[zeromq-dev] About multicast service

[Peter Krey]

The pros of any multicast is the performance is superior for one to many
data messaging over standard TCP since there is not an ACK packet sent for
every message from every receiver, reducing network traffic.

On Mon, Oct 19, 2015 at 1:44 AM, Kenneth Adam Miller <
kennethadammiller at gmail.com> wrote:

> PGM tends to take advantage of the hardware acceleration that routers
> often provide, and is widely supported. So, effectively, repeatedly
> multicasting some data out to many destinations with just some processor
> based software solution. But because this is an intensive task that is
> often performed, having every bit of acceleration helps.
>
> However, usually if you're performing this kind of acceleration, it's for
> a large company that can afford to not only get things right, but also to
> make them fast. Or, speed is critical and it's being taken into
> consideration from the ground up.
>
> On Mon, Oct 19, 2015 at 1:06 AM, Noh, Jangho <jangho.noh at wustl.edu> wrote:
>
>> Hello,
>>
>>
>>
>> I have a question about multicast service in ZMQ.
>>
>> There are a lot of multicast protocols available.
>>
>> Among those, ZMQ chooses PGM and NORM. Is there any background reasons?
>>
>>
>>
>> Is multicast with PGM or NORM commonly used? What are the pros and cons
>> of using PGM or NORM?
>>
>>
>>
>> Sincerely,
>>
>> Jangho Noh
>>
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>>
>>
>
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