Re: High avaliabilty for IMAP/PROXY

2014-09-26 Thread Marc Patermann
Ken, k...@rice.edu schrieb (22.09.2014 15:43 Uhr): On Mon, Sep 22, 2014 at 03:09:13PM +0200, Marc Patermann wrote: k...@rice.edu schrieb (18.09.2014 21:43 Uhr): These are all located behind our Citrix Netscaler boxes. You should be able to replicate their function with either haproxy or

Re: High avaliabilty for IMAP/PROXY

2014-09-22 Thread Marc Patermann
k...@rice.edu schrieb (18.09.2014 21:43 Uhr): On Thu, Sep 18, 2014 at 12:07:57PM -0700, Vincent Fox wrote: On 9/18/2014 11:58 AM, Fabio S. Schmidt wrote: Does anyone have any better ideas to improve the high availability? I was wondering about using HAPROXY vs NGINX but I do not know their

Re: High avaliabilty for IMAP/PROXY

2014-09-22 Thread k...@rice.edu
On Mon, Sep 22, 2014 at 03:09:13PM +0200, Marc Patermann wrote: k...@rice.edu schrieb (18.09.2014 21:43 Uhr): These are all located behind our Citrix Netscaler boxes. You should be able to replicate their function with either haproxy or nginx. What does the Netscaler do in this scenario?

Re: High avaliabilty for IMAP/PROXY

2014-09-19 Thread Michael Menge
Hi, Quoting Fabio S. Schmidt fa...@improve.inf.br: Hi, - Sorry if it seems to be a little off-topic - We have deployed Cyrus Aggregator and currently we provide load balancing and high availability for the Cyrus Front Ends through DNS. With this scenario, if a Frontend is unavailable it will

Re: High avaliabilty for IMAP/PROXY

2014-09-19 Thread Fabio S. Schmidt
Thanks Ken and Michael for the answers ! Kind regards, Fabio On 19 September 2014 04:49, Michael Menge michael.me...@zdv.uni-tuebingen.de wrote: Hi, Quoting Fabio S. Schmidt fa...@improve.inf.br: Hi, - Sorry if it seems to be a little off-topic - We have deployed Cyrus Aggregator and

High avaliabilty for IMAP/PROXY

2014-09-18 Thread Fabio S. Schmidt
Hi, - Sorry if it seems to be a little off-topic - We have deployed Cyrus Aggregator and currently we provide load balancing and high availability for the Cyrus Front Ends through DNS. With this scenario, if a Frontend is unavailable it will receive connections unless we remove it from the DNS

Re: High avaliabilty for IMAP/PROXY

2014-09-18 Thread Vincent Fox
On 9/18/2014 11:58 AM, Fabio S. Schmidt wrote: Hi, - Sorry if it seems to be a little off-topic - We have deployed Cyrus Aggregator and currently we provide load balancing and high availability for the Cyrus Front Ends through DNS. With this scenario, if a Frontend is unavailable it will

Re: High avaliabilty for IMAP/PROXY

2014-09-18 Thread Fabio S. Schmidt
Thanks Vincent and Simon for the answers ! I am studying the Perdition and LVS-DR solutions ! Kind regards, Fabio On 18 September 2014 16:38, Simon Amor simon.a...@daily.co.uk wrote: On 18 Sep 2014, at 19:58, Fabio S. Schmidt fa...@improve.inf.br wrote: Hi, - Sorry if it seems to be a

Re: High avaliabilty for IMAP/PROXY

2014-09-18 Thread k...@rice.edu
On Thu, Sep 18, 2014 at 12:07:57PM -0700, Vincent Fox wrote: On 9/18/2014 11:58 AM, Fabio S. Schmidt wrote: Hi, - Sorry if it seems to be a little off-topic - We have deployed Cyrus Aggregator and currently we provide load balancing and high availability for the Cyrus Front Ends