rfc9616v6.txt		rfc9616.txt
	skipping to change at line 469 ¶		skipping to change at line 469 ¶
	5. Backwards and Forwards Compatibility		5. Backwards and Forwards Compatibility
	This protocol extension stores the data that it requires within sub-		This protocol extension stores the data that it requires within sub-
	TLVs of Babel's Hello and IHU TLVs. As discussed in Appendix D of		TLVs of Babel's Hello and IHU TLVs. As discussed in Appendix D of
	[RFC8966], implementations that do not understand this extension will		[RFC8966], implementations that do not understand this extension will
	silently ignore the sub-TLVs while parsing the rest of the TLVs that		silently ignore the sub-TLVs while parsing the rest of the TLVs that
	they contain. In effect, this extension supports building hybrid		they contain. In effect, this extension supports building hybrid
	networks consisting of extended and unextended routers; while such		networks consisting of extended and unextended routers; while such
	networks might suffer from sub-optimal routing, they will not suffer		networks might suffer from sub-optimal routing, they will not suffer
	from blackholes or routing loops.		from routing loops or other pathologies.
	If a sub-TLV defined in this extension is longer than expected, the		If a sub-TLV defined in this extension is longer than expected, the
	additional data is silently ignored. This provision is made in order		additional data is silently ignored. This provision is made in order
	to allow a future version of this protocol to extend the packet		to allow a future version of this protocol to extend the packet
	format with additional data, for example high-precision or absolute		format with additional data, for example high-precision or absolute
	timestamps.		timestamps.
	6. Packet Format		6. Packet Format
	This extension defines the Timestamp sub-TLV whose Type field has the		This extension defines the Timestamp sub-TLV whose Type field has the
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