On Tue, Mar 21, 2000 at 09:37:54AM -0400, Jose R. Marte A. wrote:
> In datagram mode, IP packets are encapsulated in AX.25
> (UI frames) and transmitted without any other link level mechanisms,
> such as connections or acknowledgments.
>
> In vc (virtual circuit) mode, IP packets are encapsulated in AX.25
> (I frames) and are acknowledged at the link level according to the
> AX.25 protocol. Link level (i.e. AX.25) connections are opened as
> necessary.
>
> In both modes, ARP is used to map IP to AX.25 addresses.
>
> I hope this info help you
So which is better?
I'd guess datagram mode is better, because IP packets are datagrams
themselves. IP does not expect the layers below to be reliable.
TCP really maps to a connected AX.25 session, and UDP to UI frames.
IMHO.
Hamish
--
Hamish Moffatt VK3SB <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
