Re: Re: AD Evaluation comments on draft-ietf-rmt-bb-tfmcc-06

Joerg Widmer wrote:
> Hi Magnus,
> 
>>> As written in 3.6, "Slowstart is terminated as soon as any one of the
>>> receivers experiences its first packet loss". We kept TFMCC congestion 
>>> control as similar to TFRC as possible, so all this is more or less as 
>>> in RFC 3448. For multicast, a false slowstart during severe congestion 
>>> can cause considerable harm and we therefore opted to only allow it at 
>>> the start of the session.
>> Okay, it is clear when you leave slow start. What isn't clear is the 
>> what the requirements are for entering slow start. In my opinion the 
>> draft need some text explaining when a sender is allowed to use slow start.
> 
> Ok, I can include a sentence in section 3.6 that explicitly states that 
> slowstart is only used at the beginning before any of the receivers has 
> experienced any loss.
> 

So if I as a sender stop sending, can I after any time use slow start 
again? If I can what rules applies. When does my acquired state become 
useless?

Cheers

Magnus Westerlund

Multimedia Technologies, Ericsson Research EAB/TVA/A
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