welcome! the ndix-network technical developments · · 2013-06-17welcome! the ndix-network...
TRANSCRIPT
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WELCOME!
The NDIX-networkTechnical developments
#NDIX
NDIX Relatiedag, 12 juni 2013, Grolsch Veste Enschede
#NDIX
#NDIXrelatiedag
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In this presentation
• The NDIX network
• Latest developments and facts
• New Marketplace locations and international carriers
• Increasing the availability of our network• Increasing the availability of our network
• NDIX and WDM techniques
• NDIX and WIFI
• Customer-premises equipment
• Professionalization internal NDIX processes and
support
• Continuity Improvements
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The NDIX network
• Brocade NetIron MLX series routers in the core and semi-core
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The NDIX network cont.
• Brocade NetIron CER and CES routers are used to expand our MPLS network
– On some Marketplace locations we replaced the Edge switches
– On some Marketplace locations we added the MPLS router to handle the
backbone connectionsbackbone connections
• Brocade FastIron SX, SuperX, Fesx and ICX as Edge switches– SX and ICX are the current used switches
– SX is a 8 slot chassis based edge switch (up to 168 customer ports)
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The NDIX network cont.
• MRV for active WDM and signal regeneration– Media conversion: Converting normal optical signal to WDM optical signal
– 3R signal regeneration: Retransmission, Reshaping and Retiming for long distance connections
• Opticonnect for passive WDM (Optical ADD/DROP Multiplexers)
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Latest developments
Migrating to a new network topology
Star-network topology Ring-network topology Full Mesh-network topology
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Latest develoments cont.
Western
ring
Almost 60 locations make the NDIX network.
Creation of multiple network rings
CORE
ring
Three
southern
rings
Middle
ringEastern
ring
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Latest develoments cont.
Upscaling locations to Semi-CORE locations• growing number of NDIX Marketplaces
• growing number of backbone connections
• growing demand of bandwidth (multiple 10Gbps connections)
Brocade NetIron MLX serie routers just like our CORE routers• Chassis based router
• Multiple 10Gbps support (up to 24 10Gbps ports on a linecard)
• More reliable due to redundant switchfabric and management
Core and semi-core locations are used• Expand our network with new Marketplaces
• Add additional backbone connections
• Expand link capacity
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New Marketplace locations
NEW
• Maastricht (Cofely datacentre)
• Dronten (Serverius datacentre)
• Amsterdam (Interxion AMS3 datacentre)
• Ahaus
Coming up
• Vreden (moving to new location)
• NovioTech campus Nijmegen
• ………………………………………………
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International carriers
More and more international carriers
connected with NDIX
• euNetworks
• VTL WaveNet
• Cogent
• Negotiations with level3 are in progress
Connecting customers to the NDIX network
Certified to MEF standards
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Facts
• Over 70% of our network locations are connected to our backbone with a minimum of 10Gbps.
• Round a bout 45% of our locations have 20Gbps or more available available
• The actual used bandwidth of our backbone connections is below the 25%
– This guarantees a NON-blocking network
• At the beginning of this year we upgraded our network to support a MTU of 9100 octets (jumbo frame support)
– Standard Ethernet supports only 1500 octets of data in a frame
– Possibility to transport more data at once this gives a higher throughput
• We are investigating the possibilities to support Q-in-Q tunnels (IEEE 802.1ad)
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Increasing the availability of our network
A couple of principles• Effectively use the available networkrings in our
network
• Standard Layer 2 VLANs (Virtual networks) to create • Standard Layer 2 VLANs (Virtual networks) to create
customer connections
• Automated restore of customer connections in case
of a network problem (.. Fiber breakage)
– In the old Layer2 network VLANs had a predefined route through the network
– Reconfiguring/Restoring hundreds of VLAN connections manually takes to must time
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Increasing the availability of our network cont.
NDIX has an open network and maintains a strict separation
of infrastructure and services. Therefor NDIX only operates
in the first two of seven layers of the OSI-model
Physical
Link
Network
Transport
Session
Presentation
Application
2
1
3
4
5
6
7
NDIXVLANs / Mac-adress
IP
TCP
Infrastructure
Services
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Increasing the availability of our network cont.
• We needed a network protocol that automatically and
instantly reroutes customer connections over the
remaining and available network connections
• And we cannot use traditional routing protocols to
reroute customer connections because they operate
at layer 3 of the OSI-model
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Increasing the availability of our network cont.
Application7
We found a protocol suited to transport VLANs through a
routed network and that is MPLS (Multi Protocol Label
Switching)
Physical
Link
Network
Transport
Session
Presentation
Application
2
1
3
4
5
6
7
NDIX VLANs / Mac-adress
IP
TCP
Infrastructure
Services
MPLS2,5
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Increasing the availability of our network cont.
A MPLS network: how does it work?
