diff options
Diffstat (limited to 'node')
| -rw-r--r-- | node/Constants.hpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/node/Constants.hpp b/node/Constants.hpp index f1a36c65..49322030 100644 --- a/node/Constants.hpp +++ b/node/Constants.hpp @@ -226,9 +226,16 @@ error_no_ZT_ARCH_defined; * the sum of BREADTH^i where I is from 1 to DEPTH. This ignores the effect * of the rate limiting algorithm or bloom filter collisions. * - * 7 results in a max of 21844 recipients for a given multicast. + * 5 results in a max of 1364 recipients for a given multicast. With a limit + * of 50 bytes/sec (average) for multicast, this results in a worst case of + * around 68kb/sec of multicast traffic. FYI the average multicast traffic + * from a Mac seems to be about ~25bytes/sec. Windows measurements are TBD. + * Linux is quieter than Mac. + * + * This are eventually going to become per-network tunable parameters, along + * with per-network peer multicast rate limits. */ -#define ZT_MULTICAST_PROPAGATION_DEPTH 7 +#define ZT_MULTICAST_PROPAGATION_DEPTH 5 /** * Length of ring buffer history of recent multicast packets |