[LINK] McCrann calls on Latham to gazump Howard on Telstra
foconno1 at bigpond.net.au
Mon Feb 23 16:19:13 EST 2004
At 2:54 PM +1100 23/2/04, David Lochrin wrote:
>At 11:29 AM 23-02-04 +1100, Frank O'Connor wrote:
>>2. Future network carriage standards (and I'm thinking numbers like
>>WiMax - 802.16 and the like - in particular) seem to mean that the
>>'network' will change somewhat radically over the next few years
>>... favouring big telcos like BT, AT&T and the like who can pipe
>>bandwidth to Oz over relatively cheap sub-sea fibre and extend
>>their network coverage using 'the airwaves' rather than the optic,
>>co-ax and twisted pair that's already in the ground and served by
>>the expensive exchanges.
> There's much arm-waving about wireless networks, however setting
>up a wireless hotspot in a local area (an airport waiting lounge,
>for example) is a radically different proposition to servicing a
>whole suburb at reliable ADSL-like data rates. I don't think that's
>even on the horizon.
See the article I just forwarded to LINK on BT running just such a
The bottom line is that 802.16 in all its variants is designed to do
>>Exchanges may go 'the way of all things' with IP telephony ... and
>>mega 802.16 router/bridges could provide coverage over extensive
>>areas (30 mile radius or more for each.) In other words ... the
>>initial investment for network providers will drop radically, many
>>more players will enter the market, and a lot of existing network
>>infrastructure will be effectively obsolete and unable to compete.
> Again, setting up a VoIP connection between two 'phones or even
>within an organisation is quite a different thing to replacing the
>whole POTS telephone network with VoIP. Quite apart from issues
>concerning directories, QoS, standards, and so on, the POTS network
>is just one user of the existing SDH transmission network and that
>would have to remain.
That's (QOS I mean) a network layer problem ... which I believe IPv6
addresses quite well.
More information about the Link