Ulrich Kohn takes a look at cloud connectivity for the future at Datacenter Forum 2015

1. Scalable, Secure, Programmable –
Cloud Connectivity for the Future
Ulrich Kohn, CISSP
Director Technical Marketing

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• Introduction
• Scalability
• Security
• Programmability
Cloud Connectivity for the Future

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Different Types of Data Centers
Business Continuity / Disaster
Recovery
SAN - Fibre Channel,
FCoE, InfiniBand
Fortune 500 Enterprise
Cloud / Hosting
IaaS, Paas, SaaS
Rackspace, SoftLayer,
AWS, Terramark, Workday, Salesforce
Content Distribution Networks
Video, audio,
web caching
Akamai, Amazon, Limelight, Level(3),
VZ, AT&T, PTTs
Content Providers
Content, software, apps
1M+ servers, 100M+ users, 1BN+
transactions /day
Apple, Amazon, Google, Microsoft,
Facebook, eBay

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Optical Spectrum Provides Huge Amounts of
Electrical Bandwidth
100 nm of optical spectrum
equals 12 Tbit/s of electrical
spectrum @ 1,55 µm
first
window
second
window
third
window

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Business Continuity / Disaster Recovery
• Key applications: data mirroring,
remote backup, server clustering
• Protocols: 8/16G Fibre Channel,
40G/100G Ethernet, InfiniBand,
FICON
• Typical distances: 10-150km
• Point to point, rings with low number
of nodes
• Fixed optical layer predominantly
used today
SAN, HPC Interfaces
Ethernet
Terminal
Server
Storage

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Long-Distance Datacenter Connectivity
• Content distribution, synchronization
• Strategic locations: energy, security,
network junctions
• Multi-Tbit/s reconfigurable optical
layer, 100G network interfaces
• Optical layer protection and
restoration in combination with
resilience in electrical layer e.g.
IP/MPLS FRR
Ethernet ROADM
Server
Storage

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Solution Overview
• 7HU Shelf (20 slots) hosting:
• Optical amplifiers
• Configurable filters
• Optical switches
• Transponders
• Aggregation
• Redundant power supply
• Control and management
• Optical service channels
• 1HU Slimline shelf (2 slots)
• Optical filters
• Active cards e.g. transponders
• Redundant power supply
• Control and management

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Global
Data Center and Cloud Innovation
Private DC
(Business Continuity)
Multi-Site
Regional DC
Hyper-scalable
Global DC
Finance, Operators,
Gov., Health et.al.
Regional
SAN interfaces,
certification, scalability
Encryption, Metro
100G, Control Plane
Open, programmable;
Software Defined Networking
Content and Cloud
Providers / XaaS
+ Content and Cloud
Service Providers

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• Introduction
• Scalability
• Security
• Programmability
Cloud Connectivity for the Future

10. © 2015 ADVA Optical Networking. All rights reserved. Confidential.10
Data Growth with Traditional and Cloud Data
Centers

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10G Metro
• Highest power efficiency with
1.92Tbit/s capacity per fiber
100G Metro
• Highest space efficiency with
4.8Tbit/s capacity per fiber
• Increases capacity to 9.6Tbit/s
with coherent pluggable CFP
100G Core
• Reduced space and power efficiency
with 9.6Tbit/s capacity per fiber,
maximum reach
100G muxponder coherent CFP
100G transponder coherent CFP
3.2Tbit/s
Space Efficiency (capacity/rack*)
1.6Tbit/s
10G
transponders
100G Metro
transponder
muxponder
Powerefficiency
(Gb/W)
DD1
100G Core
transponder
muxponder
*300mm depth
Circle area=
C-Band fiber capacity
Space and Power Efficiency Optimization

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Spectral Efficiency Needs to Increase
On/off-keying faces limitations when data rates reach 100 Gbps
OOK
(10Gbps)
OOK
(100Gbps)
50GHz 50GHz
DP-QPSK
(100Gbps)
Channel Interference
Direct Detection
• Simple hardware
• Wide spectrum
• High dispersion
impairment
Coherent Transmission
• Complex hardware
• Narrow spectrum
• Low dispersion
impairment

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Emerging Technologies Push the Limits
Innovation in direct detection
• PAM and Multi-Carrier
• Cost- and power-efficient
• x2 capacity per fiber
Innovation in coherent technology
• Higher modulation index
• Longest reach
• x2/x4 capacity per fiber

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• Introduction
• Scalability
• Security
• Programmability
Cloud Connectivity for the Future

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Defense in Depth – Multi-Layered Security
DMZ (Demilitarized Zone):
web servers, content-
caching et.al.
Intrusion
prevention
system
Firewalls
Access control
lists
Physical separation
Authentication
& authorization
High-security zone

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Data Center Environment & Security
APPS APPS

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Fiber Optic Networks
Tapping Possibilities
Y-Bridge for
service activities
Fiber coupling device
Street cabinet
How
to get access?
Where
to get access?
Splice boxes / cassettes
(outdoor / inhouse)
There are many ways to access a fiber
Protocol analyzer

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Securing Optical Transmission
Protection Building Blocks
• Authentication by initialization key to protect from
“man in the middle” attacks
• AES256 encryption to offer maximum data security
• Diffie-Hellman (DH) key exchange for secure encryption key generation
• New encryption key every 1min/10mins for additional security
• Lowest latency (100ns) while providing 100% throughput

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• First with 100G in-flight (line-speed) encryption
• Bulk encryption includes full header and checksum for integrity
• Zero overhead means 100% throughput, even with short packets
• All LAN, WAN, SAN, and HPC traffic can be combined on single wavelength
100 G Line-rate Encryption
CFP
4x 28G
100G
Network
Port
Encryption
Engine
10 Client Ports
SFP+10x 10GbE
10x 4/8G FC
8x 10G FC
7x 16G FC
10x STM-64
10x OC-192
10x 5/10G IB
SFP+
SFP+
SFP+
SFP+
SFP+
SFP+
SFP+
SFP+
SFP+

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• Introduction
• Scalability
• Security
• Programmability
Cloud Connectivity for the Future

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Virtualization in the Cloud
VM (virtual machines) can be allocated, moved and scaled -
decoupled from the physical network infrastructure.
Data
Center
Fabric
VM VM VM VM VM VM
vSwitch vSwitch

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Marist SDN Demo @ NY Symposium
• Software Defined
Networking (SDN):
compute, storage and
network resources are
allocated on demand
(orchestration)
• Joint ADVA and IBM
demo showcased
applicability of open
software to implement
SDN functionality

23. © 2015 ADVA Optical Networking. All rights reserved. Confidential.23
Summary
Cloud connectivity for the future
SDN (Software
Defined Networking)
automated
connectivity
Programmable
Direct and
coherent
Cost-Distance
Optimized
Scalable
Encryption
Integrity
Monitoring
Secure

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