthermore, there was no need to either modify > the endpoint or inform the endpoint that it should gateway > its email through a particular host. The latter was handled > on the server. Widespread deployment of ALG's as mediators means you have to upgrade the network to support new applications. or applications are built on top of hostile tunnels over your alg infrastructure (sound familiar?). While some enterprise networks seem to favor this, it's not really the Internet. > Melinda > > _______________________________________________ > Ietf mailing list > Ietf@xxxxxxxx > https://www1.ietf.org/mailman/listinfo/ietf > _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf