Juniper Networks SRC Series
Session and Resource Control Software
Our Price: $56,350.00
In order to offer differentiated broadband subscriber plans and ensure high-quality delivery of IPTV, video on demand (VOD), gaming, and multimedia services, service providers must allocate and control network resources in real time. Juniper Networks Session and Resource Control (SRC) software elegantly addresses these requirements with high performance and reliability at carrier scale. Building on Juniper’s long-standing technology and market leadership, the advanced SRC Series software offers a comprehensive, customizable, and automated policy management, subscriber management, bandwidth management, and resource control solution.
Service providers are placing significant emphasis on and making significant investments in policy and control as the deployment of high-value multiplay services accelerates and the evolution to Third-Generation Partnership Project IP Multimedia Subsystem (3GPP IMS) and the European Telecommunications Standardization Institute’s Telecoms and Internet Converged Services and Protocols for Advanced Networks (ETSI TISPAN) architectures continues. Key policy and control functions include policy management; subscriber management and authentication, authorization, and accounting (AAA); bandwidth management; and network resource control. The Juniper Networks Session and Resource Control portfolio provides these critical functions, harmonizing subscribers and applications with the network layer and integrating with operations support systems and business support systems (OSS/BSS).
The Juniper Networks Session and Resource Control (SRC) portfolio consists of sophisticated software that extends Juniper’s network layer expertise to the policy and control layer. The SRC Series of advanced software modules—the SRC Policy Engine, the SRC Diameter Gateway, the SRC SOAP Gateway, and the SRC Volume Tracking Application—run on Commonly Off The Shelf (COTS) hardware and use widely adopted standards-based open interfaces to maximize interoperability with the broadest range of elements, applications, and platforms.
At the network layer, SRC Series software modules are fully integrated with Juniper Networks routing platforms and security solutions, extending support to third-party network elements via RADIUS CoA (change of authorization) and scripting services.
SRC Series software modules integrate easily with external repositories and related systems that support billing, customer care, order entry, provisioning, billing, and security. SRC Series gateway modules use standards-based interfaces to integrate with a broad set of service layer applications, enabling application-driven control of network resources.
The SRC Series software modules offer a carrier-grade policy and control solution that, together with Juniper routing and security products and third-party applications, support the delivery of high-value, differentiated services across multivendor network infrastructures. This enables a smooth migration to next-generation network architectures such as Fixed Mobile Convergence (FMC) based on 3GPP Gx, giving Juniper customers a broad set of open, agile, and customizable policy and control options to address their diverse and unique business and technical requirements.
Architecture and Key Components:
SRC Series Software
The SRC Series advanced software consists of:
- The SRC Policy Engine (SRC PE), which maintains a directory of customer, network, and service configuration information that it uses to enable automated, policybased service and subscriber provisioning. The SRC PE also allocates network resources in response to subscriber and application requests, to ensure quality of service (QoS) and quality of experience (QoE) and to protect the quality of previously accepted sessions. It collects usage information on a per-subscriber or perservice basis in order to implement usage-based billing, fair usage, or reporting. The SRC-PE integrates with a variety of Juniper products, including MX Series and E Series platforms, as well as third party network elements, leveraging protocols such as Diameter, COPS-PR, RADIUS/ CoA, XML, and scripting.
- The SRC Diameter Gateway (SRC DG), which provides a Diameter interface that enables the SRC PE to perform Access Resource and Admission Control Functions (A-RACF), and to provision policies for Session Initiation Protocol (SIP) services, across the IP/MPLS network infrastructure.
- 3GPP-Gateway: SRC Series software can interface with third-party PCRFs leveraging 3GPP Gx reference point. In this architecture, the SRC Series can mediate between PCRF and non-3GPP compliant devices.
- IMS-Gateway: SRC Series software can perform Access Resource and Admission Control Functions (A-RACF), integrating with SPDF over Rq reference interface. The SRC Series provides network resource management and dynamic policies for multimedia services.
- The SRC SOAP Gateway (SRC SG), which uses the SOAP Protocol to provide a simple, straightforward, and standards-based interface that allows non-SRC Series applications to integrate with, and make use of, SRC Series software.
- The SRC Volume Tracking Application (SRC VTA), which tracks subscribers, sessions, and applications based on granular, customer configurable thresholds for volumes and durations, enabling fair resource usage. The SRC VTA supports tiered service offerings and can invoke policydriven actions based on predefined thresholds, including rate limiting of traffic, activation of additional resources, and removal of abusive users.
