updated links to backbone services

aai/index.md

@@ -90,5 +90,5 @@ For technical details, [refer to our documentation](https://hifis.net/doc/helmho
 
 ## Comments? Suggestions? Questions?
 
-1. Check our [FAQ]({% link faq.md %})
+1. Check our [FAQ]({% link faq.md %}#helmholtz-aai)
 2. Contact us at <support@hifis.net>.

services/backbone/helmholtzbackbone.md

@@ -7,5 +7,5 @@ additional_css:
     - title/service-title-buttons.css
 excerpt:
   "A trusted Helmholtz network to securely route scientific data transfer between centres."
-redirect_to: news/2020/09/01/VPN.html
+redirect_to: https://hifis.net/doc/core-services/backbone-network/
 ---

services/backbone/hts.md

@@ -7,5 +7,5 @@ additional_css:
     - title/service-title-buttons.css
 excerpt:
   "An FTS based large data transfer service connecting Helmholtz research."
-redirect_to: news/2021/05/05/hifis-transfer-service.html
+redirect_to: use-case/2021/10/20/use-case-hts.html
 ---