notification
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... RFC793] and SCTP [RFC2960] provide notification of duplicate
segment receipt through duplicate selective acknowledgment ...
... [RFC2883] and Duplicate TSN notifications, respectively. Using this
information, a TCP or SCTP sender ...
... retransmission was sent in error. This document presents two methods
for using duplicate notifications. The first method is simple and
can be used for accounting ...
... Counting Duplicate Notifications ...
...
For certain applications a straight count of duplicate notifications
will suffice. For instance, if a stack simply wants to know (for
some reason) the number of spuriously retransmitted segments ...
... some reason) the number of spuriously retransmitted segments,
counting all duplicate notifications for retransmitted segments
should work well. Another application of this strategy is to monitor
...
... large amounts of spurious data into the network. For instance,
monitoring duplicate notifications could be used by the Early
Retransmit [AAAB03] algorithm ...
... spurious retransmits.
More speculatively, duplicate notification has been proposed as an
integral part of estimating TCP's total loss rate [AEO03 ...
... transport sender estimate
the total loss rate. Duplicate notifications are a key part of
estimating the total loss rate accurately [AEO03].
...
... N+1 was needlessly retransmitted). When the sender receives the
notification that segment N+1 arrived more than once it can
conclude that segment ...
... (b) That network duplication is not the cause of the duplicate
notification.
Determining whether a duplicate notification ...
... notification.
Determining whether a duplicate notification is caused by network
duplication of a packet or a spurious retransmit is a nearly
...
... network duplication is detected
(by receiving a duplication notification for a segment that was
not retransmitted by the sender ...
... nonce from the original transmission and therefore can "prove" to
the sender that the duplication notification is valid. In the case
when the receiver ...
... Spring, N., Wetherall, D. and D. Ely, "Robust Explicit Congestion Notification (ECN) Signaling with Nonces ...