rfc8923_6.1.original		rfc8923_dectree.txt
	- Will it ever be necessary to offer any of the following?		+----------------------------------------------------------+
	* Reliably transfer data		| Will it ever be necessary to offer any of the following? |
	* Notify the peer of closing/aborting		| * Reliably transfer data |
	* Preserve data ordering		| * Notify the peer of closing/aborting |
			| * Preserve data ordering |
	Yes: SCTP or TCP can be used.		+----------------------------------------------------------+
	- Is any of the following useful to the application?		| |
	* Choosing a scheduler to operate between connections		|Yes |No
	in a group, with the possibility to configure a priority		| |
	or weight per connection		V V
	* Configurable message reliability		+--------------------------------------+ +-----------------------------+
	* Unordered message delivery		| Is any of the following useful to | | Is any of the following |
	* Request not to delay the acknowledgement (SACK) of a message		| the application? | | useful to the application? |
			| * Choosing a scheduler to operate | | * Specify checksum coverage |
	Yes: SCTP is preferred.		| between connections in a group, | | used by the sender |
	No:		| with the possibility to configure | | * Specify minimum checksum |
	- Is any of the following useful to the application?		| a priority or weight per connection| | coverage required by the |
	* Hand over a message to reliably transfer (possibly		| * Configurable message reliability | | receiver |
	multiple times) before connection establishment		| * Unordered message delivery | +-----------------------------+
	* Suggest timeout to the peer		| * Request not to delay the | | |
	* Notification of Excessive Retransmissions (early		| acknowledgement (SACK) of a message| |Yes |No
	warning below abortion threshold)		+--------------------------------------+ | |
	* Notification of ICMP error message arrival		| | | |
			|Yes |No | |
	Yes: TCP is preferred.		V | V V
	No: SCTP and TCP are equally preferable.		SCTP is | UDP-Lite is UDP is
			preferred. | preferred. preferred.
	No: all protocols can be used.		V
	- Is any of the following useful to the application?		+------------------------------------------------------+
	* Specify checksum coverage used by the sender		| Is any of the following useful to the application? |
	* Specify minimum checksum coverage required by receiver		| * Hand over a message to reliably transfer (possibly |
			| multiple times) before connection establishment |
	Yes: UDP-Lite is preferred.		| * Suggest timeout to the peer |
	No: UDP is preferred.		| * Notification of Excessive Retransmissions (early |
			| warning below abortion threshold) |
			| * Notification of ICMP error message arrival |
			+------------------------------------------------------+
			| |
			|Yes |No
			V V
			TCP is preferred. SCTP and TCP
			are equally preferable.
End of changes. 1 change blocks.
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