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Educational information about UDP packet length limitation

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This commit is contained in:
Trustin Lee 2010-01-06 12:13:40 +00:00
parent 96da66960a
commit bfc3b3999d
2 changed files with 14 additions and 0 deletions
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7
src/main/java/org/jboss/netty/example/qotm/QuoteOfTheMomentClient.java
View File

@ -58,6 +58,13 @@ public class QuoteOfTheMomentClient {
// Allow packets as large as up to 1024 bytes (default is 768).
// You could increase or decrease this value to avoid truncated packets
// or to improve memory footprint respectively.
//
// Please also note that a large UDP packet might be truncated or
// dropped by your router no matter how you configured this option.
// In UDP, a packet is truncated or dropped if it is larger than a
// certain size, depending on router configuration. IPv4 routers
// truncate and IPv6 routers drop a large packet. That's why it is
// safe to send small packets in UDP.
b.setOption(
"receiveBufferSizePredictorFactory",
new FixedReceiveBufferSizePredictorFactory(1024));

7
src/main/java/org/jboss/netty/example/qotm/QuoteOfTheMomentServer.java
View File

@ -57,6 +57,13 @@ public class QuoteOfTheMomentServer {
// Allow packets as large as up to 1024 bytes (default is 768).
// You could increase or decrease this value to avoid truncated packets
// or to improve memory footprint respectively.
//
// Please also note that a large UDP packet might be truncated or
// dropped by your router no matter how you configured this option.
// In UDP, a packet is truncated or dropped if it is larger than a
// certain size, depending on router configuration. IPv4 routers
// truncate and IPv6 routers drop a large packet. That's why it is
// safe to send small packets in UDP.
b.setOption(
"receiveBufferSizePredictorFactory",
new FixedReceiveBufferSizePredictorFactory(1024));