![]() Even when the printers are close-by, people can accidentally leave sensitive documents on the printer. When users print documents that contain sensitive information, it is important that no one else picks up the document from the printer. For more information, seeĮnd-User Web Based Release Interface Configuration To allow users to release jobs via the User web interface Release Station, also enable Release Any mode for the web tools interface. For more information, seeĮnabling hold/release support on a printer In PaperCut NG/MF, enable the printer(s) for Release Station use. Run the Standard Release Station in the default mode (Release Any mode). Set up a low-end workstation near the printer(s). To implement a Release Station to save paper: If the document is not printed until a user walks to the printer to collect it, then this source of waste can be mostly eliminated. But the majority of these documents end up in the bin. Some of these uncollected documents are caused by accidental printing, and others were just forgotten. Override/change account selection using Admin web interface Release StationĬancel jobs without accounts using Admin web interface Release StationĪ large source of wasted paper in organizations are documents that were never collected from the printer. They provide a good starting point for your own implementations. S2CID 1649478.This section describes various usage scenarios discussing why and how to use a hold/release queue. ![]() Seamless Interconnection for Universal Services. "Distributed cell scheduling algorithms for virtual-output-queued switches". ^ Schoenen, Rainer Hying, Roman (1999)."Prioritized arbitration for input-queued switches with 100% throughput". ^ Schoenen, Rainer Post, Guido Sander, Gerald (1999).^ McKeown, Nick Izzard, Martin Mekkittikul, Adisak Ellersick, Bill Horowitz, Mark (1997).Nineteenth Annual Joint Conference of the IEEE Computer and Communications Societies (Cat. "Scheduling algorithms for input-queued switches: Randomized techniques and experimental evaluation". VOQ scheduling is often referred to as " arbitration" (resolving the concurrent access wishes), whereas the ordering of packets ("packet scheduling") is an additional task following the VOQ arbitration. Quality of service and priority are extensions found in literature of the same time. ![]() For example, Nick McKeown and a group at Stanford University published a design in 1997. There are many algorithms for design and implementation of fast VOQ. The VOQ mechanism provides throughput at a much higher rate than the crossbar switches without it. This scheduling algorithm should be able to provide a high speed mapping of packets from inputs to outputs on a cycle-to-cycle basis. It has been shown that VOQ can achieve 100% throughput performance with an effective scheduling algorithm. In a traditional setup, the blocked packet for the congested egress port would have blocked the whole physical buffer, resulting in head-of-line blocking. Other packets in the same physical buffer destined to different (non-congested) output ports are in separate virtual queues and can therefore still be processed. Therefore congestion on an egress port will block only the virtual queue for this particular egress port. In VOQ, the physical buffer of each input port maintains a separate virtual queue for each output port. It addresses a common problem known as head-of-line blocking. ![]() Virtual output queueing (VOQ) is a technique used in certain network switch architectures where, rather than keeping all traffic in a single queue, separate queues are maintained for each possible output location. Network technique addressing head-of-line blocking
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