View previous topic :: View next topic |
Author |
Message |
BeerCheeze *hick*
Joined: 14 Jun 2003 Posts: 9285 Location: At the Bar
|
Posted: Tue, 09 Dec 2003 16:23:46 Post Subject: |
|
|
IceNine wrote: | You and your Cisco propaganda! |
Don't make me call the Cisco cops on you again.... |
|
Back to top |
|
|
Little Bruin
Boo Boo
Joined: 07 Apr 2003
Posts: 667
Location: Pic-A-Nic Basket |
|
|
Bert Rated NC-17
Joined: 23 Aug 2003 Posts: 132 Location: Belgium
|
Posted: Sun, 14 Dec 2003 09:36:02 Post Subject: |
|
|
clean revieuw _________________ Its all about modding |
|
Back to top |
|
|
deeno Rated PG
Joined: 10 Feb 2004 Posts: 1
|
|
Back to top |
|
|
Doctor Feelgood Arrrrghh!
Joined: 07 Apr 2003 Posts: 20349 Location: New Jersey
|
|
Back to top |
|
|
mapomme Rated PG
Joined: 04 Mar 2004 Posts: 1
|
Posted: Thu, 04 Mar 2004 01:37:37 Post Subject: Re: D-Link DVG-1120M VoIP Gateway Review - Reply |
|
|
deeno wrote: | I just want to verify if the download/upload speeds were affected because of the G711 codec used. did you try using G729 codec? G711 consumes more than 64kbps bandwidth while with g729 it is generally like 18k at most. |
I wonder if one of the factor contributing to the observed behavior is not the asymmetry of the DSL link.
This effect has been identified and studied at IETF. The results are publicized in the document BCP 69-RFC 3449 (TCP Performance Implications of Network Path Asymmetry).
It would require:
- the VoIP stream to be steady (not bursty) on the uplink
- TCP is the transport protocol used to convey data on the downlink (most likely if it is web browsing)
An interesting test would be to see what max data rate could be reached downlink with a UDP flow during a call. |
|
Back to top |
|
|
maguirre22 Rated PG
Joined: 23 Jun 2004 Posts: 1
|
|
Back to top |
|
|
BeerCheeze *hick*
Joined: 14 Jun 2003 Posts: 9285 Location: At the Bar
|
|
Back to top |
|
|
Little Bruin
Boo Boo
Joined: 07 Apr 2003
Posts: 667
Location: Pic-A-Nic Basket |
|
|
T-shirt Rated XXX
Joined: 22 Aug 2003 Posts: 795 Location: Snohomish, WA USA
|
Posted: Thu, 24 Jun 2004 01:12:11 Post Subject: |
|
|
Having outside the firewall is preferred, I believe. due to the protocols used it is unlikely (never say never, can't or impossible) that it could be used to tap or invade your data stream. Having a DMZ or open port to allow it to be seen, if behind the firewall, probably represents a greater danger. However the voice stream could possibly be compromised (guaranteed ,if Ashcroft gets his way) So keep your death threats, tax scams, and conspiracy's off the VOIP line. |
|
Back to top |
|
|
Doctor Feelgood Arrrrghh!
Joined: 07 Apr 2003 Posts: 20349 Location: New Jersey
|
|
Back to top |
|
|
kaput Rated PG
Joined: 21 Aug 2004 Posts: 3
|
|
Back to top |
|
|
|