Juniper T-Series

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Juniper T-Series
Date invented 1998
Manufacturer Juniper Networks
Type Network router
Processor Internet processor

Juniper T-Series is a series of core routers designed and manufactured by Juniper Networks.[1][2] The T-Series core router family comprises the T320, T640, T1600, T4000, TX Matrix, and TX Matrix Plus, designed for high-end and core networks with throughput from 320 Gbit/s to 25.6 Tbit/s with a maximum forwarding rate of 30.7 billion pps. The JCS1200, the industry’s only independent control plane scaling system, brings virtualization to the core of the network. The T-Series, with the new TX Matrix Plus, provides transport scale up to 25 Tbit/s. The T-series routers run the JUNOS operating system.

Models and platforms

The Juniper T-series routers which consists of T320, T640, T1600, T4000, TX Matrix and TX Matrix Plus has thousands of units deployed by the major telecom and ISP networks around the world.[3][4][5][6][7][8]

T320

The T320 has a total throughput of 320G bit/s (bits per second, 160G bit/s full duplex), compared with the bigger version T640's 640G bit/s (320 Gbit/s full duplex). T320 Core Router is designed for use where rack space is at a premium and a wide range of interface speeds are needed. Each T320 router can support up to sixteen 10-Gbit/s ports (OC-192c/ STM-64 or 10-Gigabit Ethernet) while allowing lower speed connectivity down to channelized increments within the same chassis.[9] Befitting its edge aggregation role, the T320 also can accommodate smaller interfaces. Those include ATM (Asynchronous Transfer Mode) and SONet (Synchronous Optical Network) interfaces at OC-3 (155M bit/s) and OC-12 (622M bit/s), as well as Gigabit Ethernet. For those connections, carriers can reuse interfaces from the M series and install them in the T series blades.[10]

T640

The T640 supports up to 8 OC-768c/STM-256 ports, 32 10-Gbit/s ports (10-Gigabit Ethernet or OC-192/STM-64), 128 OC-48c/STM-16 ports, or 320 Gigabit Ethernet ports. It delivers up to 640 Gbit/s of capacity (320G bit/s full duplex) with the ability to forward up to 770 million packets per second (Mpps).[9]

T1600

The T1600 delivers up to 1.6 Tbit/s of capacity (800 Gbit/s full-duplex, or 8 slots at 100 Gbit/s per slot) with the ability to forward up to 1.92 billion pps.[11][12] The packet forwarding and switching complex of a T1600 supports 100 Gbit/s per slot. Current interface configurations include up to 16 OC-768c/STM-256 ports or 64 10-Gbit/s ports (10-Gigabit Ethernet or OC-192/STM-64).

T4000

Although Cisco claimed to have the fastest/highest capacity core routing platform in the world with the ASR9000 platform and their CRS-3 platform,[13] the new Juniper T4000 core router promised to be even faster.[14] The T4000 will deliver 4Tbit/s switching capacity (1920 Gbit/s full-duplex) over the backplane in a half-shelf router with a per-slot capacity of 240Gbit/s, up from 100Gbit/s in the existing T1600 models and 50Gbit/s in T640 models. It will be possible to upgrade these two existing models to the T4000 line[15]

TX Matrix

Interconnects up to four T640 chassis into a single routing entity. It has 32 slots and a sustainable throughput rate of 2.5 Tbit/s (up to 3 billion pps).

TX Matrix Plus

Juniper's TX Matrix Plus is the central switching and routing element that can interconnect up to 16 T1600 chassis into a single routing entity with 128 slots and a sustainable throughput rate of up to 25 Tbit/s (30.7 billion pps). With TX Matrix Plus, operators can build systems containing up to 16 line card chassis for a total of up to 1024 10-Gigabit Ethernet ports or 256 40 Gbit/s ports. Using the virtualization capabilities of JCS1200, this available resource can be partitioned into aggregation or edge routing, or into the support of virtual service networks for advanced partitioned services such as video, mobile, and all corporate traffic.

JCS1200

The Juniper Networks JCS1200 Control System is the industry’s first purpose-built, control plane scaling platform, providing high-power processing with a multi-CPU, multi-core server-class computing environment. With scalable memory and storage media, JCS1200 provides up to 12 routing engines in a compact one-quarter rack chassis.[9]

Features

The T-series features include MPLS Differentiated Services (DiffServ-TE), point-to-multipoint label-switched paths, nonstop routing and in-service software upgrades (ISSUs), hierarchical MPLS, and service delivery coupling with the Juniper Networks JCS1200 and the Partner Solution Development Platform (PSDP).

Platform T320 T640 T1600 T4000 TX Matrix with 4 x T640 TX Matrix Plus with 16 x T1600
Half-Duplex Throughput 320 Gbit/s 640 Gbit/s 1.6 Tbit/s 4 Tbit/s 2.5 Tbit/s 25.6 Tbit/s
Full-Duplex Throughput 160 Gbit/s 320 Gbit/s 800 Gbit/s 2 Tbit/s 1.3 Tbit/s 12.8 Tbit/s
Maximum Forwarding Rate 385 Mpps 770 Mpps 1920 Mpps 4000 Mpps 3000 Mpps 30700 Mpps
Rack Space 1/3 rack 1/2 rack 1/2 rack 1/2 rack 3 racks 11 racks
10-Gigabit Ethernet Density 16 40 80 208 128 1024
Fully Redundant Hardware Yes Yes Yes Yes Yes Yes
Multichassis Capable No Yes Yes Yes Yes Yes

References

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  9. ↑ 9.0 9.1 9.2 Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ Cisco's fastest router just got faster, than anyone's in Networkworld, visited 6 December 2010
  14. ↑ Juniper introducing the T4000 platform, visited 6 December 2010
  15. ↑ Juniper press release of 15 November 2010, visited 6 December 2010

External links

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