Blog

In the realm of modern networking, the need for seamless access to network traffic and robust monitoring is undeniable. However, this requirement often clashes with the challenges of maintaining network performance, ensuring complete visibility, and scaling the infrastructure. To tackle these issues, Network TAPs and Network Packet Brokers (NPBs) come to the rescue.Challenge 1: Non-Intrusive Access to Network TrafficAccessing network traffic is vital, but traditional methods like SPAN ports can

Inter-DC Connectivity optionsHere are the most common 400G optics modules used for inter-DC connectivity.Optics Type: 400G-LR4 Description: Up to 10km over 1x SM fiber pair, using four 100G PAM4 optical signals muxed on the fiber pair. Fiber Type & fiber connector: Single-mode fiber, Duplex LC connector Use Case: For DCI applications for up to 10km.Optics Type: 400G-LR8 Description: Up to 10km over 1x SM fiber pair, using eight 50G PAM4 optical signals muxed on the fiber pair. Fiber Ty

Between Leaf & Spine and Spine & DCI connectivity optionsOptics Type: 400G-FR4 Description: Up to 2km over 1 SM fiber pair, using four 100G PAM4 optical signals muxed on the fiber pair. LC connector is used. Fiber Type & fiber connector: Single-mode fiber, Duplex LC connector Use Case: Usually used between leaf, spine & DCI within data centers, or across data centers for up to 2km useOptics Type: 400G-2FR4Description: Up to 2km over 2 SM fiber pairs, each fiber pair carrying 200G using f

Between ToR & Leaf Connectivity OptionsOptics Type: 400G-AOC Description: Up to 30m over multiple MM fiber pairs. AOCs provide a complete solution, that includes two optics modules connected using multiple fiber pairs. They come in different fiber lengths to cater to different customer requirements. Fiber Type & fiber connector: Usually MM fiber Use Case: It is a cost-effective optical connectivity option for short reach (up to 30m).1-400G QSFP-DD to 400G QSFP-DD, 400GE/200GE/HDR, 850nm&

400G ToR to Server/storage Connectivity optionsOptics Type: 400G-Direct Attach Cables (DAC) Description: QSFP-DD (Double-Density) passive copper cable assemblies provide 8 data transmission channels at speeds up to 25Gbps/lane NRZ and 50Gbps/lane PAM4. It enables 200G/400G in an application, with lengths 0.5-2 meters.. Fiber Type & fiber connector: Usually high-speed copper pairs Use Case: It is a cost-effective within-rack connectivity option for short reach (up to 3m).1- 400G Q