Axis 1.2.1 WSDD tutorial

Have been googling for a while, but I don't find any page which explains CLEARLY what is each element from the WSDD file. I want to know what does the transport element do exactly (on 开发者_JAVA百科the server side), but I become always a really small description.

Can anyone explain it a little bit, or tell me from a tutorial a bit more extended?

Thanks in advance.

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I found the Axis WSDD Referenz to be quite useful while working with Axis 1.3.

I am not sure if all tags are presented or if the information is updated for newer Axis versions. Some explanations are a little too succinct, but enough to serve as a starting point.