5G industrial router is a kind of wireless data transmission function that uses public wireless network to provide users with wireless data. How to choose a good 5G industrial router is not so simple, so what performance should a good 5G industrial router have?

1. Throughput
Throughput is the packet forwarding capability of an industrial router. Throughput is related to the number of router ports, port rate, packet length, packet type, route calculation mode (distributed or centralized), and test method, and generally refers to the processor’s ability to process packets in general. High-speed routers have a packet forwarding capacity of at least 20Mpps or more. Throughput consists of two main aspects:

1.1 Whole machine throughput
Throughput refers to the packet forwarding capacity of the entire device and is an important indicator of device performance. 5G industrial routers work on the basis of IP packet headers or MPLS marking, so the performance indicator refers to the number of packets forwarded per second. The throughput of the entire machine is usually less than the sum of the throughput of all ports of the core router.

1.2 Port Throughput
Port throughput is the port packet forwarding capacity, which is the packet forwarding capacity of the core router on a particular port. Two identical rate test interfaces are usually used. The general test interface may be related to the interface location and relationship, for example, the throughput tested between ports on the same plug-in card may be different from the throughput value between ports on different plug-in cards.

2. Router Table Capabilities
Routers typically rely on the router tables they build and maintain to determine packet forwarding. 5G Industrial router table capacity is the limit of the number of router table entries held within the router table. Since core routers implementing the BGP protocol on the Internet typically have hundreds of thousands of router table entries, this item is also an important indication of the router’s capability. In general, a high-speed core router should be able to support at least 250,000 routes, providing at least 2 paths per destination on average, and the system must support at least 25 BGP peers as well as at least 50 IGP neighbors.

3. Backplane capability
The backplane refers to the physical path between the input and output ports. Backplane capability is an internal implementation of the core router. Traditional core routers use a shared backplane, but as a high-performance router will inevitably encounter congestion problems, and secondly, it is difficult to design a high-speed shared bus, so existing high-speed core routers generally use a switchable backplane design. Backplane capacity can be reflected in router throughput, and backplane capacity is usually greater than the value calculated based on throughput and test packet length. However, backplane capacity can only be reflected in the design and cannot be tested in general.

4. Back-to-Back Frame Rate
Back-to-back frame count is the number of packets sent at the minimum frame interval when the maximum number of packets is sent without causing packet loss. This metric is used to test the caching capability of the core router. The value of this metric is infinite for core routers with wire-speed full-duplex forwarding capability.

5. Packet loss rate
Packet loss ratio is the percentage of packets that the core router cannot forward due to lack of resources out of the packets that should be forwarded under a steady and continuous load. Packet loss rate is commonly used as a measure of the performance of the core router when the router is overloaded. Packet loss rate is related to packet length and how often packets are sent, and in some environments can be simulated by adding routing jitter or a large number of routes after testing.

6. Time Delays
The time delay is the time interval between the first bit of the packet entering the router and the last bit coming out of the core router. This time interval is the processing time of the core router operating in store-and-forward mode. Latency is related to both packet length and link rate and is usually tested in the router port throughput range. The delay has a significant impact on network performance, and as a high-speed router, in the worst case, the delay is less than 1ms for all IP packets of 1518 bytes and below.

7. Time delay jitter
Latency jitter refers to delay variation. Data services are not sensitive to delay jitter, so this metric is usually not used as an important indicator for measuring high-speed core routers. For services other than data on IP, such as voice and video services, this metric is only necessary for testing.

Alotcer Gigabit Router AR7091 5G Industrial IoT Gateway
AR7091 Gigabit Router 5G Edge Computing Gateway
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► Dual-channel concurrent 5G online <[email protected], sleep standby <[email protected], high-speed communication ► Average [email protected]
► Multi-IO port 4-channel RS232/485,1-channel 10/100M Ethernet,4-channel relay,multi-IO port
► Network port camera to meet the ultra-low power consumption external network port camera picture capture high-speed upload application requirements
► MQTT support MQTT/Ntirp, compatible with Huawei / Ali / Telecom / Mobile and other mainstream IOT IOT platform
► Shortwave communication option to customize NB-IOT, LORA, ZigBee, 433, VHF ultra-shortwave communication functions
► Protocol customization support environmental protection 212 protocol, hydrology / water resources / meteorological communication regulation Modbus / ModbusTCP, support protocol customization

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