Re: DNS Service Discovery

[Valentin Bud]

Also the OP could check out Consul, hashicorp/consul on GitHub.
It even has a DNS API to query for registered services. An exquisite
piece of technology IMO. Enjoy.

On 14/03/16 14:33, Ray Bellis wrote:

On 14/03/2016 12:23, Phil Mayers wrote:


Stack overflow or similar may be a better place to start.

Definitely not stackoverflow - unless the question is clearly
programming related it would be closed with extreme prejudice.

I'd suggest the OP should investigate further what's happening in the
IETF DNS-SD working group, and particularly the "hybrid proxy zeroconf"
work that's split between there and the Homenet WG.   That latter work
is intended to allow inter-segment service discovery without resorting
to site-scoped multicast.

Ray


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Re: DNS Service Discovery

[Ray Bellis]

On 14/03/2016 12:23, Phil Mayers wrote:

> Stack overflow or similar may be a better place to start.

Definitely not stackoverflow - unless the question is clearly
programming related it would be closed with extreme prejudice.

I'd suggest the OP should investigate further what's happening in the
IETF DNS-SD working group, and particularly the "hybrid proxy zeroconf"
work that's split between there and the Homenet WG.   That latter work
is intended to allow inter-segment service discovery without resorting
to site-scoped multicast.

Ray


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Re: DNS Service Discovery

[Phil Mayers]

On 13/03/16 18:07, David Li wrote:


We are implementing an enterprise distributed system with many Centos
7 servers. Each server or a group of servers may run a different app
or provide a difference service to others.  These service may come and
go. The challenge is how to use DNS-SD to let them discover each other
dynamically.  We do have DHCP and use Dynamic DNS updates.



FWIW I would ask yourself if DNS is even the right choice. If you 
control the things doing the discovery and advertisement there are other 
(IMO better) alternatives. I like etcd personally, but there's a jillion 
key-value stores with service discovery built on top. Google for it.



I have been researching to see what 's out there or what's the common
practice. Though this is a pretty common but so far I haven't turned
up any promising leads. I did find Avahi but not sure if this is one.


Common practice for intra-server service discovery is not to use DNS, 
AFAICT.




Any one has any suggestions?


Well... maybe ask on an appropriate forum. This isn't a bind-specific 
set of questions.


Stack overflow or similar may be a better place to start.
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Re: DNS Service Discovery

[David Li]

Hi Warren,

I am aware of DNS-SD and related IETF drafts/RFCs. I also know about
Apple's Bonjour implementation.

We are implementing an enterprise distributed system with many Centos
7 servers. Each server or a group of servers may run a different app
or provide a difference service to others.  These service may come and
go. The challenge is how to use DNS-SD to let them discover each other
dynamically.  We do have DHCP and use Dynamic DNS updates.

Another challenge is we can't use multicast so mDNS is out of the
question.  But I know mDNS is not required. Unicast DNS might just
work.

I have been researching to see what 's out there or what's the common
practice. Though this is a pretty common but so far I haven't turned
up any promising leads. I did find Avahi but not sure if this is one.

Any one has any suggestions?

Thanks.

David





On Sun, Mar 13, 2016 at 12:06 AM, Warren Kumari  wrote:
> On Sun, Mar 13, 2016 at 2:34 AM David Li  wrote:
>>
>> Hi Everyone,
>>
>> Is this the right place ask  general DNS-SD questions?  If not, can
>> someone point me to the right list? I can't seem to find one.
>
>
>
> It almost definitely is not the right place, but what is the question?
> Perhaps someone can point you at the best place to ask it (or, just answer
> it :-)).
> I'm guessing dns-operations may be the place, but...
>
> W
>
>
>>
>>
>> Thanks.
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Re: DNS Service Discovery

[Warren Kumari]

On Sun, Mar 13, 2016 at 2:34 AM David Li  wrote:

> Hi Everyone,
>
> Is this the right place ask  general DNS-SD questions?  If not, can
> someone point me to the right list? I can't seem to find one.
>


It almost definitely is not the right place, but what is the question?
Perhaps someone can point you at the best place to ask it (or, just answer
it :-)).
I'm guessing dns-operations may be the place, but...

W



>
> Thanks.
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DNS Service Discovery

[David Li]

Hi Everyone,

Is this the right place ask  general DNS-SD questions?  If not, can
someone point me to the right list? I can't seem to find one.

Thanks.
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