Features & Benefits:
|Prepackaged solution||Easy to dimension, test, install, configure, upgrade, troubleshoot, and spare||Simplifies the operating environment|
|Intelligent call admission control||Considers multiple criteria (subscriber privileges, service profile, application requirements, network availability) to make per-session admission control decisions||Ensures high service quality for requested and preexisting sessions, and provides subscriber QoE|
|Service-level accounting||Tracks and accounts for dynamically initiated services for OSS/BSS handof||Supports unique service models|
|Flexible service activation||Provides identity-based, application-based, and subscriber self-service selection||Provides mass service customization, stronger customer relationships, and competitive differentiation without increasing operating complexity or costs|
|Open interfaces||Integrates with third-party network elements and applications to enable end-to-end, application-driven network resource control||Enables application-driven resource control over multivendor networks|
|Subscriber self-provisioning and service creation tools||Provides policy-driven subscriber and service automation at carrier scale||Enables decreased time to market and reduced costs to roll out new services|
|Virtualized software (vSRC)||Takes advantage of commonly available offthe-shelf hardware.||Provides flexibility to customize and expand based on need and current conditions.|
The SRC Series Session and Resource Control Software supports a suite of applications that enable the creation of myriad services limited only by the creativity of service providers, system integrators, and the enterprise. Several examples are described here.
Multiplay Services: Assured Video
When a subscriber requests a video service (A), the video server notifies the SRC Policy Engine via the SRC SOAP Gateway (B). The SRC Policy Engine monitors the network (C) to determine whether adequate resources are available to support the request. If the resources exist, the SRC Policy Engine reserves them (C) and notifies the video server to initiate the service (B); if sufficient resources are not available, the SRC Policy Engine can resize existing LSPs or create new ones to handle the additional traffic, or gracefully reject the request and notify the subscriber, depending on the service provider’s defined policy. The SRC Policy Engine also dynamically rate-limits other services that the subscriber may concurrently consume to assure high video QoE.
Multiplay Services: Assured Voice
In this example, the service provider has implemented a multiplay network that supports both IMS and non-IMS services over a converged infrastructure. The policy and control solution consists of the SRC Policy Engine, the SRC SOAP Gateway, and the SRC Diameter Gateway, in addition to OSCP partner products. Video and data applications communicate with the SRC Policy Engine via the SRC SOAP Gateway (A), and voice over IP (VoIP) service requests are conveyed to the SRC Policy Engine by a Session Border Controller via the SRC Diameter Gateway (B). The SRC Policy Engine provides traffic engineering for VoIP and video sessions based on real-time LSP awareness and can allocate, resize, and create network resources in response to application requirements (C). The sessions are gracefully rejected if sufficient resources are unavailable.
Tiered Access Services and Subscriber Self-Provisioning
In this example, the service provider uses the SRC Policy Engine with the built-in, selfservice portal, the SRC SOAP Gateway, and the SRC Volume Tracking Application to offer tiered subscriber selectable service packages based on traffic volume, connection speed, and duration. Subscribers use the selfservice portal (A) to make a service selection that the SRC Policy Engine configures on the network (B). A partner application monitoring the xDSL train rate is integrated into the solution via the SRC SOAP Gateway (C). Changes in the train rate trigger the SRC Policy Engine to make changes to the subscriber’s service profile. The SRC Volume Tracking Application monitors and accounts for subscriber use, and this accounting information is also provided to OSS/BSS accounting, billing, and customer care systems (D).
- You must allocate at least one CPU core for virtualized SRC Series software. For comparison purposes, here are the equivalent CPU characteristics of previously available C Series hardware:
- C2000: 4
- C3000: 8
- C5000: 24
- The qcow2 image and vmdk image (of subtype monolithicSparse) grow in size up to 250 GB when used on a virtual machine, so there must be more than 250 GB of disk space available in the host operating system to use the qcow2 or vmdk image. If using an SRC Series iso image, it is recommended that 250 GB of disk space be allocated to the virtualized SRC Series software to ensure enough space is available for system and component logs.
- 1GbE or 10GbE interface card (one or more)
- VMware, Centos 6.5 KVM
- img (for installation on legacy C Series C3000 and C5000 hardware)
|SRC Component||Default Heap Size for vSRC||Heap Size Adjustable||Stack Size|
|ACP||64 MB||Yes||1024 KB|
|SNMP agent||160 MB||No||1024 KB|
|Web application server||616 MB||No||1024 KB|
|CLI||200 MB||No||1024 KB|
|Diameter server||600 MB||No||1024 KB|
|External subscriber monitor||160 MB||Yes||1024 KB|
|3GPP gateway||200 MB||No||1024 KB|
|IMS services gateway||200 MB||No||1024 KB|
|JPS||400 MB||Yes||1024 KB|
|License server||1 GB or less than ¼ of physical memory||No||1024 KB|
|NIC||128 MB||Yes||1024 KB|
|SAE||70% of free memory||Yes||228 KB|
|C-Web interface||200 MB||No||1024 KB|
Download the Juniper Networks SRC Series Datasheet (PDF).
- Pricing and product availability subject to change without notice.
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