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5G
End-to-End Slicing
Demo
December 7th 2016
FG-IMT-2020 Geneva
2
Outline
Background
Architecture
Prototype
3
One Size Does Not Fit All
time
frequency
Access DC Metro DC Core DC
((
((
Multiple
Applications 
Different QOS
requirements 
Same air interface
for every application +
Air interface controls
most of QOS +
COMPROMISES 
Same authentication +
Same mobility +
Same reliability +
Same delay +
Same QOS +
COMPROMISES 
4G - air 4G – packet core4G - UE
Mobile
Broad
Band
Machine
Machine
Reliable
Low
Latency
others
==
4
Solution is custom tailoring (slice)
time
frequency
Access DC Metro DC Core DC
((
((
EMBB
URLLC
MMTC
No compromises air interface(s)
- Ultra high bandwidth for MBB
- Ultra low delay/reliability for URLLC
- No reservations for MMTC
- Room to grow for many others eg:
improved mobility velocity
other
5G – air(s) 5G – packet core(s)5G - UE
No compromises packet core(s)
- Ultra high bandwidth for MBB/content near UE
- Ultra low delay/reliability for URLLC (dedicated BW)
- No reservations for MMTC
- Virtualized core / programmable air interface allows
Unlimited growth for ‘other’ slice types.
5
Major Components of 5G Infrastructure
time
frequency
((
((
EMBB
URLLC
MMTC
other
5G – air(s)5G - UE Orchestration Hierarchy
SDN (T)SDNSDN NFV NFV SDNNFV SDN
1
2
1 F-OFDM – Filtered OFDM – flexibly isolates the bands allowing different behaviors
2 SCMA – Sparse Code Multiple Access – allows reservation free access
3 SDN – software defined networking – to program user plane or orchestrate F connectivity.
4 NFV – Network Function Virtualization – to run packet core functions on general CPUs
ORCHESTRATION – co-ordinate SDN / NFV / radios to create/change/manage slices.
6 POLAR CODES – flexible efficient error correcting codes for arbitrary block sizes.
1
2
3
4
5
33 4 4
5
SDN3
5
6
MEC
MEC
6
Slices however must “breathe”
time
frequency
Access DC Metro DC Core DC
((
((
EMBB
URLLC
MMTC
5G – air(s) 5G – packet core(s)5G - UE
Since slices are allocated dedicated resources this can lead to inefficiencies. So:
• Must be possible for slices to change size (breath) and to exchange physical resources
• Example the MMTC slice shrinks and gives up capacity to the EMMB slice.
• Example the ‘other’ slice is not present for some period of time. Its resources given to URLLC.
• Must happen with minimum interference or the capability is not usable sufficiently often.
Slicing in terms of resource sets/subsets.
+ + + +
Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology
+ +
Back Haul Core CPU/S/W
eMBB
Enhanced Mobile
Broadband
mMTC
Massive Machine Type
Communications
uMTC
Ultra-reliable and Low-latency
Communications
Future IMT
UE
+
+ + + +
Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology
+ +
Back Haul Core CPU/S/W
eMBB
Enhanced Mobile
Broadband
mMTC
Massive Machine Type
Communications
uMTC
Ultra-reliable and Low-latency
Communications
Future IMT
UE
+
From the Universe of resource sets..
A slice can be thought of as a set of subsets …
Different RATs
Different NG-EPC
(demux at Slice Selection Function in NB)
Different downstream of the NG-EPC
(eg different FW/LB etc.)
= Sj
= Sk
= Si
= Sl
Slices can be isolated all the way to
antenna.
Slices can share antennas, fronthaul
CRAN etc. but be separated by frequency
time or code space.
))))
))))
OS
))))))))
OSOS
Thing Thing
APP
APP
APP
APP
APP
UEs/”Things” can be it
a single slice, or multiple slices
A UE in multiple slices can be
sliced A) horizontally (slice = QOS/QOE) or
B) vertically (slice = virtual UE).
