I have a doubt while reading about some features of MPLS equipment! In many of them it appears that it allows a dual-port configuration, which rises the availability offered by the provider. My questions are:
They are talking about 1+1 redundancy. If you order single port (one physical link) then have SLA of 99.98% and if you order 1+1 then they have higher figure (99,998% of availability) of circuit. They are talking about 1+1 physical port so that one port is routed to some fiber ring and other port will be routed to alternate path,,,that's why you will have higher availability.
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The use of the endoscope in the cerebellopontine angle (CPA) has been suggested to minimize cerebellar retraction and reduce the size of the craniotomy. 3D endoscopy combines the benefits of conventional 2D endoscopy with the added benefit of stereoscopic perception, though improved visualization alone does not guarantee improved surgical maneuverability and a better surgical outcome. We propose a new combined dual-port endoscope-assisted pre- and retrosigmoid approach to improve visualization and accessibility of the CPA with shortened distances and increased surgical maneuverability of neurovascular structures. We analyze surgical exposure and maneuverability of this approach and compare it with the surgical microscopic and a conventional single-port endoscope-assisted retrosigmoid approach. This combined pre- and retrosigmoid approach was performed on eight cadaveric heads (16 sides). The endoscopic probe was inserted through the presigmoid surgical port while surgical manipulation was performed through the retrosigmoid corridor. The CPA was divided into three compartments, from medial to lateral, the anteromedial, and the middle and the posterolateral. The microscope provided good visualization of the posterolateral and middle compartments, whereas poor visualization was offered of the anteromedial compartment. The dual-port endoscopic approach dramatically improved visualization and surgical maneuverability of the anteromedial compartments, clivus, and related neurovascular structures. Additionally, the 3D endoscope allowed for a better understanding of the surgical anatomy of the CPA and improved visualization of structures located in the anteromedial compartments towards the midline. This approach allowed for full realization of the benefits of endoscopic-assisted technique by improving surgical access and maneuverability.
NorComp Dual-Port D-Sub Connectors are designed for applications requiring multiple connector ports with limited PCB space. This condensed footprint solution is available in 4 industry sizes, 3 connector spacing options & 6 different hardware configurations for the most comprehensive stacked d-sub offering on the market.
NorComp has been manufacturing dual-port d-sub connectors for over 3 decades and the Series listed above reflect the most common industry standard requirements. However, if there is a combination of male / female gender relationship or pin counts not available in our standard dual-port d-sub product offering, then please contact us for more information to learn about our successfully completed connector projects within this category spanning multiple industries.
A simple dual-port RAM may allow only read access through one of the ports and write access through the other, in which case the same memory location cannot be accessed simultaneously through the ports since a write operation modifies the data and therefore needs to be synchronized with a read or another write operation.
A dual-port RAM may be built from single-port memory cells to reduce cost or circuit complexity, and the performance penalty associated with it, which may still allow simultaneous read and write accesses to different memory locations depending on the partitioning of the memory array and having duplicate decoder paths to the partitions.
A true dual-port memory has two independent ports, which means that the memory array is built from dual-port memory-cells, and the address, data, and control lines of the two ports are connected to dedicated IO controllers so that the same memory location can be read through the ports simultaneously. A write operation through one of the ports still needs to be synchronized with a read or write operation to the same memory location through the other port.
Video RAM (VRAM) is a common form of dual-ported dynamic RAM mostly used for video memory, allowing the central processing unit (CPU) to draw the image at the same time the video hardware is reading it out to the screen. dd60e6d636