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0
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2answers
510 views

TCP Throughput versus Packet Loss

How does the packet loss rate affect the TCP throughput rate: throughput rate reduce exponentially with respect to loss increase or throughput rate reduces by the same amount as loss increase?
3
votes
1answer
316 views

How to estimate download/enumeration times in large USB trees?

I'm doing a system design in which many flash-memory devices are connected into a USB tree of hubs, and I need to estimate how long it will take for them all to do a download ... which is complicated ...
2
votes
1answer
108 views

Ethernet switch throughput

I'm not a network/hardware guy so please bear with me if I'm using the wrong vernacular in my question: My office recently upgraded our Internet from 50/10 Mbps to 150/20 Mbps. For this upgrade, we ...
1
vote
1answer
1k views

How do I optimize Windows disk I/O for high-latency throughput?

Let's say there are 25 processes each which want to read and index a large (say, 1GB) file. The hard drive may be capable of ~100MB/sec throughput, but the head movement and rotational latency ...
0
votes
1answer
29 views

Poor throughput to the internet but just fine locally.

I have a router (Linksys E4200) connected to the internet (via external modem) and connected to a Powerline (AV500) device. I have 2 computers connected as follows: Modem <-- 1GbE --> Router &...
0
votes
1answer
700 views

Calculate the throughput of a processor in bits per second

Let's say for example you have an 64-bit 3.2 GHz processor with 8 MB of Cache. What is the theoretical and practical throughput as it would write to RAM (assuming there are no RAM bottlenecks)? Thank ...
0
votes
1answer
125 views

Throughput decreases after MTU 5000

I am trying to test throughput between two computers directly connected through 1 GbE and testing with iperf. I am getting a throughput around 980Mbps when MTU is between 5000 and 5050, however it ...
0
votes
1answer
202 views

RDP ceases due to encryption error, but only over wifi

So I'm trying to figure out some problems I'm having with RDP. It fails repeatedly over wifi due with the message "Because of an error in data encryption, this session will end" It does not do ...
1
vote
0answers
47 views

qemu: emulated nic is too fast

On archlinux, I started a VM with qemu emulating a rtl8139 network card by giving it the following parameters: -device rtl8139,id=nic0,netdev=tap0 -netdev tap,id=tap0,ifname=tap0 After booting the ...
1
vote
0answers
22 views

How can throughput be greater than the bandwidth? Is this a valid reason?

I asked this question on networking engineers but it was closed as off topic since it wasn't for professional application. Hope it fits better here. I'm studdying for the CISSP secuirty exam and a ...
1
vote
0answers
11 views

Measuring Throughput of Remote Mounts

Is there a way to measure the throughput of say a remotely mounted sshfs share or samba share over openvpn in a linux environment?
1
vote
0answers
909 views

Win7 -> Server 2008: Mapped drives take a long time to open

First, the configuration: I have a desktop and a laptop running Windows 7. I have a server running Windows Server 2008 Enterprise Edition. The workstation and server connect to the same Gigabit ...
0
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0answers
99 views

Will extending a Wi-Fi network make it slower?

In this article about extending wireless networks from Apple's knowledge base, they advise against adding more access points to a wireless network than strictly needed: Before you add additional ...
0
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0answers
688 views

2 port 10Gbe NIC Performance half of expected

I'm having trouble getting my expected throughput of a Intel dual port 82599EB 10-Gigabit. I've tried many things and want to know if there's anything I could try that I've missed. My hardware ...