Thread: General Loss of Broadband - TS22
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Old 17-04-2012, 17:23   #11
mike24
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Talking Re: Loss of Broadband - TS22

Quote:
Originally Posted by philipp View Post
Does anything come up if you log into my.virginmedia.com service status page? I find it strange it wouldn't if everyone is down in that ubr.
Unspecified Bit Rate (UBR)
The UBR service category also is similar to nrt-VBR, because it is used for connections that transport variable bit rate traffic for which there is no reliance on time synchronization between the traffic source and destination. However, unlike ABR, there are no flow-control mechanisms to dynamically adjust the amount of bandwidth available to the user. UBR generally is used for applications that are very tolerant of delay and cell loss. UBR has enjoyed success in the Internet LAN and WAN environments for store-and-forward traffic, such as file-transfers and e-mail. Similar to the way in which upper-layer protocols react to ABR’s traffic-control mechanisms, TCP/IP and other LAN-based traffic protocols can modify their transmission behaviour in response to latency or cell loss in the ATM network.
This means it's down to VM to fix not the user
michael
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