A
B
SSF
+ + + +
Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology
+ +
Back Haul Core CPU/S/W
eMBB
Enhanced Mobile
Broadband
mMTC
Massive Machine Type
Communications
uMTC
Ultra-reliable and Low-latency
Communications
Future IMT
UE
+
Slices may share and trade resources – starting at UE
Many levels of Slice Selection Implicit/Explicit
Eg 4.xG
= Sm
Slices can“breath”i.e. grow/shrink & trade resources hit-
lessley, automatically or on high level stimulus
+ + + +
Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology
+ +
Back Haul Core CPU/S/W
eMBB
Enhanced Mobile
Broadband
mMTC
Massive Machine Type
Communications
uMTC
Ultra-reliable and Low-latency
Communications
Future IMT
+ + + +
Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology
+ +
Back Haul Core CPU/S/W
eMBB
Enhanced Mobile
Broadband
mMTC
Massive Machine Type
Communications
uMTC
Ultra-reliable and Low-latency
Communications
Future IMT
Slicei =
Slicek =
f
f
fD In response to
various stimulus
Various Stimuli to trigger resource D
After trigger (any type) everything is automatic
closed loop and hitless.
Temporary
H/W
maintenance
6
Schedules
time of Day
Operator
request for
new slice or
delete old
Profile or
S/W version
changes
Physical
resource
add/remove
UE’s density
changes
dramatically
Detected
congestion
CPU thresholds
Spectrum
or spectral
efficiency
change
Emergency
Response
%
t
!!
!!
Rapid Automation of every component is imperative!
CAPEX savings of 5G cloud come from statistical gains.
• Want to allocate resources less than peak requirements.
• Statistical gains need fast adaption to take advantage of
ebb/flow of the tidal changes inter/intra slice.
• Slow reconfiguration means more equipment is required.
• Smaller Dt (i.e. better automation)  reduced peak HW.
• Trade-offs of resources is complex optimization problem.
timeeMBB
IOT
Dt
Larger Dt =
More Peak HW
More Loss
X
X
timeeMBB
IOT
Dt
Smaller Dt =
Less Peak HW
Less Loss
OPEX of 5G nf()/ng() without automation greater than physical f()/g().
• Many more components to manage/configure than physical.
• Exploiting parallelism requires many more logical conns/nfs.
• Dynamic management of infrastructure not just RAT/RAN.
• Hand debugging of virtualized entities requires specialized skills.
f() g()
nfu[i]()
nfu[i]()
nfu[i]()
..
nfc[i]()
nfc[i]()
f()
ngu[i]()
ngu[i]()
ngu[i]()
..
ngc[i]()
ngc[i]()
g()
physical
5g-1
auto p1
iface p1 inet manual
bond-master bond0
auto p2
iface p2 inet manual
bond-master bond0
auto bond0
iface p1 inet static
bond-mode 4
bond-miimon 100
bond-lacp-rate 1
bond-slaves p1 p2
Encoded
lxc start endoeB
ovs-vsctl add-port 5g-br0 enodeB_veth_0
ovs-vsctl set port enodeB_veth_0 tag=10
HSS
lxc start hss
ovs-vsctl add-port 5g-br0 hss_veth_0
ovs-vsctl set port hss_veth_0 tag=10
5g-2
auto p1
iface p1 inet manual
bond-master bond0
auto p2
iface p2 inet manual
bond-master bond0
auto bond0
iface p1 inet static
bond-mode 4
bond-miimon 100
