Juniper T-Series
Encyclopedia
Juniper T-Series is a series of core router
Core router
A core router is a router designed to operate in the Internet backbone, or core. To fulfill this role, a router must be able to support multiple telecommunications interfaces of the highest speed in use in the core Internet and must be able to forward IP packets at full speed on all of them. It...

s designed and manufactured by Juniper Networks
Juniper Networks
Juniper Networks is an information technology and computer networking products multinational company, founded in 1996. It is head quartered in Sunnyvale, California, USA. The company designs and sells high-performance Internet Protocol network products and services...

. The T-Series core router family comprises the T320, T640, T1600, 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
PPS
PPS may refer to:In commerce and industry* Participating preferred stock or participating preferred share* Purchasing Power Standard* Pay Per Sale, a payment method used in affiliate marketing....

. 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
JUNOS
Juniper Junos is the software or the network operating system used in Juniper Networks hardware systems. It is an operating system that is used in Juniper's routing, switching and security devices. Juniper offers a Software Development Kit to partners and customers to allow additional customization...

 operating system.

Models and platforms

The Juniper T-series routers which consists of T320, T640, T1600, TX Matrix and TX Matrix Plus has thousands of units deployed by the major telecom and ISP networks around the world.

T320

The T320 has a total throughput of 320G bit/s (bits per second
Bitrate
In telecommunications and computing, bit rate is the number of bits that are conveyed or processed per unit of time....

), compared with the bigger version T640's 640G bit/s. 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
Ethernet
Ethernet is a family of computer networking technologies for local area networks commercially introduced in 1980. Standardized in IEEE 802.3, Ethernet has largely replaced competing wired LAN technologies....

) while allowing lower speed connectivity down to channelized increments within the same chassis. Befitting its edge aggregation role, the T320 also can accommodate smaller interfaces. Those include ATM (Asynchronous Transfer Mode
Asynchronous Transfer Mode
Asynchronous Transfer Mode is a standard switching technique designed to unify telecommunication and computer networks. It uses asynchronous time-division multiplexing, and it encodes data into small, fixed-sized cells. This differs from approaches such as the Internet Protocol or Ethernet that...

) and SONet
Synchronous optical networking
Synchronous Optical Networking and Synchronous Digital Hierarchy are standardized multiplexing protocols that transfer multiple digital bit streams over optical fiber using lasers or highly coherent light from light-emitting diodes . At low transmission rates data can also be transferred via an...

 (Synchronous Optical Network) interfaces at OC-3 (155M bit/s) and OC-12
Optical Carrier
Optical Carrier transmission rates are a standardized set of specifications of transmission bandwidth for digital signals that can be carried on Synchronous Optical Networking fiber optic networks...

 (622M bit/s), as well as Gigabit Ethernet
Gigabit Ethernet
Gigabit Ethernet is a term describing various technologies for transmitting Ethernet frames at a rate of a gigabit per second , as defined by the IEEE 802.3-2008 standard. It came into use beginning in 1999, gradually supplanting Fast Ethernet in wired local networks where it performed...

. For those connections, carriers can reuse interfaces from the M series
Juniper M-Series
Juniper M Series is a series of Multiservice Edge routers designed and manufactured by Juniper Networks, for enterprise and service provider networks. It spans over M7i, M10i, M40e, M120, and M320 platforms with 7 Gbit/s up to 320 Gbit/s of throughput. The M40 router was the first product by...

 and install them in the T series blades.

T640

The T640 supports up to 8 OC-768c/STM-256 ports, 32 10-Gbit/s ports (10-Gigabit Ethernet
10 Gigabit Ethernet
The 10 gigabit Ethernet computer networking standard was first published in 2002. It defines a version of Ethernet with a nominal data rate of 10 Gbit/s , ten times faster than gigabit Ethernet.10 gigabit Ethernet defines only full duplex point to point links which are generally connected by...

 or OC-192/STM-64), 128 OC-48c/STM-16 ports, and an industry-leading 320 Gigabit Ethernet ports. It delivers up to 640 Gbit/s of capacity with the ability to forward up to 770 million packets per second (Mpps).

T1600

The T1600 delivers up to 1.6 Tbit/s of capacity (100 Gbit/s/slot) with the ability to forward up to 1.92 billion pps. 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
Ethernet
Ethernet is a family of computer networking technologies for local area networks commercially introduced in 1980. Standardized in IEEE 802.3, Ethernet has largely replaced competing wired LAN technologies....

 or OC-192/STM-64).

T4000

Although Cisco
Cisco Systems
Cisco Systems, Inc. is an American multinational corporation headquartered in San Jose, California, United States, that designs and sells consumer electronics, networking, voice, and communications technology and services. Cisco has more than 70,000 employees and annual revenue of US$...

 claimed to have the fastest/highest capacity core routing platform in the world with the ASR9000 platform and their CRS-3 platform
Carrier Routing System
Carrier Routing System is a large-scale core router, developed by Cisco Systems, Inc. It runs IOS XR which is a train of IOS built upon the QNX microkernel. A single chassis holds a maximum of 16 line cards, and can run an OC-768 SONET interface...

, the new Juniper
Juniper Networks
Juniper Networks is an information technology and computer networking products multinational company, founded in 1996. It is head quartered in Sunnyvale, California, USA. The company designs and sells high-performance Internet Protocol network products and services...

 T4000 core router promised to be even faster,. The T4000 delivers 4Tbps switching capacity over the backplane in a half-shelf router with a per-slot capacity of 240Gbps, up from 100Gbps in the existing T1600 and T640 models. It is possible to upgrade these two existing models to the T4000 line

TX Matrix

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

TX Matrix Plus

Juniper's TX Matrix Plus is the central switching
Switching
LAN switching is a form of packet switching used in local area networks. Switching technologies are crucial to network design, as they allow traffic to be sent only where it is needed in most cases, using fast, hardware-based methods.- Layer 2 switching :...

 and routing
Routing
Routing is the process of selecting paths in a network along which to send network traffic. Routing is performed for many kinds of networks, including the telephone network , electronic data networks , and transportation networks...

 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.

Features

The T-series features include MPLS
Mpls
MPLS or Mpls can refer to:* Minneapolis, Minnesota, United States* Multiprotocol Label Switching, a data-carrying mechanism in computer networking...

 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 TX Matrix with 4 x T640 TX Matrix Plus with 16 x T1600
Throughput 320 Gbit/s 640 Gbit/s 1.6 Tbit/s 2.5 Tbit/s 25.6 Tbit/s
Maximum Forwarding Rate 385 Mpps 770 Mpps 1.92 Billion pps 3 Billion pps 30.7 Billion pps
Rack Space 1/3 rack 1/2 rack 1/2 rack 3 racks 11 racks
10-Gigabit Ethernet Density 16 32 64 128 1024
Fully Redundant Hardware Yes Yes Yes Yes Yes
Multichassis Capable No Yes Yes Yes Yes

See also

  • http://www.juniper.net/techpubs/hardware/t-series.html
  • http://www.juniper.net/us/en/products-services/routing/t-tx-series/
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK