Tuesday, November 5, 2013
Friday, March 22, 2013
WAN Hardware, WAN Optimization, WAN Bandwidth Management
WAN Optimization
http://www.wanoptimization.org
Wide area network (WAN) optimization is an most important part of any business network strategy. Whether you are trying to improve branches performance or appliances a cloud computing solution for your Head Quarters, using wide area network (WAN) optimization techniques like Web caching, wide area file services (WAFS) and bandwidth management will reduce the size amount of data you send over the cable and improve the efficiency of your network.
What is WAN Optimization?
http://www.wanoptimization.org
WAN optimization speeds up performance and gives you control over what’s on your distributed network. Poor performance of critical applications causes user productivity to
plummet and hurts your market competitiveness — bad news for the bottom line.
plummet and hurts your market competitiveness — bad news for the bottom line.
WAN optimization is about maximizing the performance of business applications over your distributed network — having the visibility to classify and prioritize applications, the
ability to accelerate what is important to your organization, and the layered defenses to protect users and information
ability to accelerate what is important to your organization, and the layered defenses to protect users and information
The business benefits of optimizing your WAN are many:
- Increased productivity: When users get their applications and data quickly, they work more efficiently.
- Decreased cost: Prioritization of applications and traffic
reduces WAN usage, decreases bandwidth consumption,
and saves cash. - Regulatory compliance: Store critical data safely at the
data center.
WAN Traffic: The Need to Classify and Prioritize
http://www.wanoptimization.org
You know what kind of traffic you want flowing on the WAN: e-mail, file transfers, and other business-critical applications. But your network probably has a lot more on it than the good stuff. Personal Web surfing and big downloads — whether unauthorized or legit — translate into poor network performance.
Heavy Web traffic and tons of file downloads can elbow aside critical applications. You need the ability to optimize and secure the flow of information to any user, wherever they are
Enterprise Application Types
Different kinds of applications require different management issues and acceleration strategies. Here are some applications that typically make up WAN traffic:
Files (e-mail and backup): When file access and e-mail lags, so does your business. Make sure that users can receive and respond to e-mail messages or access files in a timely manner — and that means right away. Similarly, data backups must happen smoothly and speedily.
Web and SSL: More and more applications — from ERP and CRM to e-mail, Sharepoint.Intranet applications, and new SOA apps — use HTTP and HTTPS transports.Web and SSL require application-level insight that ‘knows’ objects and that can safely manage certificates.
Rich media: Powerful applications that incorporate voice, video, animation, and other media pack a punch in terms of productivity, but they also munch a lot of bandwidth.
External applications: SaaS applications need to perform as well as traditional software. At the same time, you need to watch out for external recreational apps.Real-time applications: When the home office is having a video conference with several branch offices, the conference should be clear and smooth and really in real time. Often, though, other network traffic may shove aside the conference, resulting in frustrating, less-than-optimal performance.
Enterprise Application Types
http://www.wanoptimization.org
Different kinds of applications require different management issues and acceleration strategies. Here are some applications that typically make up WAN traffic:
Files (e-mail and backup): When file access and e-mail lags, so does your business. Make sure that users can receive and respond to e-mail messages or access files in a timely manner — and that means right away. Similarly, data backups must happen smoothly and speedily.
Web and SSL: More and more applications — from ERP and CRM to e-mail, Sharepoint.Intranet applications, and new SOA apps — use HTTP and HTTPS transports.Web and SSL require application-level insight that ‘knows’ objects and that can safely manage certificates.
Rich media: Powerful applications that incorporate voice, video, animation, and other media pack a punch in terms of productivity, but they also munch a lot of bandwidth.
External applications: SaaS applications need to perform as well as traditional software. At the same time, you need to watch out for external recreational apps.Real-time applications: When the home office is having a video conference with several branch offices, the conference should be clear and smooth and really in real time. Often, though, other network traffic may shove aside the conference, resulting in frustrating, less-than-optimal performance.
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