Juniper E-Series

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Short description: Series of broadband services routers manufactured by Juniper Networks
Juniper E-Series
ManufacturerJuniper Networks
TypeNetwork router
ProcessorInternet processor

Juniper E-Series is a series of broadband services routers or edge routers manufactured by Juniper Networks.[1][2][3] The E series was originally developed by Unisphere Networks, which Juniper acquired in 2002.[4] These routers provide multiple services including broadband remote access server, broadband video services, dedicated access, 802.11 wireless subscriber management, VOIP, internet access, security services, network address translation (NAT) etc. on a single platform. The carrier-class architecture of E-series routers[5] allows to combine Broadband Remote Access Server (B-RAS) and dedicated access capabilities (T1/E1 and above) on a single and integrated platform. The E-series routes runs on JUNOSe software compared to other series of routers of Juniper which runs on JUNOS.

Models and Platforms

The Juniper E-series includes six different models that are designed to address the variety of Service Provider requirements.[6] The specific models include the high-capacity E320 BSR and ERX-1440 platforms, the mid-range ERX-1410 platform, compact ERX-710 and ERX-705 platforms, and the highly compact ERX-310. All E-series platforms use a single version of the JUNOSe operating system, and support a full suite of Internet routing protocols,[7] including BGP-4, IS-IS, OSPF, and RIP.[8]

E120

The Juniper E120 router[9] is a high-performance router used primarily for small to medium-sized points of presence (PoPs) and central offices. The E120 has a 120 Gbit/s switch fabric and hosts up to six line modules that support OC3/STM1 through OC48c/STM16 and 10 Gigabit Ethernet rates.[2]

E320

The Juniper E320 router is a high-performance router used primarily for large points of presence (PoPs). The box supports a 100 Gbit/s or a 320 Gbit/s switch fabric and hosts up to 12 line modules that support OC3/STM1 through OC48c/STM16 and 10 Gigabit Ethernet interfaces [2] with the ability to support 96,000 subscribers.[10] The E320 was designed with video in mind, adding the Quality of service (QOS) and high availability that carriers want for IPTV,[11] as well as a huge increase in density.[10] Cisco Systems has two boxes selling into this space: the 10000 series, considered Cisco's primary B-RAS entry, and the 7600 line of edge routers (of which the 7613 is the largest), which include some B-RAS capabilities. The B-RAS Backplane Switching Capacities of E320 supports up to 320 Gbit/s compared to 256 Gbit/s of Cisco 7613.[10]

ERX310

The Juniper ERX310 is a compact but high-performance router that has a 10 Gbit/s switch fabric, two slots dedicated to line modules, and supports up to OC12c/STM4 and Gigabit Ethernet interfaces.[2] The 3-slot router contains a 10 Gbit/s switch fabric /route processor (SRP) and the rest of the two slots dedicated to line modules.

ERX705

The Juniper ERX705 is a compact router that is used for small and medium-sized circuit aggregation applications. They can be configured with a 5 Gbit/s or 10 Gbit/s switch fabric (optional switch fabric redundancy), has five slots for line modules, and supports up to OC12c/STM4 and Gigabit Ethernet interfaces.[2] These 7-slot router contains either a 5 Gbit/s or 10 Gbit/s switch fabric / route processor (SRP) with optional SRP redundancy for high availability and 5 slots dedicated to line modules.

ERX710

The Juniper ERX710 is mainly used for medium-sized and large circuit aggregation applications. They have a 5 Gbit/s switch fabric with optional redundancy, five slots for line modules, and supports up to OC12c/STM4 and Gigabit Ethernet interfaces.[2] The ERX-705 and ERX-710 routers utilize the same line modules and I/Os used across the entire E-series product line.

ERX1410

The Juniper ERX1410 is an edge router that is used for large circuit aggregation applications. They have a 10 Gbit/s switch fabric with optional redundancy, 12 line module slots, and supports up to OC12c/STM4 and Gigabit Ethernet interfaces.[2]

ERX1440

The Juniper ERX1440 is a high-performance router is used for small to medium-sized points of presence (PoPs). The ERX1440 has a 40 Gbit/s switch fabric with optional redundancy, 12 line module slots, and supports up to OC48c/STM16 and Gigabit Ethernet interfaces.[2]

Features

The ERX system uses a modular, carrier-class design with a passive midplane, active front-insert line modules, and high-reliability, rear-insert input/output (I/O) modules. All chassis types use the same line modules and I/O modules.[3] The 7-slot and 14-slot systems support full redundancy and line module hot-swapping to optimize network uptime.