• With MPLS a tunnel is created to transport customer connections (VLANs) through the MPLS network(VLANs) through the MPLS network
• Every MPLS router has an unique Router-ID that is used as destination for the tunnel
• Every MPLS router keeps track how to get to the destination in the most efficient way
• So how the tunnel runs through the MPLS network is decided by the MPLS network itself (no NOC interference)
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How does MPLS work for NDIX
Customer
Router-ID10.10.10.35
Increasing the availability of our network cont.
MPLS NETWORK
Customer
Service
Provider
Router-ID10.10.10.4
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Increasing the availability of our network cont.
Advantages of a MPLS network
• The network is less affected by fiber maintenance
and network defects
• Uptime guarantee of connections through our MPLS
network increases to five nines (99.999%)
– This does not include the local tail to the customer. If the customer wants to have higher availability we can make that possible
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NDIX and WDM techniques
What is WDM?
• Wavelength-division multiplexing
• Multiplexing a number of optics signals to a • Multiplexing a number of optics signals to a
single optical fiber using different
wavelengths
WDM optics
↓ Multiplexer
Fiber pairone for A to B
And one for B to A
Multiplexer ↓
WDM optics
A-side B-side
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NDIX and WDM techniques cont.
• There are two kinds of WDM
– CWDM (Coarse WDM)
– DWDM (Dense WDM)
• CWDM has limitation of 16 channels short
range and 8 channels long range
• DWDM has up to 160 channels short and
long range (160 only if fiber conditions are
perfect)
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NDIX and WDM techniques cont.
WDM advantages
• Easy to upgrade bandwidth of a network connection
(Upgrade to 20Gbps link by adding an extra 10Gpbs)
• Less expensive fibers needed
• In combination with MPLS extreme flexibility building
temporarily connections for maintenance purposes
• Possibility to build dedicated customer connections
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NDIX and WDM techniques cont.
• At the end of 2014 we are aiming to have
80% of the NDIX network connections
converted to WDMconverted to WDM
• All existing CWDM will in time be converted to
DWDM
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NDIX and WIFI
NDIX is expanding its network wireless.
• First project in the center of Enschede (Still in
progress)
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NDIX and WIFI cont.
NDIX is expanding its network wireless.
• Maintaining separation of infrastructure and services • Maintaining separation of infrastructure and services
by using wireless networks (SSID’s) as VLAN’s
• One SSID used for offering internet
• Open network… Multiple SSID’s available for other
services
• Professional 24*7 support
• The success of this project will determine if we
continue with WIFI
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Customer-premises equipment
• More and more NDIX customers using NDIX CPE’s
– Moving demarcation point from the customerport at the NDIX POP to the customer location
– In case of connection problems. One contact (out NOC) for the total connection between customer and other customers/Service Providers
– 24*7 NOC support
– Rate limiting on VLAN level
– Ability to connect a primary and a secondary NDIX connection. Automatic failover in case of link-loss. (special type of CPE needed)
– Easier to use NDIX connection with multiple Service Providers
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Customer-premises equipment cont.
Four types of CPE’s available
• Genexis DRG711– 4 10/100/1000 Copper ports
– Single fiber uplink to NDIX network
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Customer-premises equipment cont.
• MRV OptiSwitch 606
– 100Mbps version and a 1Gbps version available
– 4 10/100/(1000) Copper ports
– Rack mountable– Rack mountable
– 1 SFP customer port (also usable as redundant NDIX uplink)
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Customer-premises equipment cont.
• Approximately 95% of all failures on the NDIX network is a result of Fiber breakage
• We can offer redundant NDIX connection and automated failover in case of link failure using port reflection (LIN - Link integrity)integrity)
Service
Provider
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Customer-premises equipment cont.
• Connections are increasingly becoming a
part of real estate
– Property developers and building owners can
become a NDIX Business-Complex-CPE (NDIX become a NDIX Business-Complex-CPE (NDIX
mini POP)
– Up to 10 customer ports (Fiber or Copper)
– Usable with normal CPE units for each customer
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Professionalization internal NDIX processes and support
• Due to rapid growth and priority of a large number of
network technical improvements the improvement of
internal processes were slightly left behind
• We’re rapidly improving our internal processes and • We’re rapidly improving our internal processes and
service management
– Improved change management
– Tighter protocols regarding the delivery of customer connections
– More process-based approach for network management
– Uniform communication with the customer (working according to a fixed-mail templates)
• One of the improvements is a new Ticketing system
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Continuity Improvements
• Increase uptime NDIX locations in case of a power
failure by purchasing mobile emergency power
generator
– For NDIX locations without a no break system – For NDIX locations without a no break system
• Together with TReNT we are investigating the
possibilities of an EMERGENCY POP
– Mobile container
– Multiple Telco Fiber patchracks
– More then 300 meter Fiber backbone cable
– Fully equipped NDIX POP
– Emergency power generator
– First network connection restore within 8 hours. Full functionality restore within 24 hours
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We think availability, continuity and quality
Is there any functionality missing?Is there any functionality missing?