bond-lacp-rate1
bond-slaves p1 p2
5g-4
auto p1
iface p1 inet manual
bond-master bond0
auto p2
iface p2 inet manual
bond-master bond0
auto bond0
iface p1 inet static
bond-mode 4
bond-miimon 100
bond-lacp-rate1
bond-slaves p1 p2
5g-6
auto p1
iface p1 inet manual
bond-master bond0
auto p2
iface p2 inet manual
bond-master bond0
auto bond0
iface p1 inet static
bond-mode 4
bond-miimon 100
bond-lacp-rate1
bond-slaves p1 p2
5g-7
auto p1
iface p1 inet manual
bond-master bond0
auto p2
iface p2 inet manual
bond-master bond0
auto bond0
iface p1 inet static
bond-mode 4
bond-miimon 100
bond-lacp-rate1
bond-slaves p1 p2
RRH
docker attach rrh
ovs-docker add-port 5g-br0 eth1 rrh –ipaddress==192.168.10.2/24
ovs-vsctl set port rrh_veth_0 tag=10
EPC
virsh net-define 5g-network.xml
virsh net-start 5g-network
virsh define epc
virsh start epc
ovs-vsctl add-port 5g-br0 epc_veth_0
ovs-vsctl set port epc_veth_0 tag=10
Switch-1
vlan 10
interface eth-trunk1
Description: To 5g-2
port link-type trunk
port trunk allow-pass vlan 10
mode lacp-dynamic
interface eth-trunk2
Description: To 5g-4
port link-type trunk
port trunk allow-pass vlan 10
mode lacp-dynamic
interface eth-trunk9
Description: To 5g-1 RRH
port link-type trunk
port trunk allow-pass vlan 10
mode lacp-dynamic
interface eth-trunk21
Description: To Optical Node
port link-type trunk
port trunk allow-pass vlan 10
mode lacp-dynamic
Switch-2
vlan 10
interface eth-trunk1
Description: To 5g-6
port link-type trunk
port trunk allow-pass vlan 10
mode lacp-dynamic
interface eth-trunk2
Description: To 5g-7q
port link-type trunk
port trunk allow-pass vlan 10
mode lacp-dynamic
interface eth-trunk21
Description: To Optical Node
port link-type trunk
port trunk allow-pass vlan 10
mode lacp-dynamic
A small sub-sample of some of the required commands to setup one
slice in one C-RAN (non Radio parts) i.e. its very complex.
Transport network,
radio and EPC attributes
not shown
13
Outline
Background
Architecture
Prototype
CTRL
MGMT
SOFT
ANT/freq
CTRL
MGMT
SOFT
FH
CTRL
MGMT
SOFT
DSP
S
P
L
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CPUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CTRL
MGMT
SOFT
NW
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
TAPI
F()
G() H()
S
F()
G() H()
I()
I()
((
((
URLLC
eMBB
URLLC Slice-B
eMBB Slice-A
f
Slicing create/control hierarchical orchestration infrastructure
CTRL
MGMT
SOFT
NW
TAPI
NG(R)ANUE NG-UP FW
NG-CP
UDM
AF
Data
Network
NG1
NG3
NG2 NG4
NG7
NG6
NG5
SliceTemplate(eMBB-A)
F() G() H()
I()
L2VPN
L3VPN
A B C
INPUTMACHINEOUTUT
CTRL
MGMT
SOFT
ANT/freq
CTRL
MGMT
SOFT
FH
CTRL
MGMT
SOFT
DSP
S
P
L
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CPUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CTRL
MGMT
SOFT
NW
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
TAPI
G() H()
S
F() I()
((
((
URLLC
URLLC Slice-B
f
High Level Events – Capability Exposure & Abstraction
CTRL
MGMT
SOFT
NW
TAPI
