Re: Value of congestion window (cwnd) when loss is detected

2015-09-03 Thread Julian Elischer
On 9/3/15 7:13 PM, Lawrence Stewart wrote: On 09/03/15 10:54, hiren panchasara wrote: I am failing to understand the reason behind this behavior. What should the congestion window (snd_cwnd) be set to when we hit loss? It seems that we set it to 1 segment right now.

Re: Value of congestion window (cwnd) when loss is detected

2015-09-03 Thread hiren panchasara
On 09/03/15 at 09:13P, Lawrence Stewart wrote: > On 09/03/15 10:54, hiren panchasara wrote: > > I am failing to understand the reason behind this behavior. > > > > What should the congestion window (snd_cwnd) be set to when we hit loss? > > It seems that we set it to 1 segment right now. > >

Re: Value of congestion window (cwnd) when loss is detected

2015-09-03 Thread hiren panchasara
On 09/03/15 at 09:16P, hiren panchasara wrote: > On 09/03/15 at 09:13P, Lawrence Stewart wrote: [skip] > > > > You want to read up about window inflation during fast recovery in RFC > > 5681 followed by 3782, and then consult Stevens vol 2 to understand how > > variables are used for different

Re: Value of congestion window (cwnd) when loss is detected

2015-09-03 Thread Lawrence Stewart
On 09/03/15 10:54, hiren panchasara wrote: > I am failing to understand the reason behind this behavior. > > What should the congestion window (snd_cwnd) be set to when we hit loss? > It seems that we set it to 1 segment right now. >

Re: Value of congestion window (cwnd) when loss is detected

2015-09-03 Thread hiren panchasara
On 09/03/15 at 10:53P, hiren panchasara wrote: > On 09/03/15 at 09:16P, hiren panchasara wrote: > > On 09/03/15 at 09:13P, Lawrence Stewart wrote: > [skip] > > > > > > You want to read up about window inflation during fast recovery in RFC > > > 5681 followed by 3782, and then consult Stevens vol

Value of congestion window (cwnd) when loss is detected

2015-09-02 Thread hiren panchasara
I am failing to understand the reason behind this behavior. What should the congestion window (snd_cwnd) be set to when we hit loss? It seems that we set it to 1 segment right now. https://svnweb.freebsd.org/base/head/sys/netinet/tcp_input.c?revision=286227=markup#l2531 I also see that in the