Mailinglist Archive: opensuse (3513 mails)

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Re: [opensuse] What's wrong with this IP address?
  • From: "Dominique Leuenberger" <Dominique.Leuenberger@xxxxxxxxxxxxx>
  • Date: Thu, 08 Jan 2009 18:20:30 +0100
  • Message-id: <49664374.23F4.0029.1@xxxxxxxxxxxxx>
On 1/8/2009 at 6:13 PM, Robert Paulsen <robert@xxxxxxxxxxxxxxxxx> wrote:
On Thursday 08 January 2009 10:47 am, Greg Freemyer wrote:

I think some brokerage firms broadcast out various news shows to the
traders desktops via IP broadcast mechanisms. I assume they use Class
D packets to carry the UDP packets.

What is the advantage of this over what I think the general approach is of
using all one-bits in the rightmost part of the address not covered by the
subnet mask? e.g. (

Compare Multicast to Broadcast.

Broadcast goes to everybody, multicast goes to subscribers only. Can make quiet
some difference on a LAN.

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