|By Lori MacVittie||
|May 3, 2014 10:00 AM EDT||
Back in 2000 (or 2001, I forget exactly), I got to test a variety of bandwidth management appliances. Oh, they were the bomb back then - able to identify (and classify) applications by nothing more than an IP address and a TCP port. Once identified you could set quotas on bandwidth consumption and burst capabilities. It was quite the technology, back then.
But that was before applications all starting using HTTP as if it were TCP. Between the rapid ascent of the Internet as place to do business and the webification (remember when that was a thing?) of applications there are very few applications that don't rely on HTTP as their primary "transport" protocol.
What that means is that there are a whole lot of very different applications that use port 80 (or 443). You can't, by port, determine anything about that application except that, well, it's probably HTTP and definitely TCP. Is it video? It is text? Is it interactive? Dynamic? Static? An API?
Having just the IP and Port is like having a street and house number but not knowing who lives there or what's inside. You end up sending mail to "our friends at" or "current resident" because you have no clue as to who actually lives there. Your marketing and offers are general, they aren't tailored or specific, and you've no clue if you're even reaching the right demographic. Oh, your coupons are delivered, but if I don't shop at your store anyway, you just wasted several cents on me that you could have saved had you known better. And several cents times thousands (or tens of thousands) of coupon flyers is a lot of waste.
Sometimes you hit the right house and your message is well received and appreciated, it has a positive result. But it's hit and miss. More often than not, you wasted time, effort and money because you were blind.
That's how it is in the network, where reliance on TCP and port number wind up rarely hitting a home run in terms of positive impacts, and the rest of them time end up as wasted effort.
It means that services like acceleration, optimization and security must be application-aware. They must be fluent in a given application's behavior and requirements in order to apply the right policy at the right time.
Which means anything operating at TCP or below isn't able to effectively do that. It means that without application layer (L4-7) services, you're pretty much out of luck in terms of how much you can leverage the network to impact the performance, availability and security of applications.
It means L4-7 is now critical, because it's only at those layers of the network stack that visibility into an application can be achieved and only at those layers can you execute the kinds of policies and functions needed today to make data centers more efficient and secure.
It means that without application-aware (and application-fluent) services your policies and processes in the network are executing either blindly or too broadly to have a real impact on the performance, reliability or security of a a specific application. It might be application-aware, but it's not application-fluent - or driven.
SYS-CON Events announced today that G2G3 will exhibit at SYS-CON's @DevOpsSummit Silicon Valley, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. Based on a collective appreciation for user experience, design, and technology, G2G3 is uniquely qualified and motivated to redefine how organizations and people engage in an increasingly digital world.
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Aug. 30, 2015 12:00 PM EDT Reads: 258
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Aug. 30, 2015 11:00 AM EDT Reads: 166
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Aug. 30, 2015 10:30 AM EDT Reads: 428
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Aug. 30, 2015 10:00 AM EDT Reads: 331
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Aug. 30, 2015 09:15 AM EDT Reads: 437
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Aug. 30, 2015 08:45 AM EDT Reads: 337
WSM International, the pioneer and leader in server migration services, has announced an agreement with WHOA.com, a leader in providing secure public, private and hybrid cloud computing services. Under terms of the agreement, WSM will provide migration services to WHOA.com customers to relocate some or all of their applications, digital assets, and other computing workloads to WHOA.com enterprise-class, secure cloud infrastructure. The migration services include detailed evaluation and planning...
Aug. 30, 2015 08:45 AM EDT Reads: 159
The Internet of Things (IoT) is about the digitization of physical assets including sensors, devices, machines, gateways, and the network. It creates possibilities for significant value creation and new revenue generating business models via data democratization and ubiquitous analytics across IoT networks. The explosion of data in all forms in IoT requires a more robust and broader lens in order to enable smarter timely actions and better outcomes. Business operations become the key driver of I...
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Aug. 30, 2015 06:45 AM EDT Reads: 523
In their Live Hack” presentation at 17th Cloud Expo, Stephen Coty and Paul Fletcher, Chief Security Evangelists at Alert Logic, will provide the audience with a chance to see a live demonstration of the common tools cyber attackers use to attack cloud and traditional IT systems. This “Live Hack” uses open source attack tools that are free and available for download by anybody. Attendees will learn where to find and how to operate these tools for the purpose of testing their own IT infrastructu...
Aug. 30, 2015 02:00 AM EDT Reads: 407
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