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Edits to the measurex tutorial (#534)

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Arturo Filastò 2021-10-11 17:48:45 +02:00 • committed by GitHub
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14 changed files with 58 additions and 58 deletions
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8
internal/tutorial/measurex/chapter03/README.md
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@ -30,7 +30,7 @@ import (
)
func main() {
query := flag.String("query", "example.com", "domain to resolver")
query := flag.String("query", "example.com", "domain to resolve")
address := flag.String("address", "8.8.4.4:53", "DNS-over-UDP server address")
timeout := flag.Duration("timeout", 60*time.Second, "timeout to use")
flag.Parse()
@ -429,9 +429,9 @@ Here's the corresponding JSON:
}
```
We see that we do fail with a timeout (I have marked some of them
We see that we fail with a timeout (I have marked some of them
with comments inside the JSON). We see the timeout at three different
level of abstractions (from lower to higher abstraction): at the socket layer,
levels of abstractions (from lower to higher abstraction): at the socket layer,
during the DNS round trip, during the DNS lookup.
What we also see is that `t`'s value is ~5s when the `read` event
@ -562,6 +562,6 @@ Here's the answer I get:
## Conclusion
We have seen how we sending DNS queries over UDP, measure the
We have seen how to send DNS queries over UDP, measure the
results, and what happens on common error conditions.