"Dumitru Sbenghe" wrote:

> What will be the usefulness of declaring a fixed port for client?! Beside
> the fact that this will restrict you to open only one connection from the
> client to the server?! :) This will limit your application serious. Can you
> imagine Internet Explorer with the posibility of opening only one http
> connection, because it will have only one client port disponible per http
> server (or worse per application)?!
>
> It is a logical restriction; not a physical one or from the tcp/ip protocol
> stack or from the socket api.
>
> Dumitru Sbenghe
>
>
> "Fredric Ragnar" <FredricRagnar@discussions.microsoft.com> wrote in message
> news:42B600D0-BABD-4D8D-AD90-4F2DAE1F91DF@microsoft.com...
> > Hello,
> >
> > I am making a system utilizing remoting with a TcpChannel between the
> server
> > and the client. I want to know all the details concerning the networking
> part
> > to prevent any future problems with firewalls or networking issues at the
> > deploying site.
> >
> > Setup:
> >
> > Server - hosting remote object:
> port
> > 8080
> > |
> > |TcpChannel
> > |
> > Client:8085
> >
> > In the client there is only one call to the server object. It returns the
> > system time. However, when I try to set the port in the client I get the
> > following exceptions:
> > Message
> > Only one usage of each socket address (protocol/network address/port) is
> > normally permitted
> >
> > Source
> > System.Runtime.Remoting
> >
> > Stacktrace at
> >
> System.Runtime.Remoting.Channels.Tcp.TcpServerChannel.StartListening(Object
> > data)
> > at System.Runtime.Remoting.Channels.Tcp.TcpServerChannel.SetupChannel()
> > at
> > System.Runtime.Remoting.Channels.Tcp.TcpServerChannel..ctor(IDictionary
> > properties, IServerChannelSinkProvider sinkProvider)
> > at System.Runtime.Remoting.Channels.Tcp.TcpChannel..ctor(IDictionary
> > properties, IClientChannelSinkProvider clientSinkProvider,
> > IServerChannelSinkProvider serverSinkProvider)
> > at MyNewServiceClient.Form1..ctor() in c:\documents and
> settings\frra\my
> > documents\visual studio projects\mynewserviceclient\form1.cs:line 49
> >
> >
> > When browsing the course literature for Microsoft Official Course 2349B
> > Programming with the Microsoft .NET Framework (Microsoft Visual C# .NET) I
> > found in the remoting module concerning registration of the channel in the
> > client: "Important You do not specify a port number when you register the
> > client channel".
> >
> > The question is why is that?
> >
> >
> > Regards,
> > Fredric Ragnar
> >
>
>