4. Selective acknowledgements: SACK
The classic acknowledgement method implemented by TCP, based on the ACK N˚ field, shows significant limitations when segment losses occur. Indeed, as we saw in paragraph 2.1.2 , when there are multiple losses in a transmission window, the receiving TCP can only indicate to the sender the first of the missing bytes, the latter then having to wait for the reception of an ACK acknowledging new data before being able...
The Ultimate Scientific and Technical Reference
This article is included in
Networks and Telecommunications
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Selective acknowledgements: SACK
ECN: proactive congestion control
Bibliography
References
Organizations
Internet Engineering Task Force (IETF)
All working group documents, as well as Internet Drafts, are available free of charge on the IETF website.
IETF working groups
...
The Ultimate Scientific and Technical Reference
