Sync serial bridging over Ethernet, was Re: [HECnet] Multi-floor household (DECnet) routing help needed

Ian McLaughlin ian at platinum.net
Thu Jan 17 22:55:32 PST 2013


On 2013-01-17, at 10:48 PM, John Wilson <wilson at dbit.com> wrote:

Careful -- UDP doesn't guarantee in-order delivery.
How does HDLC feel about little surprises?

HDLC information and supervisory frames have sequence numbers.   There's also unnumbered frames used for control purposes.

The commercial units I found used UDP as their ethernet transport.

Ian



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