NG(R)ANUE NG-UP FW
NG-CP
UDM
AF
Data
Network
NG1
NG3
NG2 NG4
NG7
NG6
NG5
SliceTemplate(eMBB-A)
F() G() H()
I()
L3VPN
A B C
INPUTMACHINEOUTUT
CTRL
MGMT
SOFT
ANT/freq
CTRL
MGMT
SOFT
FH
CTRL
MGMT
SOFT
DSP
S
P
L
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CPUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CTRL
MGMT
SOFT
NW
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
TAPI
High Level Events – Import Slice Delta & compute resource allocation
CTRL
MGMT
SOFT
NW
TAPI
NG(R)ANUE NG-UP FW
NG-CP
UDM
AF
Data
Network
NG1
NG3
NG2 NG4
NG7
NG6
NG5
SliceTemplate(eMBB-A)
F() G() H()
I()
A B
INPUTMACHINE
G() H()
S
F() I()
((
((
URLLC
URLLC Slice-B
f L3VPN
OUTUT
CTRL
MGMT
SOFT
ANT/freq
CTRL
MGMT
SOFT
FH
CTRL
MGMT
SOFT
DSP
S
P
L
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CPUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CTRL
MGMT
SOFT
NW
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
TAPI
High Level Events – Sub divide problem by region/domain
CTRL
MGMT
SOFT
NW
TAPI
NG(R)ANUE NG-UP FW
NG-CP
UDM
AF
Data
Network
NG1
NG3
NG2 NG4
NG7
NG6
NG5
SliceTemplate(eMBB-A)
F() G() H()
I()
A
INPUTMACHINE
G() H()
S
F() I()
((
((
URLLC
URLLC Slice-B
f L3VPN
OUTUT
((
((
CTRL
MGMT
SOFT
ANT/freq
CTRL
MGMT
SOFT
FH
CTRL
MGMT
SOFT
DSP
S
P
L
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CPUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CTRL
MGMT
SOFT
NW
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
TAPI
High Level Events – Recursive.. divide problem by region/domain
CTRL
MGMT
SOFT
NW
TAPI
NG(R)ANUE NG-UP FW
NG-CP
UDM
AF
Data
Network
NG1
NG3
NG2 NG4
NG7
NG6
NG5
SliceTemplate(eMBB-A)
F() G() H()
I()
A
INPUTMACHINE
G() H()
S
F() I()
((
((
URLLC
URLLC Slice-B
f L3VPN
OUTUT
((
((
CTRL
MGMT
SOFT
ANT/freq
CTRL
MGMT
SOFT
FH
CTRL
MGMT
SOFT
DSP
S
P
L
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CTRL
MGMT
SOFT
Fabric
CTRL
MGMT
SOFT
CPUS
CTRL
MGMT
SOFT
NFs
F()
G()
H()
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
CTRL
MGMT
SOFT
NW
CONTROL
ORCHESTRATION
SOFTWARIZATION(APIs)
TAPI
High Level Events – Leaf (Physical) instantiation
CTRL
MGMT
SOFT
NW
TAPI
NG(R)ANUE NG-UP FW
NG-CP
UDM
AF
Data
Network
NG1
NG3
NG2 NG4
NG7
NG6
NG5
SliceTemplate(eMBB-A)
F() G() H()
I()
A
INPUTMACHINE
G() H()
S
F() I()
((
((
URLLC
URLLC Slice-B
f L3VPN
OUTUT
((
((
F() G() H() I()
eMBB Slice-A
L2VPN
eMBB
20
Outline
Background
Architecture
Prototype
21
Basic Setup & Reaction Capability
{create, delete, adjust of multiple slice types}
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
DWDM
Emulator
Server
DC A/1
Server
DC A/2
T-SDN
CTRL
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
Hitless spectrum
changes. Take from slice
1, Give to slice 2 etc.
Hitless 10G DWDM
bandwidth adjustment
hard or soft per slice
1 x 2xGE LAG per slice
NF NFNF NFNF NF
NF
NF
NF
NF
NF
NF
NF NFNF
NF
NF NF
Thousands of possible
NF placements. Chosen by global
optimizer. Hitless changes.
