13 August

iBurst covers Langeberg Ridge and Walmer

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IburstToday, if you live in the Langeberg Ridge area in Cape Town, you can now get iBurst Wireless Broadband. This new base station extends the coverage of Cape Town’s northern suburbs and adds to the coverage in Kraaifontain.

Walmer in Port Elizabeth also gets a boost today, with extended coverage. Check out the coverage maps below.

Langeberg Ridge iBurst Coverage Walmer PE

13 August

iBurst covers Sun City

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IburstTraditionally known as a paradise of leisure and relaxation, Sun City is increasingly popular as a business destination because of the many facilities conducive to business that it offers. Wireless broadband provider iBurst has added to Sun City’s business attractions with the switching on of a base station providing subscribers with speeds many times faster than dial-up.

So if you traveling to Sun City dont forget to pack your iBurst modem and enjoy the benefits of wireless internet from the comfort of your room, or even the pool.

This reminded me of one of the great benefits of iBurst, you can have 2 modems online while only paying one subscription fee. Many small business owners are now using iBurst to connect their office and purchasing a second modem to use while traveling, or at home.

08 August

Netblocks explained

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IfconfigToday we had a client query how many IP Address’s they had allocated to their Colocation cabinet. We explained that they had a /29 allocation, with 8 IP Addresses. The confusion came in when we told them only 5 were usable. For an explanation on how IPv4 Subnetting works, and how IP Address space is allocated check out this useful table explaining IPV4 Networks.

So why only 5 usable addresses on a /29 allocation when 8 are available?

This is because 1 is used for Broadcast, 1 used for Network and another is used as your Gateway IP address.

Below is an explanation of a Class C allocation, showing “Number of Hosts” as the theoretical number of usable IP addresses, however you always need to minus 1 for your Gateway IP address on our network.

Class C
Network Bits Subnet Mask Number of Subnets Number of Hosts
/24 255.255.255.0 0 254
/25 255.255.255.128 2 (0) 126
/26 255.255.255.192 4 (2) 62
/27 255.255.255.224 8 (6) 30
/28 255.255.255.240 16 (14) 14
/29 255.255.255.248 32 (30) 6
/30 255.255.255.252 64 (62) 2

06 August

SuperDSL – new ADSL shaped & unshaped packages

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Over the last few months we have been beta testing our new SuperDSL service. The new ADSL offering uses the Saix backbone and allows RSAWEB clients to easily setup more cost effective ADSL accounts. Our existing ADSL products are now called PremiumDSL and will continue as before.

We have also completed a brand new interface upgrade in MYRSAWEB for SuperDSL that boasts the following:

  1. Better bandwidth graphs
  2. Notification options
  3. Top up bandwidth
  4. Port locking

The new interface has been enabled on all SuperDSL packages and will be rolled out to PremiumDSL later this month.

You can now order all SuperDSL and PremiumDSL packages from within MYRSAWEB.

Some screenshots:

ADSL ManagementADSL GraphADSL History

06 August

iPhone therfore I am

0 Comments, posted in News,Tech

RSAWEB on iPhoneOn June 29 I gave a presentation at the Bi-Annual White Wall Web conference on the iPhone, and how it will change the face of web applications. Since then I have traveled to the US to play with the iPhone and thought I would document my findings.

Firstly for all of you who haven’t heard of the iPhone – Where have you been? If you don’t know all the facts and need more info, roll your mouse over to this review.

I was in the US last month meeting with a startup in LA that we plan to partner with in the future. While the meetings went well a small shiny black device in one of their sales guys hands caught my eye. He too was an Apple Fan boy and hadiPhone store run out and purchased the iPhone. This inspired me to take one for a test drive, so I made the pilgrimage to the Apple store in Cherry Creek, Denver. The store is a monument to all things beautiful and all things Apple, and was fully immersed in the iPhone hype. Every wall is covered in iPhone pictures and every Apple computer on Demo has a working iPhone attached. I played to my hearts content and chatted to the Apple employees who were ever so keen to tell me how uncle Steve had given them all one on the launch day.

So what did I notice about the iphone, that is not clear in the online reviews:

  1. Its smaller than I thought.
  2. Its lighter than I thought.
  3. The web browser rocks, and is far better than the IE on Windows Mobile. Most websites rendered 100%, see the RSAWEB website on the iPhone below.
  4. A new user can learn the key strokes easily and even my technology challenged father got the hang of it.
  5. Its intuitive and the applications are easy to work out and use.
  6. The touch screen really works and the zoom/drag/etc touch features are easy to master.
  7. Its beautiful!

Rob on iPhoneSo the iPhone begs the question,

Will you change your Service Provider just to get the iPhone when it hits SA shores?

Will you pay the premium it commands over lesser mere mortal phones?

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