In a series of blog posts, this being the first, David Lef, principal network architect at Microsoft IT, chats with us about supporting a network as it transitions from a traditional infrastructure to a fully wireless cloud computing platform. David Lef explains the key factors and strategies involved with implementing and supporting a network infrastructure that enables modern work styles such as constant connectivity and mobile productivity.
Smart phones and tablets have given people Internet access everywhere they go, whenever they want, and that expectation naturally extends to their work environment.
For example, our customer relationship management (CRM) solution is now hosted in the cloud, so our sales people can be productive without having to connect to our corporate network. For example, there is significant variety in the operating system version across Android devices in our environment, and we had to account for how we would manage that.
Q: How do you manage resistance to adoption of new technology or processes you implement in this space? Q: What is the biggest impact on traditional network architecture from this shift and how are you addressing it?
Many of our physical sites were wired when they were built or, in some cases, were retrofitted.
A: In 18 months, most of our physical locations, with the exception of datacenters, will be wireless-first. Alt Tech Inc is a Sherwood Park based IT Consulting Company that has been responsible for the design, installation and support of computer systems and networks for the past 10 years in the greater Capital Region. Alt Tech Inc is a Sherwood Park based IT Consulting Company that has been responsible for the design, installation and support of computer systems and networks for the past 10 years in the greater Capital Region. Microsoft IT is responsible for supporting 900 locations and 220,000 users around the world. My team supports almost 900 sites around the world and the networking components that connect those sites, which are used by a combination of over 220,000 Microsoft employees and vendors that work on our behalf.
It started small, with email being the biggest request a while back—but it has expanded into all aspects of being technically connected to work resources. The whole organization is following the same strategy: internal apps and business functions have moved or are moving to the cloud, improving access and productivity for the entire organization.
The influx of mobile devices that users wanted to connect to our network and the huge number of different devices caught us a little by surprise.


We caught up primarily through intentional communication: we went out and got to understand what users wanted and how we could best implement it.
This means keeping in contact with groups that depend on us, making sure we’re aware of how the network is being used, and anticipating changes in users and technology.
There are a lot of misconceptions about cloud computing out there, and we want to make sure that we can show our users that their data and apps are just as safe, or safer, within the Microsoft Azure environment or any other cloud technology that we’re using.
We have a lot more bandwidth at the edge than before, because so much more traffic goes in and out of our corporate network with the move to Internet-facing access points for apps and portals. We want one hundred percent conversion of our information worker clients to be wireless-first. Our team of professional IT consultants and network analysts offer a wide range of small, medium, and large business computer support services to service your business like no other. David is helping to define the evolution of the network topology to a cloud-based model in Azure that supports changing customer demands and modern application designs. The change started five to eight years ago, but the change is ongoing as new technology emerges. For most of them, that means moving to the cloud on Microsoft Azure and other services, such as Office 365. Almost all of the smart devices (phones, tablets, etc.) in the marketplace are wireless-only, so we need to have appropriate wireless coverage and bandwidth to ensure that our employees can work in the way that best suits them. Different devices have different methods of access, and we had to make sure our network design provided appropriate protection for and from these devices.
In this field, a five-year plan for implementation just doesn’t make sense, because everything changes so quickly. We have a User Experiences group that’s dedicated to the relationship with our internal users, who ultimately are our customers.
Compared to the network infrastructure required to implement wireless, it’s way more expensive. Our app portfolio is constantly moving to the public side, on Microsoft Azure or software as a service (SaaS) solutions, such as Office 365.
Our goal, is to provide proper system and infrastructure designs to our customers that will ensure reliability and high system performance with ease of supportability and use.


We are responsible for providing wired, wireless, and remote network access for the organization, implementing network security across our network (including our network edges), and we ensure that the nuts and bolts of network functionality work as they should: IP addressing, name resolution, traffic management, switching, routing and so on. For others, we are implementing hybrid solutions where some of the app moves to the cloud while some of it stays on-premises in our datacenters. We support multiple methods of access across many platforms and devices, so employees can use whatever device allows them to be most productive.
When users are aware of what can and can’t be done, it reduces the number of requests that are simply impossible for us to do.
We provide opportunities to get one-on-one with members of our IT teams, and we try to proactively mitigate situations before they become a problem. If we want to expand or renovate in a physical location, wireless-first means we don’t have to provide the same level of wired infrastructure in the location that we used to. We’ve also increased security measures at the edge of our network with the increase and change in traffic, building strong firewall rules and implementing information security for incoming and outgoing traffic to prevent data loss. In 18 months, we expect to have ninety percent of our productivity apps (email, instant messaging, Office) public-facing, and seventy percent of our business apps public-facing.
We publish user tutorials called Worksmart Guides that provide education and step-by-step instructions for interacting with most of our IT touch points, and we ensure that our users know where and how to get them.
We do have a long-term strategy, though, that is supported by a three- to five-year vision. Cette division fonctionnelle ne se recoupe pas completement avec la division anatomique :. These longer term plans are at a much higher level, and it allows for things to change, technology-wise. Anatomie et physiologie du foie - Societe canadienne du cancerLe foie est l'organe solide le plus volumineux du corps.
Foie - Schema, anatomie et definition - Sante-MedecineCela fait du foie, l'organe le plus volumineux du corps humain.



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