Messages in this thread | | | Subject | Re: [RFC] [TCP 1/3] tcp: Add MSG_NEW_PACKET flag to indicate preferable packet boundaries | From | Eric Dumazet <> | Date | Fri, 29 Jun 2012 19:15:57 +0200 |
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On Fri, 2012-06-29 at 17:38 +0200, Andreas Gruenbacher wrote:
> The primary use case is fast Gigabit (10 or more) Ethernet connections > with jumbo frames and switches that support them. There, frames will go > through unchanged and you can zero-copy receive all the time. > > Not sure how well the approach scales to other kinds of connections; it > may work often enough to be worth it. When things get distorted between > the sender and the receiver and tcp_recvbio() fails, the data can still > be copied out of the socket as before.
If you have a packet loss, receiver can and will coalesce frames.
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