[zeromq-dev] zyre

[Andrew Hume]

ahhhh.

so the persistent nodes do zyre_gossip_bind,
and at least one zyre node in each subnet does a zyre_gossip_connect
to a persistent node.

is that all? does that take care of all the plumbing?

> On Mar 19, 2015, at 5:25 PM, Pieter Hintjens <ph at imatix.com> wrote:
> 
> It's in the zgossip class in CZMQ, and exposed in the Zyre API.
> 
> I didn't write an article to explain this class yet. Sorry. It does
> federated key/value exchange, and Zyre can use that to exchange
> endpoint information for nodes.
> 
> On Fri, Mar 20, 2015 at 12:59 AM, Andrew Hume <andrew at humeweb.com> wrote:
>> i don’t mean to be dense here, but exactly how do you “forward” the
>> broadcast packets between them?
>> i am hoping for a zeromq mechanism, or you talking about some C
>> thing where we do forwarding in “raw” C/TCP crap?
>> 
>> andrew
>> 
>> On Mar 19, 2015, at 4:47 PM, Utsav Drolia <utsavdrolia at gmail.com> wrote:
>> 
>> I guess you can have few nodes that are connected to both subnets forward
>> the broadcast packets between them.
>> However, for the rest of the communication, there should be routes between
>> nodes on the 2 subnets.
>> 
>> On Mar 19, 2015 7:41 PM, "Andrew Hume" <andrew at humeweb.com> wrote:
>>> 
>>> pieter,
>>> 
>>>        can you be more explicit here?
>>> exactly how do you “point” a node at another (persistent) node?
>>> 
>>>        andrew
>>> 
>>>> On Mar 19, 2015, at 4:29 PM, Pieter Hintjens <ph at imatix.com> wrote:
>>>> 
>>>> You can cross subnets with Zyre (the C version) if you use gossip
>>>> discovery. It's not really gossip, more like federation. You put up
>>>> one or a few persistent nodes and point everyone to those, and they
>>>> distribute the knowledge of the whole network.
>>>> 
>>>> On Fri, Mar 20, 2015 at 12:18 AM, Joss Gray <joss at jossgray.net> wrote:
>>>>> zbeacon broadcasts udp packets broadcast for discovery so they won't be
>>>>> able
>>>>> to cross subnets.
>>>>> 
>>>>> You will have to change the broadcast domain like you mentioned.
>>>>> 
>>>>> On Thu, Mar 19, 2015 at 11:08 PM, Andrew Hume <andrew at humeweb.com>
>>>>> wrote:
>>>>>> 
>>>>>> we’re trying to run tyre (actually, the gyre implementation) across
>>>>>> different subnets
>>>>>> (that is, one node is in 10.20.59.xx and the other in 10.120.45.xx).
>>>>>> they
>>>>>> don’t see each other.
>>>>>> what would be the best way to have them see each other?
>>>>>> 
>>>>>> we could change the broadcast domain to 255.255.0.0 but that seems
>>>>>> vaguely
>>>>>> dodgy.
>>>>>> any other hints?
>>>>>> 
>>>>>>       andrew
>>>>>> 
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>>>>> 
>>>>> 
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