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Network > QoS (Quality of Service)

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:

► A VLAN Switch (802.1p) is required. Web browsing may fail if the CoS setting is incorrect.

►The 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.

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

User's Manual - 79

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Vivotek FD8365EHV user manual Network QoS Quality of Service, Requirements for QoS
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FD8365EHV specifications

The Vivotek FD8365EHV is a state-of-the-art outdoor surveillance camera designed for a variety of security applications. With its advanced features and technologies, this camera stands out in the vast market of surveillance equipment, making it an ideal choice for businesses and residential properties alike.

One of the main features of the FD8365EHV is its high-definition 2MP image sensor that delivers crystal-clear video resolution of 1920x1080 pixels. This level of clarity is essential for identifying faces, license plates, and other critical details during monitoring. Additionally, the camera offers a frame rate of up to 30 frames per second, ensuring that even fast-moving objects are captured smoothly.

The FD8365EHV is equipped with a robust IR-cut filter and infrared (IR) illumination, enabling optimal performance in low-light conditions. With a nighttime range of up to 30 meters, this camera can provide reliable surveillance around the clock, maintaining its effectiveness even on the darkest nights. It also features WDR Pro technology, which enhances video quality in challenging lighting environments, ensuring that both bright and dark areas are well represented.

Another significant aspect of the FD8365EHV is its durable housing. Rated IP66 for dust and water resistance, this camera is built to withstand harsh weather conditions, making it suitable for outdoor installations. Additionally, it is constructed using weatherproof materials, which further contributes to its resilience and longevity.

Vivotek has incorporated H.265 video compression technology into the FD8365EHV, which allows for reduced bandwidth and storage requirements without sacrificing video quality. This efficiency is particularly beneficial for businesses looking to optimize their surveillance systems while maintaining high standards of video quality.

Furthermore, the FD8365EHV supports Power over Ethernet (PoE), simplifying the installation process and reducing the need for multiple cables. This feature enables the camera to be powered directly through the Ethernet cable, thereby eliminating the need for additional power sources.

In terms of integration, the Vivotek FD8365EHV is compatible with various video management systems and third-party applications, allowing for effortless incorporation into existing security setups. Its ONVIF compliance guarantees interoperability with a wide range of devices.

In conclusion, the Vivotek FD8365EHV is a versatile and high-performance surveillance camera that combines advanced imaging technologies, robust durability, and efficient data management. Its comprehensive features make it an excellent choice for any security-conscious environment.
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