On Feb 12, 2004, at 8:33 AM, Andri-John Mas wrote:
> From what I have understand, you can only see other services on the
> same subnet (limited mask). If they are on another subnet, you will
> not see them. Is this right?
>
> Based on that assumption would it be conceivable to create proxy
> server that registers in on subnet the data available in th other
> subnet?
This depends on if the same subnets are on the same physical link. mDNS
uses what's called a link-local multicast. The packets are sent to
every device on the local link. In ethernet, this would pass through
most switches and hubs but not pass beyond a router. In some cases,
there may be multiple subnets on the same link. One example would be
the case where a device only has an IPv4LL address and most other
devices have configured addresses. Assuming all of the routing tables
are setup correctly, mDNS could be used to find the services on any
device on the local ink, no matter what the subnet, and the devices
could then communicate.
If you're looking for a solution to find services on a different
physical link, the preferred method is unicast DNS-SD queries (not yet
implemented).
-josh
[demime 0.98b removed an attachment of type application/pkcs7-signature which had a name of smime.p7s]
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