Cisco® Wide Area Application Services (WAAS) delivers a comprehensive, cost-effective, cloud-ready WAN optimization solution. Cisco WAAS accelerates applications, optimizes bandwidth, provides local hosting of branch-office IT services, and enables a smooth evolution to cloud-based services. Cisco WAAS improves end user productivity by accelerating application delivery and improves IT staff productivity through simplified service integration while maintaining a low total cost of ownership (TCO), and increased business agility with network integration.
Cisco WAAS enables organizations to accomplish crucial business objectives including:
• Consolidate and virtualize data centers
• Deploy desktop virtualization technologies to branch locations
• Deploy new, multimedia applications such as live streaming video and video on demand (VoD)
• Deliver high-performance cloud services and software-as-a-service (SaaS) applications
• Reduce WAN bandwidth requirements and defer expensive bandwidth upgrades
• Consolidate branch-office servers
• Improve application performance as experienced by the end users
Cisco WAAS Software Version 4.4 provides the following key features:
• Context-aware data redundancy elimination (DRE): Cisco WAAS provides the industry's first Context-aware DRE solution designed to address the differing needs of existing web, file, and client-server applications as well as emerging applications such as virtual desktop infrastructure (VDI), cloud, and high-quality live video. Cisco WAAS can change the DRE caching behavior on a per-application basis to achieve improved application response times and throughput while preserving peer resiliency and fault isolation.
• Integrated application performance monitoring (APM): The Cisco WAAS Central Manager provides network administrators with enhanced visibility into application performance by extracting correlated data from the Cisco Network Analysis Module (NAM) and presenting critical application metrics directly from the central manager. Benefits and capabilities include:
– New reporting capabilities including reports on top talkers and application response times as well as before-and-after snapshot reports
– Support for all Cisco WAAS form factors including Cisco WAAS Appliances, Integrated Services Router (ISR G2 SRE) Modules, Virtual WAAS (vWAAS), and WAAS Express
– Streamlined configuration of Cisco WAAS Central Manager and NAM
• Web Cache Control Protocol (WCCP) service groups: Cisco WAAS now supports WCCP service groups enabling customers to run multiple Cisco WAAS server farms with different interception and redirection policies from a single router.
• Configurable failover timers: Cisco WAAS provides enhanced failover support with configurable failover timers as low as 9 seconds.
Unique Cisco WAAS Advantages
Cisco WAAS offers numerous benefits that distinguish it from other WAN optimization products.
Cisco WAAS Offers the Most Choices for WAN Optimization with the Broadest Portfolio on the Market Today
• Software-based WAN optimization solutions
– Cisco WAAS Software on Cisco ISR Generation 2 (G2) provides router-integrated, on-demand WAN optimization for branch offices. The Cisco Services-Ready Engine (SRE) Modules on the Cisco ISR G2 platform decouples software services from the underlying hardware and can deliver WAN optimization as an on-demand service as required by business objectives and IT budget. This approach makes better use of existing investments while offering business agility.
– Cisco vWAAS is a virtual appliance that accelerates business applications delivered from private and virtual private cloud infrastructure, helping ensure an optimal user experience. Cisco vWAAS enables cloud providers to rapidly create WAN optimization services with little network configuration or disruption in cloud-based environments by using policy-based configuration in Cisco Nexus® 1000V Series Switches, which allows association with application server virtual machines as they are instantiated or moved.
– Cisco WAAS Express extends the Cisco WAAS product portfolio with a small-footprint, cost-effective Cisco IOS® Software solution integrated into Cisco ISR G2 devices to offer bandwidth optimization capabilities. Cisco WAAS Express increases remote user productivity, reduces WAN bandwidth costs, and offers investment protection by interoperating with existing Cisco WAAS infrastructure.
– Cisco WAAS Mobile delivers bidirectional compression, application-specific accelerators, and flow optimizers for mobile or remote users in situations in which neither an appliance nor a branch-office router is available or practical, or for public cloud environments that cannot support an appliance.
