chesnokoff commented on code in PR #12671:
URL: https://github.com/apache/ignite/pull/12671#discussion_r2755399860
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modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java:
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@@ -348,7 +348,10 @@ public abstract class IgniteUtils extends CommonUtils {
indexOf('.', IgniteUtils.class.getName().indexOf('.') + 1));
/** Network packet header. */
- public static final byte[] IGNITE_HEADER = intToBytes(0x00004747);
+ public static final byte[] IGNITE_HEADER_V1 = intToBytes(0x00004747);
+
+ /** Network packet header. */
+ public static final byte[] IGNITE_HEADER_V2 = intToBytes(0x0049474E);
Review Comment:
We still need a header as a simple magic prefix to quickly reject non-Ignite
or wrong-endpoint connections before we try to parse any data. IGNITE_HEADER_v2
makes the new handshake path explicit and helps keep backward compatibility and
clearer diagnostics for version mismatches.
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