VIVOTEK

QoS (Quality of Service)

Advanced Mode

Quality of Service refers to a resource reservation control mechanism, which guarantees a certain quality to different services on the network� Quality of service guarantees are important if the network capacity

is insufficient, especially for real-time streaming multimedia applications. Quality can be defined as, for

instance, a maintained level of bit rate, low latency, no packet dropping, etc�

The following are the main benefits of a QoS-aware network:

The ability to prioritize traffic and guarantee a certain level of performance to the data flow.

The ability to control the amount of bandwidth each application may use, and thus provide higher reliability and stability on the network�

Requirements for QoS

To utilize QoS in a network environment, the following requirements must be met:

All network switches and routers in the network must include support for QoS�

The network video devices used in the network must be QoS-enabled�

QoS models

CoS (the VLAN 802�1p model)

IEEE802�1p defines a QoS model at OSI Layer 2 (Data Link Layer), which is called CoS, Class of Service� It adds a 3-bit value to the VLAN MAC header, which indicates the frame priority level from 0 (lowest) to 7 (highest)� The priority is set up on the network switches, which then use different queuing disciplines to forward the packets�

Below is the setting column for CoS� Enter the VLAN ID of your switch (0~4095) and choose the priority for each application (0~7)�

If you assign Video the highest level, the switch will handle video packets first.

NOTE

The VLAN Switch (802.1p) is required. The web browsing may fail if the CoS setting is incorrect.

Class of Service technologies do not guarantee a level of service in terms of bandwidth and delivery time; they offer a "best-effort." Users can think of CoS as "coarsely-grained" traffic control and QoS as "finely-grained" traffic control.

Though CoS is simple to manage, it lacks scalability and does not offer end-to-end guarantees since it is based on L2 protocol�

42 - User's Manual

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Vivotek IP8151 manual CoS the Vlan 8021p model

IP8151 specifications

Vivotek IP8151 is a high-performance network camera designed for various surveillance applications, combining advanced features and cutting-edge technologies to deliver exceptional image quality and reliability. Known for its sleek design and robust performance, the IP8151 caters to both indoor and outdoor environments, making it an ideal choice for businesses, homes, and public spaces.

One of the standout features of the Vivotek IP8151 is its 1-megapixel resolution, which ensures clear and detailed imagery. This allows users to capture essential details in surveillance footage, enhancing overall situational awareness. With a progressive scan CMOS sensor, the camera provides real-time streaming without any flickering, crucial for monitoring dynamic environments.

The IP8151 incorporates WDR (Wide Dynamic Range) technology, enabling the camera to perform exceptionally well in scenes with contrasting lighting conditions. This feature helps to balance bright and dark areas within a frame, ensuring that important details are visible, regardless of varying light levels. This is particularly useful for locations like entryways and lobbies, where shadows and bright lights can create challenging conditions.

Another significant characteristic of the Vivotek IP8151 is its built-in IR (Infrared) LEDs, which facilitate night vision capabilities. With a range of up to 15 meters, the camera can capture clear images in total darkness, providing 24/7 surveillance capabilities. This makes it an excellent option for continuously monitoring critical areas without the need for additional lighting solutions.

The IP8151 also boasts real-time video compression technologies such as H.264 and MJPEG. These compression options reduce bandwidth usage while maintaining high-quality footage, making it easier to manage large volumes of video data. The camera is equipped with various network protocols, ensuring seamless integration into existing security systems and enabling remote viewing and management through Vivotek's user-friendly software.

Additionally, the Vivotek IP8151 supports PoE (Power over Ethernet), simplifying installation by allowing the camera to receive power and network connectivity through a single cable. This feature reduces cable clutter and facilitates flexible installation options in any security setup.

Overall, Vivotek's IP8151 network camera combines high-resolution imaging, advanced technologies, and versatile features to deliver a reliable surveillance solution. With its robust performance in a variety of lighting scenarios, integrated night vision, and flexible installation options, the IP8151 is a strong contender in today's competitive security camera market, providing peace of mind for users looking to enhance their surveillance capabilities.