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Why are Forums so slow?

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Not too sure where to post this, but being that the same wholes true for all AvSim forums including FSX, I guess this is about as good as any other, particularly thanks to exposure.For some reason today, activating anything on the AvSim forums is extremely slow for me on this first day of 2011. For example in order to get to the point of posting this thread (i.e. Selecting forums, then selecting the FSX Forum, then selecting to make this post took about five minutes. Normally this has required only about 5 seconds. When I select "Post New Topic" to add this thread will work but will take another two minutes or so to be entered. All selections in the AvSim Library are normal and instant. All other forums seem to be instant as well.Another odd thing today which may or may not be related to this is that I normally use "Google.com" as my browser display page. Somewhere between one and two minutes after clicking the Internet Icon, I get the following display:"The requested URL could not be retrieved--------------------------------------------------------------------------------While trying to retrieve the URL: http://www.google.com/ The following error was encountered: Unable to determine IP address from host name for www.google.com The dnsserver returned: Timeout This means that: The cache was not able to resolve the hostname presented in the URL. Check if the address is correct. Your cache administrator is root. phishing-warning-site.com"I go back and open the Internet with the MS default selection under properties and everything works fine. This problem seems to be unique to Google unless it is somehow related to the slowdown for AvSim Forums.Anybody else seeing anything like this?Respectfully:RTH --------------------------------------------------------------------------------Generated Sat, 01 Jan 2011 22:54:33 GMT by phishing-warning-site.com ....

  • Moderator

It's New Year's Day! How many folks have the day off from work?

Fr. Bill    

AOPA Member: 07141481 AARP Member: 3209010556


     Avsim Board of Directors | Avsim Forums Moderator

Hi there rhodges, I think if you clear your browser cache and try again, it may help. The forums here do get a little slow hardly now and then, but since the recent overhaul it is by far one of the best experiences for me as far as speed is concerned compared to other forums, which I only visit a few everyday. I literally loose my mind when I can't on Avsim when there is a technical glitch once in a blue moon. Avsim has been a part of my everyday routine for years. Sorry I went off topic a little bit. Anyway, everyones setup and connection differs as I'm sure you know. Anyway, this has been from my experience on the Avsim forums. By the way, I use Safari as my browser on my WinXP machine. I find it much snappier than IE, yet on my windows 7 FSX rig, I can use either Safari or IE and they work faster all around. :) Warm regards, Jeff

  • Author

Well folks, Murphy and his law are well and working.All is back to normal now, with instant response and I didn't do a thing to fix the probles. Apparently both problems, Google and AvSim were related in some way. Response is now in less than a second for access to anything in either.Sorry to have been a bother.RTH

Never a bother. You and everyone else here are family. I know I may not be correct all the time with my advice, but it gives me great pleasure to help fellow members. Glad it got sorted. :) Don't you just love how our computers toy with us and fix themselves? Not that is a bad thing! :)Warm regards, Jeff

  • Moderator

Internet traffic congestion frequently will cause a slowdown in response. Sometime, to connect with -say- AVSIM's servers your actual route might be through somewhere in the far east, if that's the only path open at the time...

Fr. Bill    

AOPA Member: 07141481 AARP Member: 3209010556


     Avsim Board of Directors | Avsim Forums Moderator

Very interesting, I never knew that the connection route paths changed like that. I thought the path was the same every time. I've often in the past had slow connection issues with sites overseas like Wilcopub from here, and yet others that were in different parts of the country had reported no issues at all. However within the past couple of years it has been blazing fast. Warm regards, Jeff

Very interesting, I never knew that the connection route paths changed like that. I thought the path was the same every time. I've often in the past had slow connection issues with sites overseas like Wilcopub from here, and yet others that were in different parts of the country had reported no issues at all. However within the past couple of years it has been blazing fast. Warm regards, Jeff
DARPA designed the "Internet" to do exactly that. The reasoning was that communications between military and support organizations (i.e., Colleges, Universities and Defense contractors) should be able to communicate no matter which "node" was down. This was to counter the impact on digital communications in the event of a nuclear attack. "Self Healing" and survivability were the intent and achieved by re-routing around nodes that had been taken out. You can see the architecture at work by going to your START, ACCESSORIES, COMMAND PROMPT. Open that up and then type in:TRACERT AVSIM.COMThat will show you the number of "hops" taken to get to AVSIM, the routing time between hops, and the various IP ADDRESSES of each hop. In my case, that is 8 hops with the longest connection time of 202 Milliseconds. Try it, and then once in awhile check it. Certainly do a TRACERT when you seem to have slow downs from AVSIM. 99 times out of 100, it is because of a bottle neck somewhere in your hops to our server and not AVSIM.In the event of a failure of one or more of the nodes between you and AVSIM, the net would automatically re-route to get you to our site.

