Minecraft:RakNet - Revision history

SyncBot: Sync: updated from Minecraft

2026-10-20T11:10:49Z

Sync: updated from Minecraft

SyncBot: Sync: updated from Minecraft

2026-10-04T11:17:19Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:17, 4 October 2026
Line 1:		Line 1:
	{{Exclusive\|bedrock}}		{{Exclusive\|bedrock}}

	'''RakNet'''<ref>http://www.jenkinssoftware.com/</ref> is a networking library and protocol for multiplayer games. It runs over UDP and provides connection management, configurable reliability and ordering, sequencing, and fragmentation.		'''RakNet'''<ref>http://www.jenkinssoftware.com/</ref> is a networking library and protocol for multiplayer games. It runs over [[Minecraft:wikipedia:User_Datagram_Protocol\|UDP]] and provides connection management, configurable reliability and ordering, sequencing, and fragmentation.

	UDP does not guarantee delivery or ordering. RakNet supports different delivery modes, so applications can request reliability or ordering when needed.		[[Minecraft:wikipedia:User_Datagram_Protocol\|UDP]] does not guarantee delivery or ordering. RakNet supports different delivery modes, so applications can request reliability or ordering when needed.

	The source code for RakNet is available in the [https://github.com/OculusVR/RakNet/ OculusVR archive].		The source code for RakNet is available in the [https://github.com/OculusVR/RakNet/ OculusVR archive].
Line 116:		Line 116:
	! Boolean		! Boolean
	\| 1 byte		\| 1 byte
	\| ~~<code>~~0x00~~</code>~~ is false; ~~<code>~~0x01~~</code>~~ is true.		\| {{cd\|0x00}} is false; {{cd\|0x01}} is true.
	\|-		\|-
	! Short		! Short
Line 144:		Line 144:
	! Magic		! Magic
	\| 16 bytes		\| 16 bytes
	\| The fixed ~~<code>~~00ffff00fefefefefdfdfdfd12345678~~</code>~~ value used in offline packets.<ref>[https://github.com/facebookarchive/RakNet/blob/master/Source/RakPeer.cpp RakNet: RakPeer.cpp]</ref>		\| The fixed {{cd\|00ffff00fefefefefdfdfdfd12345678}} value used in offline packets.<ref>[https://github.com/facebookarchive/RakNet/blob/master/Source/RakPeer.cpp RakNet: RakPeer.cpp]</ref>
	\|-		\|-
	! Address		! Address
Line 163:		Line 163:
	# C→S: [[#New Incoming Connection\|New Incoming Connection]]		# C→S: [[#New Incoming Connection\|New Incoming Connection]]

	After this exchange, peers can send connected packets. In Bedrock Edition, game packets are carried in RakNet frames as described at [[#Game Packet\|Game Packet]].		After this exchange, peers can send connected packets. In [[Minecraft:Bedrock Edition]], game packets are carried in RakNet frames as described at [[#Game Packet\|Game Packet]].

	== Packets ==		== Packets ==
Line 191:		Line 191:
	\|}		\|}

	The client sends this packet to discover a server. ID ~~<code>~~0x01~~</code>~~ is a regular unconnected ping; ~~<code>~~0x02~~</code>~~ asks for a response only when the server has open connections. The server replies with [[#Unconnected Pong\|Unconnected Pong]].		The client sends this packet to discover a server. ID {{cd\|0x01}} is a regular unconnected ping; {{cd\|0x02}} asks for a response only when the server has open connections. The server replies with [[#Unconnected Pong\|Unconnected Pong]].

	=== Unconnected Pong ===		=== Unconnected Pong ===
Line 278:		Line 278:
	\| MTU		\| MTU
	\| Zero padding		\| Zero padding
	\| Zero padding used to probe the path MTU.		\| Zero padding used to probe the path [[Minecraft:wikipedia:Maximum_transmission_unit\|MTU]].
	\|}		\|}

	The padding is used to probe the path MTU. The server replies with the selected MTU, or sends [[#Incompatible Protocol\|Incompatible Protocol]] if it does not support the client's RakNet protocol version.		The padding is used to probe the path [[Minecraft:wikipedia:Maximum_transmission_unit\|MTU]]. The server replies with the selected MTU, or sends [[#Incompatible Protocol\|Incompatible Protocol]] if it does not support the client's RakNet protocol version.

