The best replacement for fragmentation is regeneration.

The best alternatives to fragmentation are rated as following:
★★★★★  regeneration
★★★★★  segmentation
★★★  globalization
★★★  budding
★★★  external fragmentation
★  concentration
★  file fragmentation
★  internal fragmentation
★  pluralism
★  disk fragmentation
  binary fission
  data replication
  unity
  market segmentation
  external
  habitat loss
  integration
  session splicing
  shrapnel
  centralization
  index fragmentation

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Speaking about fragmentation, one probably shouldn't forget about ping.

Other search terms related to fragmentation and their ratings are:
★★★★★ ping
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Google Trends

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fragmentation
regeneration
segmentation