State 1
State n
State 2
1
2
3
1
3
2
Interrelated
Dimensions
22
Logical Demo and Physical Hardware
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
DWDM
Emulator
Server
DC A/1
Server
DC A/2 TSDN
SONAC
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
Load
Generator
B-CUBE(FPGA)
OPTIX9800(DWDM)
2288
Servers
6850(switch)
R
F
U
R
F
U
R
F
U
6800
Servers
2288
Servers
2288
Servers
OPTIX9800(DWDM)
OPTIX9800(DWDM)
eMBB
URRLC
MMTC
1000Mhz(5x20Mhz)@4.6Ghz
F-OFDMF-OFDMF-OFDM
15Khz30Khz30Khz
0.5ms
7 symbol
0.25ms
7 symbol
SCMA
0.25ms
7 symbol
SUB FRAME
FRAME
UE-Server
UE-Radio (FPGA)
UE-Server
UE-Radio (FPGA)
:
:
cv
Spectrum
Analyzer
6850(switch)
MUX MUX
SUB FRAME
SUB FRAME
23
BONN/GERMANY
SHANGHAI/CHINA
OTTAWA/CANADA
24
DWDM NETWORK
+ ROADMS
General purpose
compute in DC and
C-RAN including
40GE High Density
Switches LAG’ed over
DWDM network.
5G Radio real time
logic in BEE-7 FPGAs.
5G UE Radios real time
FPGAs and test servers.
SONAC DEMO
GUI
IMPORTANT
KPIS FOR EACH
SLICE
TRANSPORT
BANDWIDTH
CRAN-DC
100 Mhz as 5x20Mhz F-OFDM
blocks colored to show slice assignment
High level
view of what’s
happening
View of
Messaging
data flow
Resource allocation by mixed integer/linear program
System Resources =
• Server resources
• CPU
• Memory
• IO
• OTN Resources
• Bandwidth
System Costs =
• Resource costs
• Server-server cost
• Server delays
• Server-server delays
Optimization program:
Minimize selected costs/delays while:
• Placing network functions(slices) and
• Respecting system resource limitations.
≤
NP-hard
combinatorial
problem
Randomized algorithms -
approximate solutions but:
•Good scalability
•Parallelizable
•Continuous optimization
tracks requirement changes
•Start at LP solution and
branch-and-bound
MILP is a well known
method, but:
•Poor scalability
•Problem changes before
you compute solution
constraints
variables
Embb-MME Embb-HSS
Mmtc-PHY Embb-nb Embb-gw Embb-content
Ordering ConstraintBW(demand)
Resources(demand)
Slice ~= Graph of network functions (creates ordering constraints)
Resource utilization = fnetwork-function(slice demand)
27
STATE-0 – idle, no slices, NFs, min BW
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
9800
Emulator
Server
DC A/1
Server
DC A/2
T-SDN
CTRL
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
NF
NF
NF
NF
NF
No network functions
present in either CRAN
/EDGE or DC.
1
2
3
Test UE’s are
all idle
Minimum B/W up
between DC’s.
4G
RADIO
PHY
Real LTE UE’s are
disconnected
28
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
DWDM
Emulator
Server
DC A/1
Server
DC A/2
T-SDN
CTRL
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
NF
NF
NF
NF
1 Operator !!
requests LTE slices
EPC NF’containers placed in C-RAN
2
Global Optimizer
assigns
resources
3 LTE MME&HSS NFs
placed in DC, cores
assigned, started,
configured.
3
LTE Phy H/W
instantiated.
E-2-E network
configured and sized.
5a-OVS bridges, 5b-phys
switches. 5c-TSDN
allocates and
brings up lambdas into
switch LAG for this slice.
5
LTE in slice – create two LTE slices
4
6
Two smartphones
connect, one per slice.
Skype initiated.
LTE-gw containers
moved.
Skype
4G
PHY
Lte-eNB LTE-mme
LTE-PHY
LTE-gw LTE- hss
Lte-eNB LTE-mme
LTE-PHY
LTE-gw LTE- hss
29
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
DWDM
Emulator
Server
DC A/1
Server
DC A/2
T-SDN
CTRL
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
NF
Embb-nb
NF
NF
NF
1 Operator !!
requests eMBB
slice
eMBB NF’containers placed in C-RAN
1-eMBB NB protocol
2-eMBB gateways, 3-some content
Cores assigned, started, configured.
