Description
Quality of Service (QoS)
Quality of Service (QoS) is a set of technologies used to prioritize network traffic and manage bandwidth allocation to ensure that critical network applications receive the necessary resources for optimal performance.
The main goals of QoS are to:
- Prioritize Traffic: QoS allows network administrators to assign different priorities to different types of network traffic, such as voice, video, and data, to ensure that critical applications receive the necessary bandwidth and resources.
- Prevent Congestion: QoS can help prevent network congestion by allocating bandwidth to high-priority traffic and throttling low-priority traffic during times of high network utilization.
- Improve Network Performance: By prioritizing network traffic and managing bandwidth allocation, QoS can help improve the performance of critical network applications and ensure that users have a consistent and reliable experience.
Some key components of QoS include:
- Traffic Classifications: Network administrators can classify different types of network traffic, such as voice, video, and data, based on specific criteria, such as IP address, port number, or application type.
- Traffic Shaping: Traffic shaping is the process of controlling the rate of network traffic to ensure that bandwidth is allocated appropriately. This can include rate limiting, queuing, and buffering to manage network traffic during times of high utilization.
- Quality of Service Marking: Quality of Service (QoS) marking is the process of marking network packets with a specific QoS value, indicating their priority level. This information can be used by network devices, such as routers and switches, to apply QoS policies and prioritize network traffic.
Rack-Mountable design
Rack-mountable design refers to the physical design of networking equipment, such as switches and routers, that allows them to be mounted in a standard 19-inch equipment rack.
A rack is a frame or cabinet designed to hold multiple pieces of equipment in a data center or other network environment. The rack-mountable design of networking equipment allows multiple devices to be stacked together in a single rack, maximizing the use of limited space and making it easier to manage and organize network infrastructure.
Rack-mountable switches and routers are designed to fit into the standard 19-inch rack, which is a widely adopted industry standard for equipment racks. The rack-mountable design allows for efficient use of space, as well as easy installation, maintenance, and upgrade of network equipment.
In addition, rack-mountable devices typically come with standard hardware, such as mounting ears, for secure installation into the rack. This helps to ensure that the devices are properly secured and protected from physical damage or tampering.
PoE+ Power Management
PoE+ (Power over Ethernet Plus) power management is a feature that allows the distribution and control of power to connected devices over an Ethernet cable. It is designed to support higher power requirements for devices that need more power than traditional PoE devices.
In PoE+ power management, the switch acts as a power source and supplies power to connected devices, such as IP cameras, wireless access points, and VoIP phones. The switch also monitors the power consumption of connected devices and manages the power distribution accordingly.
Some key features of PoE+ power management include:
- Power Budget Management: PoE+ switches have a power budget that limits the total amount of power that can be supplied to all connected devices. The switch allocates power to devices based on their power requirements, ensuring that no single device consumes too much power.
- Power Prioritization: PoE+ switches allow administrators to prioritize power allocation to devices based on their importance. For example, critical devices such as security cameras can be given higher priority over less critical devices such as wireless access points.
- Power Management and Monitoring: PoE+ switches provide real-time power consumption information and alert administrators if a device is consuming too much power. This helps to prevent network downtime and reduces the risk of power-related issues.
- Energy Efficiency: PoE+ switches are designed to be energy-efficient and provide power only when it is required. This helps to reduce energy consumption and lower operating costs.
General Information about the HP JH328-61001
- Manufacturer: HP
- Part Number or SKU# JH328-61001
- Product Type : Networking
- Product Name : 5 Ports Switch
Technical Specifications for HP 5 Ports Switch
- Enclosure Type : Desktop, Rack-Mountable 1u
- Subtype : Gigabit Ethernet
- Ports : 5 X 10/100/1000
- Power Over Ethernet (PoE) : PoE+
- Performance : Switching Capacity : 10 GBPS ¦ Throughput (64-Byte Packet Size) : 7.4 MPPS ¦ Latency (100 MBPS) : 3 µs ¦ Latency (1000base-T) : 2.6 µs
- Mac Address Table Size : 2048 Entries
- Jumbo Frame Support : 9216 Bytes
- Features : Flow Control, Full Duplex Capability, Auto-Negotiation, Auto-Uplink (Auto MDI/MDI-X), Half Duplex Mode, Quality Of Service (QOS), FANLESS, Diffserv Code Point (Dscp) Support
- Compliant Standards : IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3at, IEEE 802.3az
- Power : Ac 120/230 V ( 50/60 Hz ) 300 MA
- Flash Memory : 1 MB
Expansion / Connectivity
- Interfaces : 5 X 1000base-T – Rj-45
- Power Device : Internal Power Supply
- Voltage Required : Ac 120/230 V ( 50/60 Hz )
- Electric Current Required : 300 Ma
- Power Consumption Operational : 40 Watt
