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

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 scenar

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 t

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 wrote: > Hi, > > Quoting "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 an

Re: High avaliabilty for IMAP/PROXY

2014-09-19 Thread Michael Menge
Hi, Quoting "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 connection

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 Fron

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 wrote: > On 18 Sep 2014, at 19:58, Fabio S. Schmidt wrote: > >> Hi, >> >> - Sorry if it seems to be a little off-topic - >> >> We have deploy

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 w

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