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An SD-WAN utilizing virtualization techniques assisted with WAN Optimization traffic control allows network bandwidth to dynamically grow or shrink as needed. SD-WAN technology and WAN optimization can be used separately or together, [30] and some SD-WAN vendors are adding WAN optimization features to their products. [20] [31]
An SD-WAN is a WAN managed using the principles of software-defined networking. [55] The main driver of SD-WAN is to lower WAN costs using more affordable and commercially available leased lines, as an alternative or partial replacement of more expensive MPLS lines. Control and management is administered separately from the hardware with ...
WAAS combines WAN optimization, acceleration of TCP-based applications, and Cisco's Wide Area File Services (WAFS) in a single appliance or blade. It is Cisco's attempt to keep WAN optimization residing firmly in the router, eliminating the need to deploy acceleration appliances throughout the infrastructure.
There are several types of Cisco Interface Card. Cisco introduced the High Speed WIC, or "HWIC" with the x800 series of Cisco Integrated Service Router including the 1800, 2800, and 3800 series'. The HWIC interface is limited to 400 mega-bits per second bandwidth bidirectional. [2] With the ISR G2 x900 series Cisco introduced the Enhanced HWIC.
X.25 is an ITU-T standard protocol suite for packet-switched data communication in wide area networks (WAN). It was originally defined by the International Telegraph and Telephone Consultative Committee (CCITT, now ITU-T) in a series of drafts and finalized in a publication known as The Orange Book in 1976.
CDP—Cisco Discovery Protocol; CDP—Continuous data protection; CD-R—CD-Recordable; CD-ROM—CD Read-Only Memory; CD-RW—CD-Rewritable; CDSA—Common Data Security Architecture; CERT—Computer emergency response team; CES—Consumer Electronics Show; CF—Compact Flash; CFD—Computational fluid dynamics; CFG—Context-free grammar; CFG ...
IEEE 802.3 is a working group and a collection of standards defining the physical layer and data link layer's media access control (MAC) of wired Ethernet.The standards are produced by the working group of the Institute of Electrical and Electronics Engineers (IEEE).
The Vyatta system is intended as a replacement for Cisco IOS 1800 through ASR 1000 [3] series Integrated Services Routers (ISR) and ASA 5500 security appliances, with a strong emphasis on the cost and flexibility inherent in an open source, Linux-based system [4] running on commodity x86 hardware or in VMware ESXi, Microsoft Hyper-V, Citrix ...