Embb mme
Mmtc-PHY
2
Global Optimizer
assigns
resources
3
eMBB MME&HSS NFs
placed in DC, cores
assigned, started,
configured.
3
eMBB PHY instantiated.
Spectrum/OFDM etc.
attributes configured.
E-2-E network
configured and sized.
5a-OVS bridges, 5b-phys
switches. 5c-TSDN
allocates and
brings up lambdas into
switch LAG for this slice.
5
STATE-1 – eMBB slice created
4
5
Test-UE’s start
generating traffic into
this slice for the content.
>display stats
30,30303
30303.
>display stats
30,30303
30303.
6
KPI displays
Spectrum
Analyzer etc.
Embb-gw Embb hss
Embb-content
30
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
DWDM
Emulator
Server
DC A/1
Server
DC A/2
T-SDN
CTRL
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
NF
Mmtc-prot
Mmtf-agg
NF
NF
NF
1 Operator !!
requests MMTC
slice
MMTc NF’ containers placed in C-RAN
1-MMTc NB protocol
2-MTc small packet aggregator
Cores assigned, started,
configured.
Mmtc-split
Mmtc-PHY
2
Global Optimizer
assigns
resources
3
MMTc small packet
disaggregator NF
placed in DC, cores
assigned, started,
configured.
3
MMTc PHY instantiated.
Spectrum/OFDM etc.
attributes configured.
E-2-E network
configured and sized.
5a-OVS bridges, 5b-phys
switches. 5c-TSDN
allocates and
brings up lambdas into
switch LAG for this slice.
5
STATE-2 – mMTC slice created
4
5
Test-UE’s generate
10,000 different UE IDs.
>display stats
30,30303
30303.
>display stats
30,30303
30303.
6
KPI displays packet
loss etc. Spectrum
Analyzer etc.
31
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
DWDM
Emulator
Server
DC A/1
Server
DC A/2
T-SDN
CTRL
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
NF
Urrrlc-nb
NF
NF
NF
1 Operator !!
requests URRLC
slice
URRLC-NB NF container placed in C-RAN
1-URRLC NB protocol
urrrlc-PHY
2
Global Optimizer
assigns
resources
3
URRLC PHY instantiated.
Spectrum/OFDM etc.
attributes configured.
STATE-3 – URRLC slice created
4
5
Test-UE’s A generates
urgent vehicle to vehicle
message to Test-UE-B
Round trip delay
displayed on related
laptop.
>display stats
30,30303
30303.
>display stats
30,30303
30303.
6
Three slices
running.6
KPI displays packet
loss etc. Spectrum
Analyzer etc.
32
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
DWDM
Emulator
Server
DC A/1
Server
DC A/2
T-SDN
CTRL
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
NF
Urrrlc-nb
NF
NF
NF
1 Operator !! requests URRLC
slice spectrum growth by
reducing MMTC spectrum
MMTc NF container moved out of C-to
DC because URRLC needs the
compute resources.
urrrlc-PHY
2
Global Optimizer has to move MMTC
to DC for URRLC performance
increase. Also more DC/CRAN B/W
required for MMTC-protocol to PHY
3
URRLC PHY hitless
spectrum increase. MMTC
hitless spectrum decrease.
STATE-4 – Breath- increase URLLC
4
6
Test-UE’s for all
three slices continue
Uninterrupted.
eMBB not shown for
clarity.
>display stats
30,30303
30303.
>display stats
30,30303
30303.
6
Three slices
running
after
spectrum
change
6
KPI displays all
slices still working.
Mmtc-prot
Mmtf-aggMmtc-split
Mmtc-PHY
5
Fronthaul B/W increased for MMTC
since its moved out of C-RAN.
New 10G lambda created added to LAG.
33
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
DWDM
Emulator
Server
DC A/1
Server
DC A/2
T-SDN
CTRL
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
NF
Embb-nb
NF
NF
NF
1 Operator !!
requests eMBB ICN
slice
ICN-ROUTER container placed in C-RAN
eMBB NB Slice Selection Function
SSF configured to forward ICN
packets direct ICN-router NF.
