clear sighted transparency - transparent optical networks
DESCRIPTION
Today's networks mirror their electric telegraph and telephone forebears with working practices, building/facility locations dictated by a copper past. Many of the latest optical networks still utilise old planning and design rules, but Transparent Optical Networks offer new opportunities to break the legacy with direct links between countries, islands, cities, towns and villages. They also offer future proof solutions devoid of 'bandwidth blocking' electronics, and very often, do not require optical amplification. The attendant energy demands and reliability risks associated with electronic transmission and switching are also displaced by 'optical only signals' of a hybrid (analogue-digital) form. The operational opportunities and economic gains of TONs combined with non-linear optics cannot be overstressed as they eclipse anything and everything that has gone before.TRANSCRIPT
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Clear SightedTransparency
Peter Cochrane
COCHRANE a s s o c i a t e s
cochrane.org.ukca-global.org
Thursday, 5 July 12
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Some things are inherently complex... ...and some things are made complex by us!
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Networks of all kinds naturally exhibit complexity ...of interaction, behaviours and outcomes!
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Networks of all kinds naturally exhibit complexity ...of interaction, behaviours and outcomes!
Interconnection of yeast proteins
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Complexity rapidly leads to non-linearity... ...with emergent behaviours...and we have
no real idea what is going to happen!
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We have no generalised math framework for dealing with non-linearity...and it may be
fundamentally beyond our capacity!
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Our systems and networks will increasingly surprise us if we
continue on the current trajectory !
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Although we fully understand layered complexity does not solve the problem, we mostly continue to build more layers in the hope that it might...
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Axiom: We are building a global nightmare of over-complex systems at a computing, networking, fixed,
mobile, machine and human level !
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Economic and trading markets are prime examples of uncontrolled and misunderstood complexity!
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This is not ‘rocket science’, but it is complexity compounded by greed.......
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Digital Failures
•Always abrupt•Mostly avoidable•Often caused by people•Unanticipated mechanisms•Increasingly life threatening•Dominantly very expensive•Reputationally damaging/fatal
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We m
ust er
adica
te
as muc
h of th
is
from th
e netw
ork
as we c
an
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Strange attractors that bring down networks today... .....and tomorrow...
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Strange attractors that bring down networks today... .....and tomorrow...
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Strange attractors that bring down networks today... ..and tomorrow...
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Dumbindustry
solutions like MPLS,
FTTC, +++are a result
of unthinking short termism
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Confusion is rife, complexity growing, and a wireless future can’t do it all...
.. everyone of these needs a transparent optical fibre connection
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If we started from a clean sheet:- 180km between repeaters not 40km- 30k people instead of 160k- 60 switches not 7000- Gbit/s not Mbit/s
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Fibre rich networks instead of fibre sparse - no TPON, GPON, BPON, XPON...- PONS made sense when fibre was 30p/m- But now it is 1p/m they are irrelevant and far too complex- They are also bandwidth limiting- A ‘dog’ to manage- And reduce reliability
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By the same token say goodbye to blown fibre...
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WDMA instead of TDMA...
...amplification instead of regeneration...
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IP over WDM...Ethernet...
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Remove coding to reduce latency, lower cost, improve reliability and improve performance...
- Compressing signals to save bandwidth is old thinking- Bandwidth is cheap and near infinite- Coding is expensive
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We have to leave this legacy behind...Thursday, 5 July 12
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We need to push complexity to the periphery and keep the network ‘essentially simple’...
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If we do not, this world will not be realised in the way we would like!
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We can only......what the future holds...
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But we do know it will be mobile and it will eat bandwidth, lots of bandwidth...
A transition of < 70 years
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IP over WDM...Ethernet...
The expectation is anything and everything, anytime, anywhere, any format...instantaneously!
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And this has to be global......to be reliable and resilient, it will also be relatively dumb !
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Thank Youwww.cochrane.org.uk
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