Broadcom’s 14.4-terabit Jericho2c+ router chip

The inexorable growth of IP traffic is being driven by ever more powerful devices being connected to the network and greater numbers of machines talking to each other.

In turn, Covid-19 has contributed its own traffic spike: AT&T reported that in September its core network traffic was 20 per cent up compared to March’s figures.

Jericho2c+ architecture. Source: Broadcom

The growth means that each new generation of router platform must at least double the traffic throughput while keeping the power consumption fixed.

This is a considerable challenge but one that the router chip designers continue to meet.

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