[OPEN-ILS-GENERAL] Setting up a two library consortia system between US and Europe

[Mike Rylander]

On Thu, Nov 18, 2010 at 1:43 PM, Ben Shum <bshum at biblio.org> wrote:
> Hi Yamil,
>
> Wow, that sounds like it would be pretty cool to implement!  I'd
> definitely be careful about how your policies were configured, circ
> transits and hold requests across the ocean might come off a bit
> complicated, heh...
>
> I would worry about latency over such a great distance, wherever your
> server isn't, you'd get some slowness.  I'm not sure if it's possible to
> get better performance if you had Evergreen servers at either end
> talking to a single database server.  Your performance might still
> suffer for the Evergreen frontend server that had further to reach the
> database.
>
> Still, interesting idea!  Hope you get more feedback from others on this.

A local transparent caching proxy (tuned specifically to cache just
static content, and not the main page or XHR content, that's
critical!) could mitigate many of the latency issues.

--miker

>
> -- Ben
>
> On 11/18/2010 01:01 PM, Yamil Suarez wrote:
>> Hello all,
>>
>> I would like some ballpark EG configuration advice from the veterans EG
>> users of the list. I am hoping for just a rough idea, and I can provide
>> more info on or off the list if necessary about my situation.
>>
>> I work for a small U.S. music college library, with 58,000 titles and all
>> in one building. We are currently planning to migrate to EG sometime after
>> next summer, and we have a rough migration plan from ESI. My college has
>> plans to create a small study abroad program with 400 students in Spain.
>> This future Spain site will include its own small library. I was just
>> asked to figure out what additional needs I  will have to support this
>> remote library using our future Evergreen installation. So far I am
>> planning, perhaps naively, of taking a consortia approach of having a
>> single EG system. For example, the single system should have separate
>> circulation rules and catalogers for each country. Does this approach seem
>> reasonable to you guys?
>>
>> Of the top of your heads, should I stick to the single server I was
>> planning to use in the US, or should I plan on getting an additional
>> server to live in the US or Spain? In general the US library does not have
>> high circulation rates, and that is why ESI recommended only one server
>> for a US only library. I also do not expect a lot of circulation activity
>> from the library in Spain.
>>
>> Thanks in advance,
>> Yamil
>>
>> P.S. should this be posted to the dev list instead?
>>
>>
>>
>>
>
> --
> Benjamin Shum
> Open Source Software Coordinator
> Bibliomation, Inc.
> 32 Crest Road
> Middlebury, CT 06762
> 203-577-4070, ext. 113
>
>



-- 
Mike Rylander
 | VP, Research and Design
 | Equinox Software, Inc. / The Evergreen Experts
 | phone:  1-877-OPEN-ILS (673-6457)
 | email:  miker at esilibrary.com
 | web:  http://www.esilibrary.com