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Extending Zeroconf Services: Cache Tuning

Introduction

With the introduction of Cisco mDNS Service Discovery Gateway in IOS, customers that have implemented the solution are observing client behavior they haven’t seen prior to extending services across subnet boundaries. One of the effects is the duplicate name issue seen when devices with enabled services are moved from one L3 subnet to another L3 subnet and these two subnets happen to be connected to the same router/switch running the Service Discovery Gateway (SDG).

Background

When devices (like a Mac OS X computer) offer a service such as Remote Login (SSH) or Screen Sharing (VNC), they will announce these services using mDNS/Bonjour/Zeroconf using their hostname as configured in ‘System Preferences -> Sharing -> Computer Name’ (see Fig. 1).
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Emerging Markets Are Upbeat on Cloud

The sweeping changes driven by cloud and the Internet of Everything (IoE) are upending traditional models of IT consumption in dramatic ways.

In order to shed new light on these trends and their impact on IT, Cisco® Consulting Services (CCS), in partnership with Intel®, conducted a wide-ranging study. We explored the powerful changes affecting IT consumption at all stages — how businesses plan, procure, deploy, operate, and govern IT services. We also focused on the ways in which lines of business (LOB) — human resources, sales, and other areas that are end users of IT — are altering overall IT consumption.

Some of our most striking findings related to the differences in perception between developed and emerging markets. The “Impact of Cloud on IT Consumption Models” study surveyed 4,226 IT leaders in 18 industries across nine key economies during March and April 2013. For our purposes, “emerging markets” included Brazil, China, India, Mexico, and Russia,; developed markets were represented by Canada, Germany, United Kingdom, and the United States.

In all markets, cloud is overwhelmingly seen as a good thing. Despite the challenges and added complexity that cloud brings to IT organizations,
a strong majority feels that the business upsides outweigh the negatives. For example, 83 percent of respondents believe that cloud will positively impact IT planning. In addition, 81 percent see a positive impact from cloud on “IT funding and procurement.” Similar percentages apply across all other IT consumption lifecycle stages.

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How We’re Making It Easier to Do Business With Cisco

The We’re Listening blog series has tracked some of the new programs and capabilities Cisco is introducing to make it easier to do business with us. The corporate Ease of Doing Business (EoDB) Program drives many of these improvements, so I’ve invited EoDB executive lead (and Cisco EVP of Operations) Randy Pond to discuss some of the accomplishments and upcoming plans that will make it easier for our customers and partners to do business with Cisco.  Among those are:

  • Improvements to software licensing, including big changes to the product license registration page that allow customers to complete more self-service licensing transactions, and the roll out of the new Cisco Software Central portal, a one-stop shop for all your software licensing needs
  • Creating a more consistent negotiation and deal approval process globally
  • A renewed focus on our partners’ experience
  • Stronger focus on the role of User Experience design and philosophy in every Cisco product, policy, and process.

pond_crop By Guest Contributor Randy Pond

We’ve made it no secret that Cisco aims to become the #1 IT company. And while our development teams are hard at work to bring you exciting new technological offerings in software, cloud and security, there’s another critical piece of the equation – delivering an exceptional customer experience. This is a huge priority for John Chambers and the entire leadership team, and it boils down to consistency and simplicity. Over and over again, I’ve heard customers say that doing business with Cisco can be a mind-warp of changing policies, too many steps and new obstacles to deal with. This has to change. Today, we have teams across every function at Cisco concentrated on finding and making the changes that will have the biggest impact on your customer experience. Read More »

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Connectivity Transforming the World

Cisco Champions ask Challenging Questions.  This is the first in a blog series presented by Carlos Dominguez and Jimmy Ray Purser.

I recently had an opportunity to sit down with our Cisco Champions to discuss a range of topics about the future of technology.  Here’s a question of particular interest from Robert Novak:

“How can we use modern technology to serve the less tech-fortunate?  I’m pretty happy with 70+ mbit of Internet coming into my home. But there’s still a lot of the country and the world wishing for 1mbit. Can mesh technologies provide a greater Internet safety net for people outside tech hubs? Can we combine this with device connectivity and give people a transparent Internet connection that’s as easy to manage as the refrigerator that connects to it, or something like that?”

We live in amazing times. The world is being “rebooted” and changed exponentially through technology – with the most disruption occurring through the power of connectivity. The speed of change in connecting people, data, processes, and things continues to grow at an unprecedented rate. Consider that only 10 years ago, there was no social media… and 10 years before that, we didn’t have the Internet…and web programming and mobile technologies didn’t even exist 20+ years ago!

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Two Cisco Blogs Named to StateTech Magazine’s “Top 50 Must-Read State and Local Government IT Blogs!”

The Cisco Government Blog and the Cisco Internet of Everything (IoE) Blog were both named to StateTech Magazine’s “Top 50 Must-Read State and Local Government IT Blogs.” This is a crowd-sourced list, where blogs were submitted and voted on, with the most useful and insightful blog sites for state and local government IT leaders making the top 50. So for those of you who voted for our blogs, thank you!

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