The mysteries of Internet never cease to amaze this old guy! Here on Vancouver Island near Victoria BC, using what my ISP says (and what I pay for) is High Speed Internet: it takes consistently 8-12 seconds to bring up ANYTHING I have clicked on in AVSIM.Yet Bloomberg News (from the New York area) and the Tokyo Stock Exchange from half way around the world, never seem to take more than 1 or 2 seconds per click to access or change to a new page.Not that I'm complaining! At my age I have lots of time; at least I hope so!In any event, AVSIM is worth waiting for! And Tom, best wishes in the New Year to you and all your crew.Alex Reid

The mysteries of Internet never cease to amaze this old guy! Here on Vancouver Island near Victoria BC, using what my ISP says (and what I pay for) is High Speed Internet: it takes consistently 8-12 seconds to bring up ANYTHING I have clicked on in AVSIM.Yet Bloomberg News (from the New York area) and the Tokyo Stock Exchange from half way around the world, never seem to take more than 1 or 2 seconds per click to access or change to a new page.Not that I'm complaining! At my age I have lots of time; at least I hope so!In any event, AVSIM is worth waiting for! And Tom, best wishes in the New Year to you and all your crew.Alex Reid
I mentioned in another thread (many months ago) to AVSIM, that after the forum software upgrade the response in Canada has been very poor. Still is poor, but like Alex said, sometimes the best things are worth the wait.RJ
I mentioned in another thread (many months ago) to AVSIM, that after the forum software upgrade the response in Canada has been very poor. Still is poor, but like Alex said, sometimes the best things are worth the wait.RJ
The AVSIM servers are agnostic. They don't care if you are from Cairo, Doha, Vancouver or San Diego. Its response time to a query, no matter where that query originates, is the same. The ONLY thing that can impact our forum performance is user load; that is, the number of users viewing and posting at any given moment in time. On December 28th we had over 650 users online at one time (or within 15 mins of each other) and no complaints were heard. When we were hacked last year, our recovery plan was deliberate... We scaled the system to handle as large a load as we had ever experienced in our 13 years of existence. To today, we see no evidence that the system has bogged down resulting from load.I suspect your problem lies in the hops that get you to AVSIM . As I suggested above, do a TRACERT and look at the number of HOPS and the time those hops take to respond. Keep an eye on them over time. When you experience a delay longer than what you consider to be normal, do another TRACERT. I will be willing to bet that the lack of responsiveness lies somewhere in the path from you to AVSIM.
The AVSIM servers are agnostic. They don't care if you are from Cairo, Doha, Vancouver or San Diego. Its response time to a query, no matter where that query originates, is the same. The ONLY thing that can impact our forum performance is user load; that is, the number of users viewing and posting at any given moment in time. On December 28th we had over 650 users online at one time (or within 15 mins of each other) and no complaints were heard. When we were hacked last year, our recovery plan was deliberate... We scaled the system to handle as large a load as we had ever experienced in our 13 years of existence. To today, we see no evidence that the system has bogged down resulting from load.I suspect your problem lies in the hops that get you to AVSIM . As I suggested above, do a TRACERT and look at the number of HOPS and the time those hops take to respond. Keep an eye on them over time. When you experience a delay longer than what you consider to be normal, do another TRACERT. I will be willing to bet that the lack of responsiveness lies somewhere in the path from you to AVSIM.
Hi Tom- Yes AVSIM response is slow consistently regardless of date or time of day. But not a problem for me any way- time is what I seem to have available. I would agree that the routing is likely the reason.But another comparison shows up when I set my watch (gains 8-10 seconds per month!) using the time signals from the US Naval Observatory-USNO, which I think is located in your part of the world- somewhere in the DC area? Here, response is about as instantaneous as you can wish for. So that routing is exceptionally good.Anyway we "Canajuns" appreciate AVSIM and all the hard work by you and the volunteer crew.Alex ReidA question of curiosity- When I receive a time signal on the internet, is it in error by the amount of internet transmision/response time? Perhaps, to be precise, I should advance the time displayed on the screen by a second or two!
But another comparison shows up when I set my watch (gains 8-10 seconds per month!) using the time signals from the US Naval Observatory-USNO, which I think is located in your part of the world- somewhere in the DC area?
I don't think anyone knows where the Observatory is anymore, Dick Cheney had it removed from Google Earth...(sorry I just had too)....
  • Moderator
I don't think anyone knows where the Observatory is anymore, Dick Cheney had it removed from Google Earth...
Well, at least it wasn't Planet Earth! :(

Fr. Bill    

AOPA Member: 07141481 AARP Member: 3209010556


     Avsim Board of Directors | Avsim Forums Moderator
I don't think anyone knows where the Observatory is anymore, Dick Cheney had it removed from Google Earth...(sorry I just had too)....
The Naval Observatory clock is alive, well, and kicking in Washington D.C. As for the question regarding delay from the atomic clock to your PC, yes, there is a delay. There would be a delay if you were connected to the clock via a LAN and sitting 10 feet away. However, unless you are running a time dependent system that needs accuracy measured in 1 nanosecond increments, then the delay is negligable.

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