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Hello,

In fact I want to make something similiar to flat network but when IP is 
assigned to instance (port bind, yes?) then it should be not with arping 
announsed in network but with bgp (bgp server is installed on host). I 
know that it is not L2 protocol but I want to try that. So I want to 
write and use own Mechanism driver (or maybe I'm wrong and there is 
something other to make such things). So do You know how to add own 
mechanism driver and use it in neutron?

Thanks in advance
Slawek

W dniu 2014-02-19 11:26, Akihiro Motoki napisał(a):
> Hi,
> 
> I think you are trying to use different IP allocation algorithm
> for a network based on some attribute of the network.
> network_type of the provider network specifies how layer2 network
> is segmented and ML2 type drivers are defined per network_type.
> I think it is different from your need.
> 
> IMO it looks better to introduce a new attribute to select
> IP allocation algorithm to "network" resource.
> The idea of Pluggable IP allocation algorithms exists for
> a long time in Neutron community but the progress is not good.
> Once pluggable mechanism is implemented, we need a way to
> map networks to IP allocation algorithms and this kind of
> new attribute is one possible choice.
> 
> Thanks,
> Akihiro
> 
> (2014/02/19 6:53), Sławek Kapłoński wrote:
>> Hello,
>> 
>> Thanks for an answear.
>> I want to add own network type which will be very similiar to flat 
>> network (in
>> type_driver I think it will be the same) but will assign IPs to 
>> instances in
>> different way (not exactly with some L2 protocol). I want to add own 
>> network
>> because I want to have own name of this network that I can distinguish 
>> it.
>> Maybe there is other reason to do that.
>> 
>> --
>> Best regards
>> Sławek Kapłoński
>> 
>> Dnia wtorek, 18 lutego 2014 10:08:50 piszesz:
>>> [Moving to -dev list]
>>> 
>>> On Feb 18, 2014, at 9:12 AM, Sławek Kapłoński <slawek at kaplonski.pl> 
>>> wrote:
>>>> Hello,
>>>> 
>>>> I'm trying to make something with neutron and ML2 plugin. Now I need 
>>>> to
>>>> add my own external network type (as there are "Flat", "VLAN", "GRE" 
>>>> and
>>>> so on). I searched for manuals for that but I can't found anything. 
>>>> Can
>>>> someone of You explain me how I should do that? Is it enough to add 
>>>> own
>>>> type_driver and mechanism_driver to ML2? Or I should do something 
>>>> else
>>>> also?
>>> Hi Sławek:
>>> 
>>> Can you explain more about what you’re looking to achieve here? I’m 
>>> just
>>> curious how the existing TypeDrivers won’t cover your use case. ML2 
>>> was
>>> designed to remove segmentation management from the MechanismDrivers
>>> so they could all share segment types. Perhaps understanding what 
>>> you’re
>>> trying to achieve would help better understand the approach to take 
>>> here.
>>> 
>>> Thanks,
>>> Kyle
>>> 
>>>> Thanks in advance
>>>> --
>>>> Sławek Kapłoński
>>>> slawek at kaplonski.pl
>>>> 
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-- 
Pozdrawiam
Sławek Kapłoński
slawek at kaplonski.pl