• Full appliance portfolio
– Branch-office appliances support Cisco WAAS virtual blades for local hosting of branch-office IT services, reducing the branch-office footprint.
– Scalable data center platforms support small to large data centers across a wide range of deployment scenarios and price points.
Cisco WAAS Offers a Proven End-to-End Architectural Approach with Validated Designs to Lower TCO and Ease Deployment Challenges
Cisco WAAS is the only WAN optimization solution that has published jointly validated designs with major application vendors such as Oracle, SAP, Microsoft, and IBM. Validated designs assist Cisco customers by offering best practices to successfully incorporate IT infrastructure such as Cisco switches, routers, security devices, and servers, thus significantly reducing the risk of deploying WAN optimization to accelerate these applications. Coupled with award-winning Cisco global support and advanced services, Cisco WAAS gives customers a significant set of resources to help ensure full network integration while reducing maintenance costs and deployment time.
For example, with Microsoft, Cisco has developed an optimized branch-office architecture that uses Cisco WAAS to optimize performance of centralized applications such as Microsoft Exchange, SharePoint, and file services, while most Microsoft Windows branch-office services and applications can be locally hosted on Cisco WAAS devices using Cisco WAAS virtual blades. The Cisco WAAS optimization for Microsoft Windows protocols was developed with Microsoft, and the relevant intellectual property rights (IPRs) are licensed from Microsoft.
Network Services Integration Provides Transparent, Secure, and Reliable Application Performance
Cisco WAAS transparent architecture enables integration into the network and preservation of existing network services, thereby making WAN acceleration easy to deploy and operate.
• Network transparency and preservation of IP and TCP header information allows ease of operation and interoperability with network services such as quality of service (QoS), NetFlow, access control lists (ACLs), firewalls, Cisco Performance Routing (PfR), and IP service-level agreements (SLAs).
• Cisco WAAS offers automatic discovery of optimization devices, simplifying operations for all types of WAN architectures (including Multiprotocol Label Switching [MPLS], hierarchical networks, and hub-and-spoke topologies).
• Cisco WAAS integrates with all the Cisco firewalls - Cisco IOS Firewall, Cisco PIX® Firewall Software, Cisco ASA 5500 Series Enterprise Firewall Edition, and Cisco Catalyst® 6500 Series Firewall Services Module (FWSM) - to provide the only solution in the industry that gives customers full stateful firewall inspection and network virus-scanning capabilities for accelerated traffic.
• For inline deployments, Cisco WAAS offers a low-latency voice-over-IP (VoIP) traffic bypass feature that has been stress-tested with Cisco VoIP test beds.
Cisco WAAS provides flexible deployment options, as shown in Figure 1 and summarized in Table 1.
Figure 1. Cisco WAAS Deployment Options for Branch-Office and Mobile Employees
Table 1. Cisco WAAS Flexible Deployment Options
Cisco WAAS Product Family
Cisco WAAS Appliances
Cisco WAAS Modules on Cisco ISR and ISR G2
Cisco WAAS Express on ISR G2
Cisco WAAS Mobile Client
Cisco WAAS Mobile Server
Private cloud, virtual private cloud, and public cloud
Mobile and home-office PCs
Features and Benefits
Table 2 summarizes the main features and benefits of Cisco WAAS. For detailed information about acceleration for mobile users, please refer to the Cisco WAAS Mobile data sheet. For the features and benefits of Cisco WAAS Express, please refer to the Cisco WAAS Express data sheet.
Table 2. Main Benefits and Features of Cisco WAAS
Eliminate or defer expensive WAN bandwidth upgrades
• Transport flow optimization (TFO): TFO improves application packet flow under unfavorable WAN conditions such as packet loss and small initial windows while helping ensure fairness.