Mmtc-PHY
2
Global Optimizer
assigns
resources
3
ICN-ROUTER ,
MANAGER, VIDEO CONF
APP containers placed in
DC
4
Due to increase in MBB
traffic on the ICN slice
TSDN configures extra
10GE lambda to the MBB
slice LAG.
5
STATE-5 – eMBB/ICN slice created
>display stats
30,30303
30303.
>display stats
30,30303
30303.
6
KPI displays
Spectrum
Analyzer etc.ICN-ROUTER
ICN-ROUTERICN-MGR
ICN-Video
SSF
6
34
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
DWDM
Emulator
Server
DC A/1
Server
DC A/2
T-SDN
CTRL
5G ORCH
Server
DC B/1
Server
DC B/2
DWDM
C
Embb-nb
Mmtc-PHY
STATE-6 – eMBB/ICN slice operation
3
ICN UEs register interest
In SOURCE’s content.
>display stats
30,30303
30303.
>display stats
30,30303
30303.
6
ICN Manager
Displays KPIs.
ICN-ROUTER
ICN-ROUTERICN-MGR
ICN-Video
ICN-SOURCE
SSF
1
ICN Source content
follows interest ‘tree’
2
2
3
ICN replicates at
a fork in interest
directly to eMBB-NB
In same C-RAN DC.
4
eMMB-NB SSF sends
To ICN ROUTER(s)
Bypassing eMBB G/Ws.
5
ICN UE-s receive
content of interest.
35
State-7 Breathing response to B/W
5G
RADIO
PHY
10GE
SWITCH-
A
DWDM
A
DWDM
B
10GE
SWITCH-
B
Server
DC A/1
Server
DC A/2
T-SDN CTRL
5G ORCH
DWDM
C
Generate 9.5 G worth of
background eMBB traffic
into eMBB slice LAG.
1
2
5G Orchestrator notes increased B/W in slice
at critical link and asks TSDN for additional
10G lambda which it then add to the LAG in a
make-before-break manner (no hit).
+l
SPIRENT
TESTER
36
Thank-You

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5G End to-end network slicing Demo

  • 1. 5G End-to-End Slicing Demo December 7th 2016 FG-IMT-2020 Geneva
  • 3. 3 One Size Does Not Fit All time frequency Access DC Metro DC Core DC (( (( Multiple Applications  Different QOS requirements  Same air interface for every application + Air interface controls most of QOS + COMPROMISES  Same authentication + Same mobility + Same reliability + Same delay + Same QOS + COMPROMISES  4G - air 4G – packet core4G - UE Mobile Broad Band Machine Machine Reliable Low Latency others ==
  • 4. 4 Solution is custom tailoring (slice) time frequency Access DC Metro DC Core DC (( (( EMBB URLLC MMTC No compromises air interface(s) - Ultra high bandwidth for MBB - Ultra low delay/reliability for URLLC - No reservations for MMTC - Room to grow for many others eg: improved mobility velocity other 5G – air(s) 5G – packet core(s)5G - UE No compromises packet core(s) - Ultra high bandwidth for MBB/content near UE - Ultra low delay/reliability for URLLC (dedicated BW) - No reservations for MMTC - Virtualized core / programmable air interface allows Unlimited growth for ‘other’ slice types.
