[Spread-users] Quick question about how Spread uses broadcast

[John Schultz]

Broadcast (or multicast) is only used to disseminate msgs within a LAN.  When a message originates in one segment, the originator will point-to-point UDP send the message to the leader of each of the other segments.  They in turn will broadcast (or multicast) the message within their segment.  So, no, you don't need to support directed broadcast between the segments.

The leader of a segment is the first daemon listed in the configuration file of that segment that is currently alive.

Cheers!

-----
John Lane Schultz
Spread Concepts LLC
Phn: 301 830 8100
Cell: 443 838 2200

On Oct 6, 2010, at 10:01 AM, Alec H. Peterson wrote:

Hi all,

I have a quick question about how Spread handles multi-segment communications.  Say I have two segments, each configured with a broadcast segment address.  If I send a message to a group to which all members of all segments subscribe, how does the traffic get from one segment to another?  The real question I'm looking to answer is do I need to support directed broadcast between the segments, or are broadcasts only originated within a given segment?

Alec

ALEC H PETERSON | Vice President, Technical Services
Office	+1 443 656 3322
Email	alec.peterson at messagesystems.com
Web		http://www.messagesystems.com






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