• DRE: DRE is an advanced form of network compression that uses a bidirectional database to store previously seen TCP traffic and replace redundant patterns with very small signatures. DRE can provide up to 100:1 compression depending on the data being examined.
• Adaptive persistent session-based compression: This type of compression can provide up to an additional 5:1 compression.
• Improve employee productivity
• Consolidate branch-office servers
• Centralize branch-office IT resources such as storage and backup tapes and reduce operating costs
• Protocol acceleration: Application-specific latency is reduced through a variety of application-layer techniques such as read-ahead, operation prediction, connection reuse, message multiplexing, pipelining, and parallelization, resulting in LAN-like performance despite deployment over a WAN.
• Application optimizers: Protocol-specific acceleration is available for Microsoft Windows file sharing (Common Internet File System [CIFS]); Microsoft Exchange (Messaging API [MAPI] and MAPI over SSL); HTTP and HTTPS applications such as Oracle, SAP, and Microsoft SharePoint and Outlook Web Access (OWA); Microsoft Windows print services; and UNIX Network File System (NFS). These features improve end-user application response times, significantly improving employee productivity.
• Content prepositioning: Centralized policy-based file distribution and prepositioning can be used to push files to edge Cisco WAAS devices, accelerating software patch distribution and file access for all users.
Ease of initial and ongoing deployment
• Network transparency: Cisco WAAS preserves all existing network services.
• Client, server, and application transparency: No modifications to clients, servers, or applications are needed.
• Quickstart wizard: Use of the wizard eliminates many configuration steps. The wizard includes defaults for faster deployment.
• Management and monitoring: Intuitive workflow-based management and real-time monitoring are provided. Diagnostic and troubleshooting tools help reduce mean time to resolution.
Flexible deployment options for cloud computing
For private and virtual private cloud environments:
• Agile: Implement agile virtual machine-based deployments on standard x86 servers, such as Cisco Unified Computing System™ (UCS) servers.
• Application-specific WAN optimization: Use Cisco Nexus 1000V Series port profiles and vPath to create value-added WAN optimization services on a per-application basis in your catalog of cloud services (for example, use Cisco vWAAS only for Microsoft SharePoint or Exchange) for optimized delivery to remote branch-office users.
• Flexible scale-out Cisco WAAS deployment: Using policy-based configuration in the Cisco Nexus 1000V Series Switch, you can associate Cisco vWAAS services with application server virtual machines as they are instantiated or moved in response to dynamic application load demand in the cloud. This capability enables cloud providers to offer rapid delivery of WAN optimization services with little network configuration or disruption to achieve a cloud consumption and delivery model.
• Multi-tenant: Cisco vWAAS reduces the hardware footprint needed for multi-tenant deployments.
• DRE on SAN: Cisco vWAAS offers an option to allow its DRE database to be hosted on the SAN to provide an improved fault-tolerant response and to support virtual machine mobility requirements.
• Validated sizing benchmarks on Cisco UCS servers: Cisco vWAAS can be hosted on any x86 server that supports the VMware ESX and ESXi 4.0 hypervisor. Sizing benchmarks and performance metrics provided on the Cisco UCS platform result in lower risk for cloud deployments.
For public cloud environments:
• Accelerate SaaS applications: Cisco WAAS accelerates SaaS applications, such as Salesforce.com, delivered from the public SaaS cloud. SaaS applications are typically HTTPS based and can be configured in an easy and scalable manner. In addition, Cisco WAAS Mobile can be used to accelerate access to hosted infrastructure-as-a-service (IaaS) applications delivered from the public cloud, such as Amazon.com, to remote mobile users.
• Cloud agnostic: Cisco vWAAS can be deployed in public clouds with the Cisco Nexus 1000V Series to obtain benefits similar to those for private clouds. The Cisco vWAAS solution is public-cloud agnostic.