  • 5. 5 Major Components of 5G Infrastructure time frequency (( (( EMBB URLLC MMTC other 5G – air(s)5G - UE Orchestration Hierarchy SDN (T)SDNSDN NFV NFV SDNNFV SDN 1 2 1 F-OFDM – Filtered OFDM – flexibly isolates the bands allowing different behaviors 2 SCMA – Sparse Code Multiple Access – allows reservation free access 3 SDN – software defined networking – to program user plane or orchestrate F connectivity. 4 NFV – Network Function Virtualization – to run packet core functions on general CPUs ORCHESTRATION – co-ordinate SDN / NFV / radios to create/change/manage slices. 6 POLAR CODES – flexible efficient error correcting codes for arbitrary block sizes. 1 2 3 4 5 33 4 4 5 SDN3 5 6 MEC MEC
  • 6. 6 Slices however must “breathe” time frequency Access DC Metro DC Core DC (( (( EMBB URLLC MMTC 5G – air(s) 5G – packet core(s)5G - UE Since slices are allocated dedicated resources this can lead to inefficiencies. So: • Must be possible for slices to change size (breath) and to exchange physical resources • Example the MMTC slice shrinks and gives up capacity to the EMMB slice. • Example the ‘other’ slice is not present for some period of time. Its resources given to URLLC. • Must happen with minimum interference or the capability is not usable sufficiently often.
  • 7. Slicing in terms of resource sets/subsets. + + + + Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology + + Back Haul Core CPU/S/W eMBB Enhanced Mobile Broadband mMTC Massive Machine Type Communications uMTC Ultra-reliable and Low-latency Communications Future IMT UE + + + + + Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology + + Back Haul Core CPU/S/W eMBB Enhanced Mobile Broadband mMTC Massive Machine Type Communications uMTC Ultra-reliable and Low-latency Communications Future IMT UE + From the Universe of resource sets.. A slice can be thought of as a set of subsets …
  • 8. Different RATs Different NG-EPC (demux at Slice Selection Function in NB) Different downstream of the NG-EPC (eg different FW/LB etc.) = Sj = Sk = Si = Sl Slices can be isolated all the way to antenna. Slices can share antennas, fronthaul CRAN etc. but be separated by frequency time or code space. )))) )))) OS )))))))) OSOS Thing Thing APP APP APP APP APP UEs/”Things” can be it a single slice, or multiple slices A UE in multiple slices can be sliced A) horizontally (slice = QOS/QOE) or B) vertically (slice = virtual UE). A B SSF + + + + Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology + + Back Haul Core CPU/S/W eMBB Enhanced Mobile Broadband mMTC Massive Machine Type Communications uMTC Ultra-reliable and Low-latency Communications Future IMT UE + Slices may share and trade resources – starting at UE Many levels of Slice Selection Implicit/Explicit Eg 4.xG = Sm
  • 9. Slices can“breath”i.e. grow/shrink & trade resources hit- lessley, automatically or on high level stimulus + + + + Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology + + Back Haul Core CPU/S/W eMBB Enhanced Mobile Broadband mMTC Massive Machine Type Communications uMTC Ultra-reliable and Low-latency Communications Future IMT + + + + Antennas Fronthaul CRAN fabric CRAN CPU/S/W RAT Numerology + + Back Haul Core CPU/S/W eMBB Enhanced Mobile Broadband mMTC Massive Machine Type Communications uMTC Ultra-reliable and Low-latency Communications Future IMT Slicei = Slicek = f f fD In response to various stimulus
  • 10. Various Stimuli to trigger resource D After trigger (any type) everything is automatic closed loop and hitless. Temporary H/W maintenance 6 Schedules time of Day Operator request for new slice or delete old Profile or S/W version changes Physical resource add/remove UE’s density changes dramatically Detected congestion CPU thresholds Spectrum or spectral efficiency change Emergency Response % t !! !!
  • 11. Rapid Automation of every component is imperative! CAPEX savings of 5G cloud come from statistical gains. • Want to allocate resources less than peak requirements. • Statistical gains need fast adaption to take advantage of ebb/flow of the tidal changes inter/intra slice. • Slow reconfiguration means more equipment is required. • Smaller Dt (i.e. better automation)  reduced peak HW. • Trade-offs of resources is complex optimization problem. timeeMBB IOT Dt Larger Dt = More Peak HW More Loss X X timeeMBB IOT Dt Smaller Dt = Less Peak HW Less Loss OPEX of 5G nf()/ng() without automation greater than physical f()/g(). • Many more components to manage/configure than physical. • Exploiting parallelism requires many more logical conns/nfs. • