The go-back-n protocol works well if errors are less, but if the line is poor it wastes a lot of bandwidth on retransmitted frames. An alternative strategy, the selective repeat protocol, is to allow the receiver to accept and buffer the frames following a damaged or lost one. Selective Repeat attempts to retransmit only those packets that are actually lost due to errors :. SRP works better when the link is very unreliable. Because in this case, retransmission tends to happen more frequently, selectively retransmitting frames is more efficient than retransmitting all of them.
SRP also requires full duplex link. Figure — the sender only retransmits frames, for which a NAK is received. Slideshare Youtube MIT article. One solution is a WiFi repeater.
You can buy one, of course. There is also a video about the project, below. There is a web-based configuration for common setup, and a console on port or the serial port to do advanced things like port mapping or static DHCP addressing.
There is a simple firewall and — of particular interest — an MQTT client built-in. Another neat feature is the optional automesh mode that lets several of the repeaters self-organize. This is an unusual solution, to say the least. The MAC addresses all start with to avoid other devices, but it is odd for a device to dynamically change its MAC address. As well, your throughput would most likely increase if it can be done without NAT.
Rewriting packets with NAT is an awful lot of work for that tiny chip. For a quick well, sort of quick… example of this, take the oldest router you have collecting dust, connect two machines to it to see how fast the LAN ports are, then move one of the machines to the WWAN port aka connected via NAT and see how slow that is. Espressive went out of their way to block that, only some third party hacks let you do that.
A good question! They locked down some of it, but not all. Thanks in advance. Improve this question. Should the OP check to see if the device is the primary audio device and if it is, set the other sound card as the primary? My comment was based on experience with a different M-Audio card and Cubase, whereby changes in card parameters affecting latency were not allowed when Cubase was in use unless Cubase's "release in background" option was set.
However, for my setup I was able to change the card settings freely when Cubase wasn't running, even though it was the system default. Is it possible that the FTP's buffer doesn't go below ? I remember my M-Box-1 couldn't go below , which was why I sold it. Add a comment.
Active Oldest Votes. Improve this answer. This is right. Uninstall all drivers. All of them. March The ino file is in a subdirectory called repetier. If i remember right you need sanguino board definition for melui board installed in arduino.
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