@PTCouncil#PTC17
Operator Challenges in SoftwarizingNetworks & Systems
Topical Session 6: Emerging Technologies: Battle of the ‘Broad’ Bands
17th January 2017
Anuradha Udunuwara
@AnuradhaU
@SriLankaTelecom1
Relative popularity of terms
• SDN ~ 112 M
• NFV ~ 18 M
• Softwarization ~15,000Source: Google search engine on 16th January 2017, 2145 Hawaii time
Cloud Computing, SDN, NFV can be seen as different expressions of an
overall transformation which is going to impact Telecommunications and ICT
industries. This trend (sometimes called Softwarization or IT-zation)….
2
Softwarization is the answer, but what is the question?
Time
Traffic
# customers
Cost
Profit
3
Legacy /
TDMIP / Ethernet Softwarization
OGN NGNSGN
(vNGN)
CSP DSP4
SDN
Packet Layer
Packet aware transport
OTN Switching
L2.5
L1
L2
MPLS-TP
OTN
Ethernet
DC
L3 IP
T-SDN
Carrier SDN
Optical Layer
Metro Access
Sub-sea
Long-haul
Metro Core
CDC ROADM L0 DWDM
O-SDN
DC SDN
5
SBN
SDx; x= Network, Compute, Storage, Security, WAN, Infrastructure, Access Network, …
SDSP
SDO
SCN
NFV
VNF
Virtualization
Cloud
LSO
Automation
IT
IC
ICT
Service ChainingVNFM
OSS
BSS
NFVI
VIM
MANO
SDN
T-SDN
VNFO
VNFC
6
IETF SDNRG
IETF NFVRG
7
8
Culture eats strategy for breakfast.
- Peter Drucker
CSB
9Source: https://infrarati.files.wordpress.com/2013/06/silobuster2.png?w=584
Source: http://www.vistage.com/blog/beyond-business/skills-gap-or-generation-gap/
DIY or ?
10
Capex reduction? Opex reduction? TCO reduction?
Data Plane
Control Plane
$ x
$ y
Data Plane
Control Plane
$ a
$ b
x + y a + b= , > , <11
Summary
• Tools – mostly available
• Culture – hard to change, but need to
• Cost – not simple as we think
Th
an
k y
ou
.
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