Udp balancing

Hi,

In the default stream/udp/proxy setup, will nginx round robin every
packet
or will it remembers client and send all packets from same client to
same
upstream?

Thanks
Frank

On 6/23/16 6:44 PM, Frank L. wrote:

Hi,

In the default stream/udp/proxy setup, will nginx round robin every
packet or will it remembers client and send all packets from same
client to same upstream?

The default is round-robin, yes.

You can enable persistent-like behaviour though:

https://www.nginx.com/resources/admin-guide/tcp-load-balancing/#hash


Maxim K.

That makes sense for udp (connection less).
What about tcp? I assume when client initiate the connection , nginx
will
pick one upstream (rr) to make a connection and send all subsequent
packets
to the same upstream using the same connection.

Frank

On 6/23/16 6:57 PM, Frank L. wrote:

That makes sense for udp (connection less).
What about tcp? I assume when client initiate the connection , nginx
will pick one upstream (rr) to make a connection and send all
subsequent packets to the same upstream using the same connection.

Not sure I understand your request.

For tcp nginx balances new connections based on the configured load
balancing discipline (rr by default).

> packet or will it remembers client and send all packets from same

http://mailman.nginx.org/mailman/listinfo/nginx


Maxim K.

To summarize:
TCP balancing decision is on every new connection.
TCP balancing decision is on every packet since it is connectionless.

On Thursday 23 June 2016 08:57:22 Frank L. wrote:

That makes sense for udp (connection less).
What about tcp? I assume when client initiate the connection , nginx will
pick one upstream (rr) to make a connection and send all subsequent packets
to the same upstream using the same connection.

Right.

wbr, Valentin V. Bartenev


nginx mailing list
[email protected]
http://mailman.nginx.org/mailman/listinfo/nginx

Yes, thanks :slight_smile:

On Thu, Jun 23, 2016 at 10:42 AM, Pratyush Kumar
[email protected]

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