	=== Open Connection Reply 1 ===		=== Open Connection Reply 1 ===

SyncBot: Sync: updated from Minecraft

2026-10-03T11:21:28Z

Sync: updated from Minecraft

Show changes

SyncBot: Sync: updated from Minecraft

2026-08-06T11:21:57Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:21, 6 August 2026
Line 811:		Line 811:
	[[Category:Bedrock Edition]]		[[Category:Bedrock Edition]]
	{{license wiki.vg}}		{{license wiki.vg}}

			[[Minecraft:ru:RakNet]]

SyncBot: Sync: updated from Minecraft

2026-07-10T11:20:07Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:20, 10 July 2026
Line 799:		Line 799:
	\|End of the range		\|End of the range
	\|}		\|}
	An ACK ~~sould~~ be sent periodically to acknowledge every packet that was received.<br>		An ACK should be sent periodically to acknowledge every packet that was received.<br>
	<br>		<br>
	'''Note: for both ACK and NACK packets, there can be multiple records.'''		'''Note: for both ACK and NACK packets, there can be multiple records.'''

SyncBot: Sync: updated from Minecraft

2026-06-23T11:13:15Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:13, 23 June 2026
Line 519:		Line 519:
	\| Request time		\| Request time
	\| Long		\| Long
	\|		\| Shall be the corresponding timestamp of the [[#Connection Request\|Connection Request]]
	\|-		\|-
	\| Time		\| Time
	\| Long		\| Long
	\|		\| Current send time in milliseconds
	\|}		\|}

SyncBot: Sync: updated from Minecraft

2026-06-22T11:11:20Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:11, 22 June 2026
Line 620:		Line 620:
	\|colspan="2"\| Length '''IN BITS'''		\|colspan="2"\| Length '''IN BITS'''
	\| unsigned short		\| unsigned short
	\| Length of the body '''in bits'''.		\| Length of the body '''in bits'''. ''Big-endian.''
	\|-		\|-
	\|colspan="2"\| Reliable frame index		\|colspan="2"\| Reliable frame index

SyncBot: Sync: updated from Minecraft

2026-06-21T11:29:27Z

Sync: updated from Minecraft

Show changes

SyncBot: Sync: updated from Minecraft

2026-06-20T11:18:35Z

Sync: updated from Minecraft

← Older revision		Revision as of 11:18, 20 June 2026
Line 1:		Line 1:
	{{~~MC/~~Exclusive\|bedrock}}		{{Exclusive\|bedrock}}
	'''RakNet'''<ref>http://www.jenkinssoftware.com/</ref> is a networking library used by ''[[Minecraft:Bedrock Edition]]''. This documentation is based on the old [[Minecraft:Pocket Edition protocol\|''Pocket Edition'' protocol]] and may be incomplete or outdated.		'''RakNet'''<ref>http://www.jenkinssoftware.com/</ref> is a networking library used by ''[[Minecraft:Bedrock Edition]]''. This documentation is based on the old [[Minecraft:Pocket Edition protocol\|''Pocket Edition'' protocol]] and may be incomplete or outdated.
	The source code for the RakNet Library can be found [https://github.com/OculusVR/RakNet/ here].		The source code for the RakNet Library can be found [https://github.com/OculusVR/RakNet/ here].
	RakNet uses {{~~MC/~~W\|User Datagram Protocol\|UDP}} as its networking protocol. The key differences from TCP are that not all packets are guaranteed to reach the destination at all or in order (it isn't reliable) and it uses messages with a specified length instead of streams of data. RakNet compensates for the out-of-order delivery and makes it reliable.		RakNet uses {{W\|User Datagram Protocol\|UDP}} as its networking protocol. The key differences from TCP are that not all packets are guaranteed to reach the destination at all or in order (it isn't reliable) and it uses messages with a specified length instead of streams of data. RakNet compensates for the out-of-order delivery and makes it reliable.

