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Saturday, May 3, 2008

Some DSL Broadband Definitions

Often too many people get confused with all the definitions, here we have explained in easy to understand terms.

ADSL:
Asymmetric Digital Subscriber Line - asymmetric meaning it's faster downstream than upstream.

ASAM:
Advanced Services Access Manager -Whether you have a DSLAM or ASAM in your exchange doesn't really matter. They do the same thing. See DSLAM's as well.

ATM:
Asynchronous Transfer Mode - a method of encapsulation which is capable of many virtual circuits. With these, providers (ISP's) can split an ATM connection (155Mbit or 622Mbit) up into many connections. ATM isn't just used for DSL but in the case of DSL it's used to provision each customer.

Contention Ratios:
A contention ratio is the number of users to xMbit of bandwidth. For example some providers offer 2Mbit DSL, with a ratio of 50:1, meaning 50 users to 1Mbit of bandwidth.

CPE:
Customer Premises Equipment, the term that describes the equipment used on the customer end of a connection, for example your DSL modem/router or cable modem.

DSL:
Digital Subscriber Line.

DSLAM:
Digital Subscriber Line Access Multiplexer ?They are placed in DSL enabled Telecomm exchanges, when your modem syncs up and the DSL light comes on, it means you are connected. When data travels down your connection, it goes from the CPE -> DSLAM -> RAN -> ISP

ERX:
Edge Routing Exchange. See RAN.

IPNet:
Telecommunications backhaul networks for carrying traffic from the customer to the ISP, i.e. carrying traffic from RAN's to ISP's.

Ping or Latency:
A ping measures the time in milliseconds that it takes for a packet to travel from your computer to a remote computer and back to you again. Just because you can't ping a given host, quite a lot of providers are beginning to filter ICMP (pings come under this protocol) traffic because it is commonly used to attack hosts and wastes a lot of bandwidth. Many providers also give low priority to ping (ICMP) traffic which may mean your ping at a command line isn't very good, but in say a game, things may be fine.

RAN:
Regional Access Node These aggregates many DSLAM's connections and then feed the data to an ISP

RTT
Round Trip Time - the time it takes in milliseconds for a packet to go from A to B and back again. See ping.

SDSL
Symmetrical Digital Subscriber Line - symmetrical meaning the same speed up and down.

Units

There is a major difference between UPPER and lowercase

MB = MegaBytes
Mb = Megabits
kB = KiloBytes
kb = Kilobits

MB/s = MegaBytes per second
Mb/s = Megabits per second
kB/s = KiloBytes per second
kb/s = Kilobits per second

There is 8bits to a Byte, 8kb = 1kB

1Meg connections only transfer at 128kB/sec or an 8Mb connection only transfers at 1024kB/sec or 1MB/s

Steve
Private Mail Services
http://www.private-services.com

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Sharing Couldn't Be Easier - How Windows Sharepoint Services Will Benefit Your Small Business

Sharing of business data in small business used to be a nice thing to have; however in todays business environment it is rapidly becoming a necessity in order to compete in the marketplace. Never has the demand for collaboration inside your small business, across multiple locations, geographic regions or with partners and clients been needed as it is today. Many small businesses continue to struggle with the concept of collaboration and how to do it effectively.

When collaboration in the workplace occurs effectively, productivity inside the business skyrockets, suddenly you can do more with fewer resources, both human and technical and the workforce is happy because they can work from virtually anywhere. The flipside of effective collaboration is exactly the opposite, productivity goes way down, dependence on technology support skyrockets, and the added cost is reflective in your human capital and expenses. Your team becomes frustrated and even may leave your firm when the tools are not available to do their jobs effectively, wherever and whenever they need to perform their tasks.

Introducing a new way to share business data! It is not that new actually; Windows SharePoint Services is starting to catch on in the small business market, larger corporations have been using document management systems for quite some time. Just like having your email hosted in house took a little time for the small business market to embrace, now SharePoint Services is making its way into the SMB market.

The added value of SharePoint Services is that many small businesses already own the solution; they just dont realize that they do. Windows 2003 Server or 2003 Small Business Server have SharePoint Services included, however many businesses never implement it, this could be the result of poor IT services or just a lack of awareness of the solution and the power it brings. Small Business need strong outsourced IT services that will introduce new solutions like SharePoint Services to them and help them to understand how these new solutions will benefit them and their business.

How can your small business get ready for Windows SharePoint Services?

?First of all, it is important for small business today to be on the same page and moving in the same general direction, without this, no technology solution will ever work. Your team needs to be on the same page as the management and understand the companys end goals and value proposition, once you have this done, then you can begin to mold a technology solution to meet your business needs.

?SharePoint Services is a tool to enhance collaboration in the workplace. In order to have the technology work for your business, you need to foster an environment that promotes collaboration. Without this environment, no technology tool will ever work. Business owners today need to make sure that the lines of communication inside their business are flowing in both directions.

?Once you have your people factors settled, then the technology can be allowed to enhance that. Still in this day, many people are nervous about what technology can do. The younger workforce has been collaborating and using technology for quite some time, however many people that have been in the workplace for a while, have concerns about technology. The message in your firm needs to be that this technology solution will aid in the employees overall success and when we are all successful, the company is successful.

Windows SharePoint Services offer some of the following benefits to a small business:

?Document Libraries are repositories for your team to work together on documents, spreadsheets, presentations and whatever else you need to work on. Inside the document libraries you can secure your information and set rights on what people can do or see, control document versions plus so much more.

?Shared calendars are available inside Windows SharePoint Services where you can post corporate events, important dates, meetings or whatever calendar information you need to post. With the calendar and many other features inside SharePoint you can also view this information inside your Microsoft Outlook application on your desktop.

?Has anyone on your staff missed an important meeting? With SharePoint you can put announcements right on your main page, so that everyone can see what is happening in your business. New product launches, important information or any other announcement that you may have in the past, broadcasted out via email to your entire team.

?Have online feeds sent right to your SharePoint site. SharePoint can link into any RSS feed service. This is great if you want to show items such as road reports, weather conditions, stock prices and any other information you need to see when released. SharePoint will become the portal for your small business to get the information you need.

?Another powerful tool inside SharePoint Services is the ability to control workflow process. Does your business suffer from workflow challenges? How does your business suffer when your team skips steps in the process? What if you had a tool that would increase productivity and results by managing workflow? Would your business prosper?

The most important tip to a successful implementation of Windows SharePoint is to keep it simple. SharePoint needs to slowly introduced to your team, include them in the implementation and planning of your site, promote buy-in from all departments in your business. When the entire team is involved, your rollout and adoption of SharePoint Services will be a success.

There are many additional benefits to Windows SharePoint Services; I encourage you to visit the Microsoft SharePoint website. Also, a strong information technology consultant can provide you with additional information on the benefits of SharePoint Services to your small business.

SharePoint will be the way files and information is stored in the future, dont delay, understand how this new technology will affect your small business, prepare for the future, provide the tools for your team to become successful. Do more with less and watch your small business explode.

Stuart Crawford is the Director of Business Development for IT Matters Inc., Calgary, Albertas award winning Microsoft Small Business Specialist. He can be reached at scrawford@itmatters.ca or via their website http://www.itmatters.ca IT Matters is a leader in the Calgary marketplace with Microsoft Windows SharePoint Services.

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