Delivery of high-quality live and on-demand video
• Eliminate need for expensive WAN bandwidth upgrades
• Avoid complex configuration
• Centralize branch-office video servers
• Easy-to-deploy live video with edge-stream splitting: Automated edge-stream splitting helps ensure that only one video stream is downloaded over the WAN regardless of the number of users in the branch office who are viewing that stream.
• Recorded VoD: VoD files can be published using prepositioning on edge Cisco WAAS devices.
• Server offload: Live and on-demand video features offer server offload capabilities that can enable up to a 10 times reduction in the number of data center video servers.
Locally hosted branch-office IT services
• Reduce branch-office device footprint
• Deploy branch-office IT services with flexibility and agility
• Network-embedded virtualization: Third-party services can be hosted on isolated virtual blades. This architecture maintains native performance for WAN optimization while using the same hardware platform for additional hosted services.
• Virtual blades: This feature can be used to deploy many different Microsoft Windows and Linux branch-office services on Cisco WAAS Appliances within hours instead of the days or weeks often required for dedicated hardware-based deployments. Certified and supported hosted services include Microsoft Active Directory, Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), and print services using Microsoft Windows Server 2003, 2008, or 2008R2; Cisco Network Analysis Module (NAM); and Cisco Application and Content Network System (ACNS).
Note: Because Cisco vWAAS is a virtual appliance, it does not support the virtual blades feature available on physical Cisco WAVE appliances.
Simplified central management and monitoring
• Enhance usability with intuitive workflow-based management tools
• Enhance visibility through real-time monitoring of connections with application performance management
• Cisco WAAS Central Manager: This workflow-based tool manages central configuration, provisioning, real-time monitoring, fault management, logging, and customized reporting with the capability to create scheduled reports for up to 2500 Cisco WAAS devices within a Cisco WAAS topology.
• Comprehensive statistics: Comprehensive logs, reports, graphs, and statistics for Cisco Wide Area Application Engine (WAE) device functions help IT administrators optimize system performance and troubleshooting.
• Monitoring, reporting, traps, and alerts: Real-time monitoring of connections, Simple Network Management Protocol (SNMP) Versions 2c and 3, Simple Mail Transport Protocol (SMTP) authentication, and syslog are supported.
• Centralized software upgrades: Administrators can remotely schedule upgrades or version rollbacks.
• Application performance management: NetQoS SuperAgent and Cisco WAAS together uniquely provide accurate reports about end-to-end application response time and WAN bandwidth utilization.
• Easy integration with software distribution tools: Tools include Short Message Service (SMS), LANDesk, Altiris, and BigFix solutions.
• XML API: The XML API can be used to integrate Cisco WAAS Central Manager into customers' network management and monitoring systems.
Scalability and high availability
• Out-of-path deployment: Cisco WAAS can be deployed using Web Cache Communication Protocol Version 2 (WCCPv2) for high-availability clustering and N+1 load balancing for up to 32 Cisco WAAS devices within a WCCPv2 service group. Policy-based routing (PBR) is also supported as a deployment mechanism.
• Physical inline interception: Cisco WAAS appliances can be deployed transparently using a four-port network interface card (NIC) with fail-to-wire capability in the event of failure, helping ensure that network connectivity is not lost. The inline option provides high scalability and active-active failover through daisy-chain clustering.
• Cisco Application Control Engine (ACE): Cisco WAAS deployed with Cisco ACE can scale up to 16 million TCP connections and up to 64 Gbps of bandwidth, supporting the largest deployments.
• Configuration backup and restore: In the event of hardware failure, the reprovisioning and restore process can be handled remotely using the Cisco WAAS Central Manager.
• Redundant WAN link support: Cisco WAAS supports environments with redundant WAN links, redundant routers, and asymmetric routing to improve high availability and optimization efficiency.
• Data-at-rest encryption: All data on the Cisco WAAS disk is secured with 256-bit Advanced Encryption Standard (AES) encryption and automatic key management.
• Acceleration of SSL applications: Existing enterprise security architecture is preserved when accelerating SSL applications.
