Questions tagged [jitter]
The jitter tag has no usage guidance.
16 questions
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Ping performance improves during iPerf3 network congestion test
I am beginning to learn about networking and testing network performance (specifically on containers). I am trying to learn how to perform good network tests to see networking capabilities of docker ...
0
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1
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81
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Which values for Netem to emulate WAN?
I am developing a distributed application, which I'm currently running on a cluster of Ubuntu VMs over LAN. I'd like to evaluate the performance of my application over WAN. So I decided to use Netem ...
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45
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Skype Laggs on Wifi
The Problem is that when i do a skype call on wifi, it laggs and the voice is ticked.
I have got a 100/100Mbit Internet connection, with a Sophos sg-135u Firewall/Router and 5 Sophos AP 55 Access ...
0
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1
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4k
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unpredictable high ntp jitter from single local GPS clock source
Question
How can I fix transient, high NTP jitter?
Background information
I have an NTP server on my private network. My servers synchronize from this clock, and usually all is well. An example set ...
0
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1
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2k
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Asterisk PJSIP Jitter Buffer
I'm currently using FreePBX which has GUI settings to set Jitter Buffer for SIP, but not PJSIP.
We have around 90 remote extensions using PJSIP and i would like to enable the Jitter Buffer for all as ...
1
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1
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1k
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Asterisk JITTERBUFFER function details
Asterisk v15 documentation states that JITTERBUFFER function is used to "add a Jitterbuffer to the Read side of the channel". Take this dialplan example:
[from-pstn]
exten => 1234,1,Set(...
6
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2
answers
2k
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Causes of RTP jitter at the server
Investigating some call quality issues (0.5 – 1 second dead spots in calls) I took a packet capture of a phone call between two extensions on the same PBX. Since I was capturing from the PBX, I was ...
1
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0
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183
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asp.net jit multiple core slow
Using IIS I'm Running Asp.net 4.5 and trying to find a way to improve jit times on a machine multiple(8) cores. The test I use is timing 100 different pages. The machine i'm testing all this on is 4 ...
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1
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283
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How does buffering work in a chain of Asterisk servers?
I have two Asterisk servers in a chain like this:
SIP client (G.729) <-SIP-> Asterisk 1 (converting G.729 to G.711) <-IAX2-> Asterisk 2 -> terminated to analog line.
When no buffering was ...
2
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0
answers
114
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Network sensor for a TCP connection for collecting statistics each second [closed]
I need a Network Sensor capable to gather basic end-to-end statistics (packet loss, jitter and network delay/RTT) of several TCP connections directed to the very same destination (ip-addr:port) on ...
0
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1
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270
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IP SLA: tcpConnect frequency and jitter codec
I am trying to generate different kinds of traffic with IP SLA on a c7200 router, I am using the simulation software GNS, so if required I can change my router.
My aim is to generate congestion to ...
1
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2
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2k
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Can I use pfsense or m0n0wall to simulate packet loss and jitter?
Can I use pfsense or m0n0wall to simulate WAN-like packet loss, jitter, duplication, and reordering?
I see questions looking for dedicated solutions like:
What tool(s) can I use to simulate a WAN for ...
1
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0
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1k
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iperf - first packet loss and acceptable jitter
I'm using iperf to test the bandwidth on my network. I have a few questions:
1. I'm running this command on the client: "iperft -c -u -b 400m" and it successfully runs. I'm running the command ...
4
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4
answers
27k
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What are good and bad jitter times for a LAN
Ive just ran jperf (frontend to iperf) on our network between 2 workstations, its recorded jitter between 0.033ms and 0.048ms. Is this good or bad? Are there more variables that i would need to ...
0
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1
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729
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What is the pertinence of Packet Delay Variation (Jitter) for network administration?
There are several means and ways to calculate the Packet Delay Variation (PDV or jitter), there's a RFC, and several definitions in various tools around these notions. Also, several delays can be ...
3
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3
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4k
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What's the best way to track Jitter and Packetloss
I need to track Jitter and Packet Loss over a MPLS line. What's the most accurate way to capture this information without interfering with the data being sent back and forth?
Is SmokePing the best ...