[ViewVC] Diff of: cvs/AnyEvent-FastPing/FPing.pm

Comparing AnyEvent-FastPing/FPing.pm (file contents):
Revision 1.5 by root, Fri May 4 15:16:14 2007 UTC vs.
Revision 1.6 by root, Fri May 4 15:47:43 2007 UTC

  use Net::FPing;
 =head1 DESCRIPTION
-This module was written for a signle purpose only: sendinf ICMP EHCO
+This module was written for a single purpose only: sendinf ICMP EHCO
 REQUEST packets as quickly as possible to a large number of hosts
 (thousands to millions).
 It employs a sending thread and is fully event-driven (using AnyEvent), so
 you have to run an event model supported by AnyEvent to use this module.
 called.
 Algorithm: Each range has an associated "next time to send packet"
 time. The algorithm loops as long as there are ranges with hosts to be
 pinged and always serves the range with the most urgent packet send
-time. It will at most send one packet every C<$send_interval> seconds. The
+time. It will at most send one packet every C<$send_interval> seconds.
+This will ensure that pings to the same range are nicely interleaved with
+other ranges - this can help reduce per-subnet bandwidth while maintaining
+an overall high packet rate.
-algorithm to send each packet is O(log n) on the number of ranges, so even
+The algorithm to send each packet is O(log n) on the number of ranges, so
-a large number of ranges (many thousands) is managable. No storage is
+even a large number of ranges (many thousands) is managable.
-allocated per address.
+No storage is allocated per address.
 Performance: On my 2 GHz Opteron system with a pretty average nvidia
 gigabit network card I can ping around 60k to 200k adresses per second,
 depending on routing decisions.

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