that should be "RabbitMQ *not* required" On 5 December 2010 19:27, Neville Burnell <neville.burn...@gmail.com> wrote:
> And 0MQ has Erlang bindings anyhow, so rabbitMQ now required! > > http://www.zeromq.org/bindings:erlang > > > On 5 December 2010 18:04, Neville Burnell <neville.burn...@gmail.com>wrote: > >> A quick follow up - it seems RabbitMQ now supports 0MQ [1][2] which might >> be a good fit with Riak >> >> From the blog post [1]: >> "0MQ is bundled with OpenPGM library which implements a reliable mutlicast >> protocol called PGM. The r0mq bridge thus allows to multicast messages from >> RabbitMQ broker to the clients (0MQ clients to be precise — AMQP has no >> multicast support). This kind of functionality is extremely useful in >> scenarios where a lot of identical data is passed to many boxes on the LAN. >> If a separate copy of each datum is sent to each subscriber, you can easily >> exceed capacity of your network. With multicast, data is sent once only to >> all the subscribers thus keeping the bandwidth usage constant even when the >> number of subscribers grows." >> >> [1] http://www.rabbitmq.com/blog/2010/10/18/rabbitmq0mq-bridge/ >> <http://www.rabbitmq.com/blog/2010/10/18/rabbitmq0mq-bridge/>[2] >> https://github.com/rabbitmq/rmq-0mq >> >> <https://github.com/rabbitmq/rmq-0mq> >> On 5 December 2010 17:32, Neville Burnell <neville.burn...@gmail.com>wrote: >> >>> Does/can Riak use PGM [1] for replicating writes ? >>> >>> It seems PGM would be more efficient when the number of physical nodes >>> starts to get high. >>> >>> Just curious! >>> >>> [1] http://en.wikipedia.org/wiki/Pragmatic_General_Multicast >>> >> >> >
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