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distributed cluster cycle prevention

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Added BYPASS to P2P protocol, and use it to avoid cycling between
cluster gateways.

Distributed clusters are working well now!
This commit is contained in:
Joey Hess 2024-06-27 12:20:22 -04:00
parent effaf51b1f
commit 3dad9446ce
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8 changed files with 156 additions and 55 deletions
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doc/design/p2p_protocol.mdwn
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@ -55,7 +55,7 @@ any authentication.
The client sends the highest protocol version it supports:
VERSION 3
VERSION 2
The server responds with the highest protocol version it supports
that is less than or equal to the version the client sent:
@ -64,6 +64,19 @@ that is less than or equal to the version the client sent:
Now both client and server should use version 1.
## Cluster cycle prevention
In protocol version 2, immediately after VERSION, the
client can send an additional message that is used to
prevent cycles when accessing clusters.
BYPASS UUID1 UUID2 ...
The UUIDs are cluster gateways to avoid connecting to when
serving a cluster.
The server makes no response to this message.
## Binary data
The protocol allows raw binary data to be sent. This is done