IT System Design

In IT System Design we offer know-how in the following fields:

Web and application server design

BD server design

  • Scalable database systems
  • Oracle RAC
    • Transaction processing systems and Data warehouse
    • Replication between different clusters
  • “Sharding”
  • MySql-cluster

Storage design

  • Online storage
  • Secondary storage (e.g. backup)
  • Creation of an adequate storage design based on metrics (calculations, measurements, tests)

Network design

  • On ISO Layer 3 and 4
  • STP (Spanning Tree Protocol)/RSTP (Rapid Spanning Tree Protocol)
  • Dynamic Routing Protocols: OSPF (Open Shortest Path First), BGP (Boarder Gateway Protocol Version 4)
    • Cisco Implementation or Unix quagga

Central AAA systems/Triple-A-Systems (Authentification, Authorization, Accounting)

  • based on LDAP (Open LDAP/Kerberos)
  • wholly redundant, where applicable arranged on various data-centers
  • Single Sign On (e.g. with Kerberos tickets)

Infrastructure Automation

  • with the help of Chef
  • Automated provisioning
  • Automated configuration management
  • Fast adaption to business needs