The E-series JUNOSe system software and applications supports stateful Switch Route Processor switchover capabilities. The high availability for subscriber management applications, including all Point-to-Point Protocol and Dynamic Host Configuration Protocol access options, means that all subscriber sessions and services remain active during failure.[12]

These routers maintain an entire routing table per port, which removes the route processor from the forwarding path and provides wire speed performance IP traffic streams, a process aided by Juniper developed ASIC technology.

The E-series supports subscriber management features in order to effectively aggregate traffic from access multiplexers, terminate Point-to-Point Protocol (PPP) sessions, and enforce QoS policies on a per flow and per subscriber basis. Features includes support for DHCP, PPPoE, PPPoA, PAP, and CHAP, domain parsing based on destination domain, IP address pooling, L2TP, LAC, LNS, RADIUS-initiated disconnect, RADIUS server support, auto-detection, Zero-Touch configuration, and TACACS+ etc.

The E-Series Modules supported are Channelized T3, Channelized OC3/STM-1 and OC12/STM-4 LM, Fast Ethernet/Gigabit Ethernet Line Modules, OC-3/STM-1 and OC-12/STM-4 ATM Line Modules, OC3/STM-1, OC12/STM-4 and OC48/STM-16 Packet over SONET Line Modules, Service Modules and IPSec Service Module etc.[8]

References

  1. ↑ "Juniper Networks Extends Innovation at the Broadband Network Edge; Leader in Broadband Aggregation Announces New Features for E-series Edge Routing Platform". Business Wire. Oct 11, 2004. http://www.businesswire.com/portal/site/google/?ndmViewId=news_view&newsId=20041011005219&newsLang=en. Retrieved 2009-04-25. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 "Juniper E-series". Juniper Networks. http://www.juniper.net/us/en/products-services/routing/e-series/. Retrieved 2009-04-25. 
  3. ↑ 3.0 3.1 "E-series Broadband Services Routers". systems solutions. Archived from the original on 2007-02-21. https://web.archive.org/web/20070221130556/http://www.systemssolutions.com/uploads/pdf/Eseries%20routers.pdf. Retrieved 2009-04-25. 
  4. ↑ Raynovich, R. Scott (May 20, 2002). "Juniper Nabs Unisphere for $740M". Light Reading. http://www.lightreading.com/document.asp?doc_id=15332. Retrieved 2009-04-25. 
  5. ↑ "CTBC Selects Juniper E-Series". Light Reading. October 29, 2003. http://www.lightreading.com/document.asp?doc_id=42726. Retrieved 2009-04-25. 
  6. ↑ "Telefonica Argentina Selects Juniper Networks for National IP Network". Business Wire. Oct 19, 2006. Archived from the original on 2009-05-02. https://web.archive.org/web/20090502091347/http://findarticles.com/p/articles/mi_m0EIN/is_2006_Oct_19/ai_n27034036/. Retrieved 2009-04-25. 
  7. ↑ "Juniper Networks, Inc. (Nasdaq)". Reuters. https://www.reuters.com/finance/stocks/companyProfile?rpc=66&symbol=JNPR.O. Retrieved 2009-04-25. 
  8. ↑ 8.0 8.1 "Juniper Networks E-Series Broadband Service Routing Platform". Thinkcp Technologies. http://www.thinkcp.com/products/Juniper_Net_E_Series.asp. Retrieved 2009-04-25. 
  9. ↑ "Juniper Networks Release E-120 Router – Making IPTV More Provider & User Friendly". webtvwire.com. July 30, 2007. http://www.webtvwire.com/juniper-networks-release-e-120-router-making-iptv-more-provider-user-friendly/. Retrieved 2009-04-25. 
  10. ↑ 10.0 10.1 10.2 "Juniper Aims E-Series at IPTV". Light Reading. June 6, 2005. http://www.lightreading.com/document.asp?doc_id=75036&site=supercomm. Retrieved 2009-04-25. 
  11. ↑ "China Telecom Shanghai Chooses Juniper Networks". China Tech News. February 17, 2006. http://www.chinatechnews.com/2006/02/17/3476-china-telecom-shanghai-chooses-juniper-networks/. Retrieved 2009-04-25. 
  12. ↑ "Juniper Offers New Features for E-series Edge Routing Platform". Enterprise Networks & Servers. Nov 2004. http://findarticles.com/p/articles/mi_qa4137/is_200411/ai_n9470259/. Retrieved 2009-04-25. [yes|permanent dead link|dead link}}]

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