if (ms) blog++;

Random bits of (hopefully) useful technical information on Windows, with a focus on understanding and troubleshooting.

May, 2009

  • Service Packs – Levels vs Installers

    Following the question left on the previous blog entry Branching Out , I need to clear something up that may be a little confusing: A Service Pack level and Service Pack installer are different things. A client with Windows Vista installed that reports...
  • On Bandwidth and Latency

    High bandwidth = good. Low latency = good. There is, however, no direct relationship between the two – bandwidth is measured in (multiples of) “bits per second”, whilst latency is measured in milliseconds (the time between a packet being sent and it arriving...
  • Branching Out

    Following on from the previous entry regarding hotfix packages and the branches, here is a fictitious product life cycle:     At time T1 the product is released (RTM). After RTM there is a GDR hotfix package “a” released – this package...
  • GDR, QFE, LDR... WTH?

    Update 2012-04-16: Later related blog entries (as the topic grew in its scope and version numbering/branch identification changed after Windows Server 2003): Branching Out (2009-05-18) - gives a generic overview of the branching mechanism, with examples...