Links for 2019-04-26

  • Packets-per-second limits in EC2

    By running these experiments, we determined that each EC2 instance type has a packet-per-second budget. Surprisingly, this budget goes toward the total of incoming and outgoing packets. Even more surprisingly, the same budget gets split between multiple network interfaces, with some additional performance penalty. This last result informs against using multiple network interfaces when tuning the system for higher networking performance. The maximum budget for m5.metal and m5.24xlarge is 2.2M packets per second. Given that each HTTP transaction takes at least four packets, we can translate this to a maximum of 550k requests per second on the largest m5 instance with Enhanced Networking enabled.

    (tags: aws ec2 networking pps packets tcp ip benchmarking)

  • Brian Moriarty – “I Sing the Story Electric”

    The history of interactive storytelling, including a classification system for branching narrative techniques: The Foldback, Quicktime Events, Sardonic Options, Achtung Options, Checkpoint Saves, and Bait-and-Switch Options, and an example of a computerized interactive narrative from 1955, GENIAC Project 23.

    (tags: geniac kinoautomat borges narratives non-linear branching interactive-fiction games gaming ludology history stories storytelling talks)

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