# New services online

**URL:** <https://swi-prolog.discourse.group/t/new-services-online/7257>\
**Category:** Announce\
**Created:** [February 23, 2024, 9:07am UTC](https://swi-prolog.discourse.group/t/new-services-online/7257 "2024-02-23T09:07:50Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![jan](https://yyz2.discourse-cdn.com/free1/user_avatar/swi-prolog.discourse.group/jan/32/4_2.png) [@jan](https://swi-prolog.discourse.group/u/jan)\
**Post date:** [February 23, 2024, 9:07am UTC](https://swi-prolog.discourse.group/t/new-services-online/7257/1 "2024-02-23T09:07:50Z")

</div>

The website migration has been completed. Summary:

- The website now runs on three VPS servers at [strato.de](http://strato.de) and one at [osuosl.org](http://osuosl.org)
- [www.swi-prolog.org](http://www.swi-prolog.org) is served by [fastly.com](http://fastly.com) CDN with one backend server at [strato.de](http://strato.de) and the other on [osuosl.org](http://osuosl.org).
- SWISH now runs on the three [strato.de](http://strato.de) machines operating as a load-balancing cluster. The three run a Redis DB in high availability (sentinel) cluster mode that keeps track of meta-data and user sessions. Each of the three servers runs a SWISH instance. The three are behind an nginx load balancing proxy. The three SWISH instances replicate user files based on Redis messages. This means that SWISH finally has become a service with **high availability and small risk for data loss**.
- [cliopatria.swi-prolog.org](http://cliopatria.swi-prolog.org) and [lpn.swi-prolog.org](http://lpn.swi-prolog.org) have been dockerized and migrated.
- [dev.swi-prolog.org](http://dev.swi-prolog.org) that served the WASM demo has been discontinued. The WASM version now runs at [wasm.swi-prolog.org](http://wasm.swi-prolog.org).
- [pengines.swi-prolog.org](http://pengines.swi-prolog.org) has been discontinued. It now redirects to [swish.swi-prolog.org](http://swish.swi-prolog.org).
- All services now use HTTPS, redirecting HTTP traffic to HTTPS.
- All services are now accessible using IPv6.

Sorry for the many service interruptions, notably affecting SWISH during the past week.