[mythtv-users] simultaneous viewing
matt at mossholder.com
Thu Apr 12 13:34:15 UTC 2012
On Thu, Apr 12, 2012 at 8:09 AM, Mark Lord <mythtv at rtr.ca> wrote:
> On 12-04-12 08:04 AM, Brian J. Murrell wrote:
> > On 12-04-12 07:30 AM, tortise wrote:
> >> multicast somewhat takes over
> >> the LAN,
> > This statement doesn't make any sense.
> Sure it does. A typical home network these days uses ethernet switches,
> rather than hubs. The switches are smart, they memorize MAC addresses
> and then send traffic only where it needs to go, keeping other ports
> free for their own traffic.
> Multicast defeats that, sending all (multicast) traffic to all ports
> all of the time. Much, much heavier network load.
> Probably still not a big issue, but the original poster makes a good point.
That isn't entirely true. Multicast aware switches will only send multicast
packets to the hosts that need them. So it comes down to the capabilities
of your switch.
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