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Network > 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:

► 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 - 71

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Vivotek IP8364-C user manual Network QoS Quality of Service, Requirements for QoS
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IP8364-C specifications

The Vivotek IP8364-C is a high-performance network camera designed for versatile surveillance applications. Renowned for its advanced technology and robust features, it meets the needs of various security environments, including commercial and residential spaces.

One of the standout features of the IP8364-C is its full HD 1080p resolution, providing clear and detailed images at a maximum frame rate of 30 frames per second. This high resolution ensures that users can capture critical details in monitored areas. The camera is equipped with a 2.8mm to 12mm varifocal lens, enabling users to adjust the field of view according to specific surveillance requirements. This flexibility is essential for covering wide areas or focusing on particular spots.

The camera utilizes Vivotek's Smart Stream II technology, which optimizes bandwidth efficiency by compressing video streams without compromising image quality. This feature is particularly useful for installations where bandwidth is a concern, allowing for seamless video transmission even in constrained networks.

Another notable characteristic includes the camera's advanced WDR (Wide Dynamic Range) technology. With WDR Pro, the IP8364-C effectively balances light levels, ensuring visibility in environments with varying lighting conditions. This is crucial for locations exposed to bright sunlight or significant shadows.

In addition, the IP8364-C comes with built-in IR illuminators that enable night vision capabilities, allowing it to capture clear images in total darkness. This makes it ideal for 24/7 surveillance, ensuring that users have continuous visibility regardless of the time of day.

Equipped with a weatherproof housing rated at IP66, the Vivotek IP8364-C is designed to withstand harsh environmental conditions. Its rugged construction ensures reliability and longevity in outdoor settings, protecting it from dust, rain, and extreme temperatures.

Furthermore, the camera supports Power over Ethernet (PoE), simplifying installation by requiring only a single cable for both power and data transmission. This feature not only reduces installation costs and efforts but also enhances flexibility in camera placement.

Overall, the Vivotek IP8364-C is a feature-rich camera that combines high resolution, advanced technologies, and durable construction. It caters to various surveillance needs, making it a reliable solution for both commercial and residential users seeking enhanced security and peace of mind.
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