	== Libraries ==		== Libraries ==
Line 176:		Line 176:
	\| Signed little-endian 32-bit Integer		\| Signed little-endian 32-bit Integer
	\|}		\|}
			''Note that most integral types are encoded in network byte order (big-endian, see [[Minecraft:w:Endianness#Networking\|wikipedia]]).''

	== Handshake sequence ==		== Handshake sequence ==
Line 239:		Line 240:
	\|		\|
	\|-		\|-
	\| Server ID ~~string~~		\| Server ID String
	\| string		\| string
	\| Used for the MOTD. See below for details.		\| Used for the MOTD. See below for details.
	\|}		\|}

	Unconnected Pong message is sent by the server to the client in response to the Unconnected Ping message. It contains various data that is sent to the client such as MOTD, number of players, max player count, etc. The format is given below:		Unconnected Pong message is sent by the server to the client in response to the Unconnected Ping message. ''Time'' shall be set to the time received in the [[#Unconnected Ping\|Unconnected Ping]] as it will probably be used to calculate ping. The ''Server ID String'' contains various data that is sent to the client such as MOTD, number of players, max player count, etc. The format is given below:

	'''Server ID string format'''		'''Server ID string format'''
Line 660:		Line 661:
	\| Single packet of the GAME protocol. The packet is usually compressed.		\| Single packet of the GAME protocol. The packet is usually compressed.
	\|}		\|}
			In [[Minecraft:Bedrock Edition\|Minecraft Bedrock Edition]], the game packet contains bytes encoded according to the [[Minecraft:Bedrock Edition protocol\|Bedrock Edition Protocol]].

	=== NACK ===		=== NACK ===
Line 722:		Line 724:

	== References ==		== References ==
	{{~~MC/Reflist~~}}		{{reflist}}

	== Navigation ==		== Navigation ==
	{{~~MC/~~Navbox Bedrock Edition}}		{{Navbox Bedrock Edition}}

	[[Category:Bedrock Edition]]		[[Category:Bedrock Edition]]
	{{~~MC/License~~ wiki.vg}}		{{license wiki.vg}}

SyncBot: Fix template calls: add MC/ prefix

2026-04-09T20:52:35Z

Fix template calls: add MC/ prefix

← Older revision		Revision as of 20:52, 9 April 2026
Line 1:		Line 1:
	{{Exclusive\|bedrock}}		{{MC/Exclusive\|bedrock}}
	'''RakNet'''<ref>http://www.jenkinssoftware.com/</ref> is a networking library used by ''[[Minecraft:Bedrock Edition]]''. This documentation is based on the old [[Minecraft:Pocket Edition protocol\|''Pocket Edition'' protocol]] and may be incomplete or outdated.		'''RakNet'''<ref>http://www.jenkinssoftware.com/</ref> is a networking library used by ''[[Minecraft:Bedrock Edition]]''. This documentation is based on the old [[Minecraft:Pocket Edition protocol\|''Pocket Edition'' protocol]] and may be incomplete or outdated.
	The source code for the RakNet Library can be found [https://github.com/OculusVR/RakNet/ here].		The source code for the RakNet Library can be found [https://github.com/OculusVR/RakNet/ here].
	RakNet uses {{W\|User Datagram Protocol\|UDP}} as its networking protocol. The key differences from TCP are that not all packets are guaranteed to reach the destination at all or in order (it isn't reliable) and it uses messages with a specified length instead of streams of data. RakNet compensates for the out-of-order delivery and makes it reliable.		RakNet uses {{MC/W\|User Datagram Protocol\|UDP}} as its networking protocol. The key differences from TCP are that not all packets are guaranteed to reach the destination at all or in order (it isn't reliable) and it uses messages with a specified length instead of streams of data. RakNet compensates for the out-of-order delivery and makes it reliable.

	== Libraries ==		== Libraries ==
Line 722:		Line 722:

	== References ==		== References ==
	{{~~reflist~~}}		{{MC/Reflist}}

	== Navigation ==		== Navigation ==
	{{Navbox Bedrock Edition}}		{{MC/Navbox Bedrock Edition}}

	[[Category:Bedrock Edition]]		[[Category:Bedrock Edition]]
	{{~~license~~ wiki.vg}}		{{MC/License wiki.vg}}