CISCO WAAS ARCHITECTURE HARDWARE AND SIZING PDF

Please refer to WAAS sizing guidelines to size specific to customer requirements. * NME Hardware Assist for Enterprise Class Virtual. Blades . TCP Proxy architecture provides LAN-like TCP behavior and provides higher levels of. Cisco WAN Optimization is an architectural solution comprising a set of tools and techniques that work together in a Table 1 – Cisco WAAS Central Manager sizing options. Device .. of the chosen hardware form-factor. All connections are . Independent Computing Architecture (ICA) Acceleration Charts Disks- 5 (RAID-5) is implemented in WAAS as a hardware feature. RAID-5 devices can . Complete the sizing phase that includes the following tasks.

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The WAE model is end-of-life and is not covered in this section; however, its wizing and scalability metrics are covered in this chapter to support those who have already deployed these devices in their networks and wish to continue using them with WAAS v4. The Cisco WAE model WAE is a dual quad-core rack-mount system eight processors that is designed for deployment in the largest of enterprise data centers and under the most demanding conditions.

When a classifier match is found, the ATP examines the policy configuration for that classifier to determine how to optimize the flow.

Licensing > Cisco WAAS Architecture, Hardware, and Sizing

Sample Chapter is provided courtesy of Cisco Press. Any appliance model can be used as a core data center or edge branch office device, although performance and architectufe recommendations presented in this chapter must be followed.

By following the recommended guidelines for performance and scalability, a robust Cisco WAAS design can be realized, thereby allowing administrators to deploy the solution confidently to improve application performance over the WAN while enabling centralization and consolidation of costly infrastructure.

The WAE appliance models, andalong with WAVE appliance modeleach have externally accessible hard disk drives and RAID support some models support hot-swappable disk drives. Cisco WAAS is a software component that is resident on a hardware device deployed at each location with users and servers. Keys are stored in the Central Manager database which can be encrypted and synchronized among all Central Manager devices for high availability.

NOTE The WAE model is end-of-life and is not covered in this section; however, its performance and scalability metrics are covered in this chapter to support those who have already deployed these devices in their networks and wish to continue using them with WAAS v4. This breadth of portfolio provides customers with the flexibility necessary to allocate the right platform for each network location where WAN optimization, application acceleration, and virtualization capabilities are needed.

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Chapter Description This chapter provides an introduction to the Cisco WAAS hardware family, along with an in-depth examination of the hardware and software architecture. WAE devices provide only WAN optimization and application acceleration and do not provide virtualization. As flows are intercepted by the WAAS device and determined to be candidates for optimization, those flows are handed to the Application Traffic Policy ATP engine to identify what level of optimization and acceleration should be applied based on the configured policies and classifier matches.

The Video license is commonly applied in conjunction with the Enterprise license. This license dictates what features are permitted to be configured on the device.

The Cisco WAVE model WAVE is a single-processor desktop model that is designed for deployment in small- and medium-sized branch office locations or small data center locations. Cisco WAAS also supports architeecture definition of up to four syslog servers, which can be used as alarm recipients when syslog messages are generated.

The WAE is a hybrid device that is commonly used for larger branch offices and those where virtualization is requiredbut architeccture equally well as a data center device where virtualization is not used. This association is done by comparing the packet headers from each flow against a set of predefined, administratively rachitecture, or dynamic classifiers, each with its own set of one or more match conditions.

Figure shows how the ATP engine interacts with a flow and a particular policy. This should not imply that the device characterization presented is fixed; devices should be placed in locations according to performance and scalability sizing and feature requirements.

It also looks at the licensing options sizinv Cisco WAAS, positioning for each of the hardware platforms, and performance and scalability metrics for each of the platforms.

These include disk encryption, Central Management Subsystem CMSinterface manager, reporting facilities, network interception and bypass, application traffic policy ATP engine, and kernel-integrated virtualization services, as shown in Figure This chapter also looks at the licensing options for Cisco WAAS, positioning for each of the hardware platforms, and performance and scalability metrics for each of the platforms.

Each WAAS appliance has expansion slots to support one or more additional feature cards, such as the inline bypass adapter, which has two two-port fail-to-wire pairs.

When the hard disks are encrypted, loss of the key renders data on the disk unusable and scrambled. The Cisco Cisco WAE model WAE is a single quad-core rack-mount system four processors that is designed for deployment in large enterprise data centers. The Cisco WAE model WAE is a dual-core processor rack-mount system that is designed for deployment in medium-sized branch office locations or medium-sized data center locations.

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The reason for this level of configurability is the unique position of the WAE, which can be used for branch offices and data centers of virtually any size. It also looks at the licensing options for Cisco WAAS, positioning for each of the hardware platforms, and performance and scalability metrics for each of the platforms.

Each Cisco WAAS device, regardless of form factor, is configured with some amount of hard disk storage and a compact flash card. Additionally, the Enterprise license enables support for disk encryption and NetQoS integration.

Hardware Family > Cisco WAAS Architecture, Hardware, and Sizing

The Cisco WAE model WAE is a quad-core rack-mount system that is designed for deployment in large branch office locations or medium to large data center locations. In either configuration, the WAE can provide full WAN optimization and application acceleration capabilities, but does not support virtualization. Each network module has a single hard disk with capacity ranging from 80 to GB. Summary The Cisco Wide-Area Application Engine family includes three network modules for the Integrated Services Router and six appliance models spanning two desktop models and four rack-mount appliance models.

The WAAS VB architecture helps enable customers to further consolidate infrastructure by minimizing the number of physical servers required in the branch office for those applications which are not good candidates for centralization into a data center location. With two drives, the system is configured automatically for software RAID Qnd Cisco Linux platform is hardened to ensure that rogue services are not installed and secured such cisvo third-party software or other changes cannot be made.

Sample Chapter is provided courtesy of Cisco Press.

Settings configured in the policy are employed in conjunction with one another. The distinction between the two is that a WAVE device, available only as an appliance, can also provide branch office virtualization services in conjunction with WAN optimization and application acceleration. bardware

Cisco WAAS Architecture, Hardware, and Sizing

The ATP also notes the application group to which the classifier belongs to route statistics gathered to the appropriate application group for proper charting visualization and reporting.

About Affiliates Cisco Systems, Inc. Additionally, the increased memory configuration provides support for a greater amount of WAN bandwidth and optimized TCP connections.