Nokia rolls out its first ‘petabit-class’ router

Nokia turns to sil­i­con to up­grade core net­work, re­veals

Tech Advisor - - News - PETER SAYER

With In­ter­net traf­fic set to triple over the next five years or so, ac­cord­ing to re­cent es­ti­mates from Nokia and Cisco Sys­tems, Nokia thinks the time is right for a new range of high-end routers that can boost core ca­pac­ity by a fac­tor of six – and even help 10-year-old de­vices to dou­ble their ca­pac­ity.

Nokia pre­dicts that by 2022, to­tal In­ter­net traf­fic will reach 330 ex­abytes per month. (That’s 330 mil­lion ter­abytes). For its part, Cisco fore­casts it will grow at 24 per­cent per year from a base of 96 ex­abytes per month in 2016 to 278 ex­abytes per month in 2021.

That traf­fic growth will be driven by three things, ac­cord­ing to Nokia: cloud ser­vices, 5G mo­bile net­works, and the In­ter­net of Things.

In a re­cent re­port on se­cur­ing IoT, Cisco pre­dicted there will be 50 bil­lion con­nected de­vices by 2020; Nokia reck­ons there will be 100 bil­lion IoT de­vices by 2025, up from 12 bil­lion in 2017.

Pro­tect­ing those bil­lions of IoT de­vices against mis­use will be vi­tal if they are not to be turned against us. That’s al­ready a prob­lem, with mil­lions of con­nected cam­eras and home routers be­ing sub­verted in re­cent months and used to launch DDoS (dis­trib­uted de­nial of ser­vice) at­tacks. Cisco ex­pects the num­ber of DDoS at­tacks to grow from around 1.25 mil­lion in 2016 to 3.1 mil­lion in 2021. Nokia is more alarmist: It ex­pects 10 mil­lion such at­tacks in 2017 alone – although this may re­flect dif­fer­ent def­i­ni­tions of the level of traf­fic re­quired to ef­fec­tively deny ser­vice.

All that raises the ques­tion, if In­ter­net use – and mis­use – is go­ing to grow so fast, how on earth are we go­ing to route it?

Nokia’s an­swer to that is a new chip, the FP4, which can process up to 2.4 ter­abits per sec­ond. It’s based on the FP3 chip Nokia al­ready uses, but com­bines sev­eral of them into a sin­gle pack­age.

Pack sev­eral of these on the same cir­cuit board and the end re­sult is a line card ca­pa­ble of 12Tb/s. In a

new router, these cards are able to han­dle six times the traf­fic of the model they re­place, but ac­cord­ing to Steve Vo­gel­sang, CTO for Nokia’s IP and op­ti­cal busi­ness, they can be slot­ted into routers up to 10 years old as well. There, they can dou­ble the ca­pac­ity of the 7750 SR-12 Ser­vice Router, for ex­am­ple, and even tre­ble the ca­pac­ity of the slightly newer 7750 SR-12e.

The lat­est ad­di­tion to the range, the sin­gle-shelf Nokia 7750 SR-14s, will be able to han­dle up to 144Tb/s when it goes on sale in the fourth quar­ter.

At the same time, Nokia is also in­tro­duc­ing the 7950 XRS-XC Ex­ten­si­ble Rout­ing Sys­tem, which it some­what op­ti­misti­cally de­scribes as ‘petabit-class’. The ac­tual spec­i­fi­ca­tion is al­most as im­pres­sive: up to 576 ter­abits (just over half a petabit) per sec­ond in a sin­gle sys­tem, achieved through chas­sis ex­ten­sion with­out the need for switch­ing shelves.

An­other ben­e­fit of the new FP4 chip is its abil­ity to stream traf­fic sta­tis­tics to an ex­ter­nal an­a­lyt­ics sys­tem, such as Nokia’s re­cently ac­quired Deep­field IP net­work an­a­lyt­ics sys­tem. That’s how Nokia ex­pects the new routers to help spot DDoS at­tacks and other ne­far­i­ous ac­tiv­ity. The chips can also per­form state­less packet in­spec­tion, al­low­ing fur­ther in­sight into traf­fic prob­lems.

Newspapers in English

Newspapers from UK

© PressReader. All rights reserved.