uh oh

S

slimothy

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something you probably want to know before the cap starts, while your connection is active you know doing whatever streaming audio/video, downloading, chatting, surfing you will upload on average 10KB of data every 4 seconds. So lets say you keep your connection active for 8 hours in a day (note not connected, just active so actually connecting to servers and sending/recieving data), thats about 70MB on top of all the data you downloaded (your upload overhead).

now if you ration your 3GB to last a whole month and that month has 31 days in it, that means you should keep your daily limit to 99MB (well I rounded it off), so if you wanted to stay connected all day and be active for part of that day (4, 6, 8 hours depending on how much you download) you can only really download 29MB a day if you dont want to eat up your 3GB quota before the month is up. Pretty scary huh, but whats scarier is the download overhead (the data you recieve to stay connected to services) may be just as large :eek:
 
Yeah, streaming audio is a big killer of bandwidth - one of the reasons that 3gig is simply far too little for the cost.

2 hours at a bitrate of 128 = approx 100mb of data

Of course, you can use lower sample rates - but that shouldn't really be the point, considering the connection should easily be able to handle that sample rate.

Managing 3gig is horrible.
 
yeah but i'm not talking about the audio/video data you downloaded, or text your downloaded in the case of chatting or pages you saw, i'm talking about the data just needed to stay connected to those services, 70MB poof gone just liek that. The messed up thing is iBurst users have been spoiled with 1mbit and uncapped over the period of months so thier web habits are set and every iBurst user needs to pretend they're on 56k just to make it through the month now. I really do think the faster the connection the higher the GB limit should be, i mean it makes sense right, if it takes a 384ADSL user a day and a bit to burn 3gb ( i dont know how long it takes for real) then I dont want 3GB i want the equivalent for 1mbit so 12GB i could do in a day and a half so 12GB would seem fine.
 
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Theoretically, it's possible for a 384ADSL user to get 3.5gig in one day - that's at 40kbps

I'm not sure how much "send" data is required to hook into an audio or video stream - it's a single request first when you connect and every time it disconnects, it's not a huge amount of data.

If you look at my usage on sunday :-

Down: 243.7192 MB Up: 7.4179 MB

I had some buddies round for beers in the afternoon and we listened to Radio Paradise at a bitrate of 192 for around 3 hours. I sent a few emails and surfed a bit.

So, don't stress too much about your upload amount.

My usage is fairly controlled :-

Day Down Up

22 14.0221 MB 2.3346 MB
23 28.9341 MB 1.7472 MB
24 269.5587 MB 6.185 MB
25 30.0296 MB 4.2999 MB
26 39.975 MB 5.3952 MB
27 243.7192 MB 7.4179 MB
28 29.044 MB 2.3009 MB


Monthly Graph for March 2005
Downloaded : 2.7768 GB for the month
Uploaded : 157.7877 MB for the month
Total bandwidth used : 2.9308 GB for the month

I'm currently on 2.9gig for the month, with 2days to go, so I'm going to download like crazy from tonight.

I'm not sure how iBurst will handle the traffic measurement - hopefully you guys will at least be able to pull down a few gig on the last day of your cap ?
 
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I do a few meg a day myself, if it's just surfing and chatting with around 4 hours of streaming, i dont go over 100 meg (depends if im surfing porn)

but on 1 day, if there's a service pack release for whatever, I can do upwards of 2 gig. I'm gonna hit my cap in a day or so just to see how the capped feeling is.

slimothy said:
The messed up thing is iBurst users have been spoiled with 1mbit and uncapped over the period of months so thier web habits are set
Click to expand...

Why do you think iburst kept the package uncapped for the entire prelaunch phase? It's like giving (er, i mean taking) your first free shot of cocaine... if you want more you have to pay for it... brilliant sales technique
 
slimothy said:
yeah but i'm not talking about the audio/video data you downloaded, or text your downloaded in the case of chatting or pages you saw, i'm talking about the data just needed to stay connected to those services, 70MB poof gone just liek that.
Click to expand...


Add to that the daily bombardment of portscans and opportunistic net worms and that 10KB figure is surely to be revised upwards!! :eek:
 
so much for always on, if i wanna survive longer than a day or two i might have to *gulp* disconnect
 
noone said:
...It's like giving (er, i mean taking) your first free shot of cocaine... if you want more you have to pay for it... brilliant sales technique
Click to expand...
LOL :D - now you know why I've been moaning so much - withdrawal symptoms...
qDot said:
Add to that the daily bombardment of portscans and opportunistic net worms and that 10KB figure is surely to be revised upwards!! :eek:
Click to expand...
Speaking of which, I happened to check my SWE2 Snort (IDS) logs just now, and I'm getting seriously weird stuff, maybe have a look & see if you're getting anything similar:
Date: 03/29 11:05:37 Name: (snort_decoder) WARNING: Not IPv4 datagram!
Priority: n/a Type: n/a
IP info: 193.64.205.202:n/a -> 196.46.1.114:n/a
References: none found
Click to expand...
UDP packet? - portless & certainly not my IP address, so this is being broadcast (repeatedly - there are loads more entries before that). Methinks the source IP might be forged:
  • 193.64.205.202 (retail02.sp.f-secure.com)
  • 196.46.1.114 (cust114-1.netcabo.co.mz)
    TVCABO cable network Company
Date: 03/29 11:02:58 Name: (snort_decoder): Short UDP packet, length field > payload length
Priority: n/a Type: n/a
IP info: 212.15.82.24:0 -> 196.46.6x.y:0
References: none found
Click to expand...
Now that's definitely an attempted attack (nothing unusual though):
  • 212.15.82.24 (Reverse lookup failed)
 
exactly WHY and for WHAT reason does it have to have a constant 10kb upload rate every 4 secs?
 
Razer0 said:
exactly WHY and for WHAT reason does it have to have a constant 10kb upload rate every 4 secs?
Click to expand...

Either that or all the porn mail u receive :)
 
I'm not sure how much "send" data is required to hook into an audio or video stream - it's a single request first when you connect and every time it disconnects, it's not a huge amount of data.
Click to expand...

don't forget, TCP requires packets recieved to be acknowledged (ACK), which eats up, AFAIK approximately, a 20th of total download speed a second. This is the same reason your torrent download speeds can be choked by uploading to peers too much data for your connection to correctly acknowledge recieved packets.
 
no dave, actually theres a thing called a tcp handshake, it sends syn, ack syn and ack packets, that you do when you connect to a server, after that the data used to keep you connected are proper packets, that is packets containing real data not just ack/syn/ack syn packets, the data to keep you connected can dontain anything depending on the protocol, for a basic example, when you are on IRC you need to constantly send a ping to the server when it pings you, if you dont send a ping by the time it times out the server assumes you're not around and closes the connection. Now thats a fairly small amount of data which is why irc isn't a killer but other services can have a way larger overhead more of the time.

no, the reason you eat up 10KB every 4 seconds it because you need to constantly send/recieve packets just to stay connected, that is called a connection overhead, the 10KB every 4 seconds thing was assuming you are connected to 4 services, which is possible, stuff liek IM is less intensive but lets face it we dont just sit on Im all day do we. I'm just saying when they say you get 3Gb a month thats really nothing if you are connected 24/7 because the overhead alone, will eat your precious MB's.

as for streaming, it uses UDP 99% of the time so you dont have to worry about dropped packets however you dont just request a stream and it sends it forever, the server has to know you're still there so every few seconds you send data to the server, soem streams will send the stream VIA udp but you have to stay connected to a TCP port and if you're not connected to the servers tcp port it assumes you're not there anymore and stops sending the stream
 
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