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Anywhere, Anytime Mobile Enterprise Access Using NFV and Policy

 Maywun Blog_25NOV2015I remember when I started working, laptops were something that executives could borrow from the company.  Those laptops were clunky and connected via dial-up to the company’s modem banks, but they allowed us to continue to stay productive even when we traveling to visit customer sites.  Over time, laptops became more prevalent, allowing us to work from anywhere with the click of a simple virtual private network (VPN) client and an Internet connection.  And now, that VPN client is available on mobile devices to enable me to connect from anywhere, at anytime, on any device.

Enterprises are taking the next step beyond VPNs and are purchasing dedicated mobile network services from their Mobile Service Provider partner.  With the emergence of such private enterprise virtual mobile networks and the increased prevalence of hetnet services offerings (corporate Wi-Fi, community Wi-Fi, and cellular), Cisco Policy Suite, with such capabilities like access selection, can be delivered in such virtual corporate networks.  Therefore, corporate devices and private devices can always benefit from always-best connected experiences.   Any enterprise-issued device can easily connect to the enterprises’ mobile network and access internal information and applications quickly and securely, and with the appropriate Quality of Service in line with their SLA with the Mobile Operator.  At the same time, employees can purchase their own device, following the trend of bring your own device (BYOD) and connect to the private mobile network using a VPN client and an access network discovery and selection function (ANDSF) client.  Read More »

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Just Say No to SLAs

Just say NO to SLAs

Most of you who’ve either purchased or delivered cloud services have been asked for an SLA (Service Level Agreement). I’ve seen SLAs that can be measured on inches of paper.  Why so big?

Just consider getting 10 people in a room and trying to write down the definition of what it means for an application to be down:

  • Do you mean a partial outage?
  • What if only one iPad can access the application, is the application up?
  • What if it’s down for one minute in the middle of the night? Is it down?

Now let’s imagine adding our lawyer friends into the mix to write in English our definition of application outage, and then discuss the terms of a penalty payment. If you do this, you’ll quickly see the contract getting thicker and thicker.

SLAs are an anachronism. They come from the day of companies using Model 3 and outsourcing. This means handing over all of your computers and staff to another company, so they can take over your mess and do it for less.

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Software Defined Networking for Service Providers: Data Center Fabric Analogies breakdown in the WAN

Lately I’ve been seeing some industry people trying to apply the principles of data center network fabric models to their Wide Area Networks (WANs), and implying that such can be extended through service provider WANs.  Data center fabrics and WANs are horses of very different colors with way too many differences for these perspectives to hold up.

Fundamentally they are different beasts with one more easily tamed than the other.   Data center networks generally have well known end points and well-ordered designs.

Multi-tenant Data Center Designs

Bandwidth within data centers is virtually unlimited relative to WAN bandwidth.  It is much more stable and constrained in its characteristics when it comes to things like latency, loss, jitter, capacity, restoration capabilities – all of which have significant influence on WAN services delivery.  The same data center network assumptions exist between each of the end points, which makes fabric modeling for data centers generally a good approximation and thus possible to use.

Some private WANs that interconnect data centers may align closely enough with a fabric model, making it a good enough approximation.  But this is a unique case and is essentially Read More »

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Network Service Providers Can Compete and Win in the Cloud

If you’ve been following the research from Cisco’s Internet Business Solutions Group, you may have already seen the survey on Service Providers and their viability in the Cloud at the end of last year. Yesterday I was preparing for a customer briefing when this report came to mind and I thought it may be useful to summarize the high points if you haven’t read it yet.

The custom research found that Network Service Providers have an advantage when offering Cloud services if they use their unique assets to differentiate their services. Over-the-Top (OTT) players may have seen success in offering plain vanilla Infrastructure as a Service at large scale and low prices but the opportunity for supplying the high-end and high-value spectrum of Cloud services is still underway. You will probably agree with me that security is critical for any service these days. It is a challenge that requires proper design and planning and proper vigilance and quick responses are what differentiate the winners from the losers. Cloud is a large market in the midst of a transition and it will be fun to watch how everything plays out, I’m placing bets on the Service Providers to scoop up a valuable share of the ~$43 billion XaaS market by 2013. Read More »

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Cisco Assurance Services for IP NGN: Improve Network Performance and Agility

It’s clear that service providers today face unprecedented business challenges. The network must deliver more for less – support higher performance and enhanced services, reduce maintenance overhead and outages – while meeting ever-increasing customer demands. Cisco Assurance Services for IP NGN helps you face these challenges. View this demo to learn how to you can achieve operational excellence, improve network availability and performance, and reduce costs.

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Cisco Assurance Services for IP NGN delivers:

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