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benjojo/sping
Enhancement idea: measure hopcount

When measuring and comparing latency I find it quite valuable to also measure the hopcount between hosts. This immediately shows routing changes and can help to categorize reasons for latency changes when ...
  • electroniceel
  • 1
  • Opened 
    on Jan 30, 2024
  • #20

benjojo/sping
Crash with many new sessions

Hello, If an attacker requests a large number of new sessions, the server crashes after quite a lot of memory has been requested. Attack script: require socket vhost = 127.0.0.1 vport = 6924 class ...
  • marek22k
  • Opened 
    on Nov 7, 2023
  • #19

benjojo/sping
Possibility to disturb the measurements

It is possible for an attacker to send UDP packets with any session ID. By sending 2**32 packets with a session ID starting at 0, the attacker would manage to falsify all active measurements by one value. ...
  • marek22k
  • 1
  • Opened 
    on Nov 6, 2023
  • #18

benjojo/sping
Error with duplicate session ID

If the same session ID is generated twice, the old session is overwritten. Another session ID should be generated instead. https://github.com/benjojo/sping/blob/master/sessionhandle.go#L187
  • marek22k
  • Opened 
    on Nov 6, 2023
  • #17

benjojo/sping
A loss of 32 can never be determined

Hello, I am currently looking at the code for the program. It is about the following: The function getLoss determines how many packages have been lost. To do this, the For loop is run through for the ...
  • marek22k
  • Opened 
    on Nov 5, 2023
  • #16

benjojo/sping
First ack slot is at position 1

Hello, I don t know if it s intentional or not, but the first measurement is saved in the second slot (1) and not in the first slot (0). This does not make much sense to me. Should it be like this? If ...
  • marek22k
  • Opened 
    on Nov 5, 2023
  • #15

benjojo/sping
Document the license

There is currently no license information provided in the repo. Please add a LICENSE file or similar to make it clear. Thanks!
  • elcabaye
  • 2
  • Opened 
    on Sep 5, 2022
  • #14

benjojo/sping
Add support for host name resolution

Host name resolution would provide at least two benefits: - usual benefit of DNS over IP in configs, clarity of what the peers actually are - possible use of host name in metric exports to again make ...
  • elcabaye
  • Opened 
    on Sep 5, 2022
  • #13

benjojo/sping
magnitude difference between rx/tx latency and ping latency

Expected goal: rx latency + tx laentcy ≈ ping latency But the rx/tx latency by sping does not match the latency of ping, the difference is several orders of magnitude - Ping between different nodes ...
  • Sangshaai
  • 6
  • Opened 
    on Oct 21, 2021
  • #12

benjojo/sping
Extra arguments should trigger an error

% ./sping -peers 193.70.85.11 -debug.showstats foobar 2021/03/24 13:13:00 Listening on[::]:9523 it is now: 2021-03-24 13:13:01.000243893 +0100 CET m=+0.982975288 The extra foobar has been silently ignored, ...
  • bortzmeyer
  • Opened 
    on Mar 24, 2021
  • #10
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