• Data access security: All security-related protocol commands are delegated to the file server and the domain controller. No additional domain security or user configuration is necessary.
• Management access security: The Cisco WAAS Central Manager offers authentication, authorization, and accounting (AAA) integration with external authentication providers such as Microsoft Active Directory, RADIUS, and TACACS+ and supports role-based access control (RBAC) to help ensure security.
• Network security: Cisco WAAS and Cisco firewalls secure accelerated traffic with stateful firewall inspection and network virus scanning using Cisco IOS Intrusion Prevention System (IPS). No other vendor preserves security for accelerated traffic.
Cisco WAAS offers the following licenses based on feature capabilities:
• Cisco WAAS Transport license: This license provides the WAN optimization features of Cisco WAAS, including DRE, Lempel-Ziv (LZ) compression, and TFO, optimizing application delivery to the branch office.
• Cisco WAAS Enterprise license: This license provides Transport license functions plus application-specific accelerations for protocols including CIFS, MAPI, HTTP, SSL, NFS, and Microsoft Windows print services, to facilitate application acceleration, WAN optimization, and IT consolidation.
• Cisco WAAS Live Video license: This add-on license provides wide-scale delivery of live video to the branch office across the WAN. It offers automated edge-stream splitting to help ensure that only one video stream is downloaded over the WAN regardless of the number of users in the branch office viewing that stream. This option is available only when the Cisco WAAS Enterprise license is ordered.
• Cisco WAAS Virtual Blade license: This add-on license enables local hosting of server OS and applications on Cisco WAAS appliances. This option is available only when the Cisco WAAS Enterprise license is ordered and is available for Cisco WAVE-274, WAVE-474, WAVE-574, and WAE-674 with Cisco WAAS Software Versions 4.1 or later.
• Cisco WAAS Virtual Blade license with Microsoft Windows Server Core 2008: This add-on license offers organizations flexible delivery of branch-office IT services while reducing the device footprint. The first set of certified and supported hosted services includes Microsoft Windows Active Directory, DNS, DHCP, and print as part of the Microsoft Windows Server 2008 core services. This option is available only when the Cisco WAAS Enterprise license is ordered and is available for Cisco WAVE-274, WAVE-474, WAVE-574, and WAE-674 with Cisco WAAS Software Versions 4.1 or later.
Cisco vWAAS is offered only starting with Cisco WAAS Software Version 4.3.1 and supports only the Enterprise license option. For details about models, pricing, and sizing, please contact your local Cisco account representative.
For ordering information, please contact your local Cisco account representative.
Upgrade from Cisco WAAS Software Versions 4.0 Through 4.3
Customers who have an active Software Application Support plus Upgrades (SASU) contract in place can upgrade from Cisco WAAS Software Versions 4.0 through 4.3 to Version 4.4 with no additional cost.
Web Cache Communication Protocol, or WCCP, is a free Cisco IOS Software feature that runs on the following Cisco platforms:
• Cisco routers such as the Cisco 1800, 2800, and 3800 Series ISRs; Cisco 1900, 2900, and 3900 Series ISR G2; Cisco Nexus 7000 Series Switches; and Cisco ASR 1000 Series Routers.
• Cisco switches such as the Cisco Catalyst 3750, 4500, and 6500 Series Switches and Cisco Nexus 7000 Series Switches.
Service and Support
Cisco offers a wide range of services programs to accelerate customer success. These innovative services programs are delivered through a unique combination of people, processes, tools, and partners, resulting in high levels of customer satisfaction. Cisco Services offerings help you protect your network investment, optimize network operations, and prepare the network for new applications to extend network intelligence and the power of your business. For more information about Cisco Services, see Cisco Technical Support Services and Cisco Advanced Services.
For More Information
For more information about Cisco WAAS Software Version 4.4, visit http://www.cisco.com/go/waas or contact your local account representative.