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Compressed Edge Fragment Sampling

Edge requires 2*32 bits
- Only some 16 bits partially available in IP header (IP ID)
Encoding
- 5 bits distance
- 3 bits fragment ID
- 4 bits fragment
- 4 bits partial checksum
Fragmentation
- 8*4 bit of curr  next
- 8*4 bit of hash(curr)  hash(next)
- Indexed by fragment ID

Edge requires 2*32 bits