Subject: RE: RTT

From: "Tom-PT Taylor" <[email-masked]>
Date: Tue, 7 Sep 1999 13:39:29 -0400

This hasn't been true for a couple of years, since H.323 v2 and the fast
connect precedure came out.  Post dial delay for H.323 is also 1.5 RTT using
fast connect.

> -----Original Message-----
> From:	Stephen Sprunk [SMTP:[email-masked]]
> Sent:	Tuesday, September 07, 1999 12:14 PM
> To:	Henri Setiawan; IPTEL
> Subject:	Re: RTT
> 
> RTT stands for Round-Trip Time, the time it takes a packet (eg. a ping) to
> travel to a host and then travel back.  What that statement means is that
> if
> the RTT between two hosts is 50ms, SIP will take 75ms to set up the call
> and
> H.323 will take 425ms.
> 
> S
> 
> 
> Stephen Sprunk, K5SSS, CCIE#3723
> Network Consulting Engineer
> Cisco NSA   Dallas, Texas, USA
> e-mail:[email-masked]
> Pager: +1 800 365-4578
> Empowering the Internet Generation
> 
> 
> ----- Original Message -----
> From: Henri Setiawan
> To: IPTEL
> Sent: Tuesday, September 07, 1999 0:56
> Subject: RTT
> 
> 
> I have question regarding this abbreviation RTT as I read an article that
> said:
> "Post dial delay for H.3232 is 8.5 RTT and for SIP  only need 1.5 RTT"
> 
> Is there anyone kindly help me explaining the meaning for this statement ?
> What is the length for RTT ?
> 
> Thanks
> 
> 
> 
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> 
> 
> ---------
> This message came from the IETF IPTEL Working Group Mailing List.

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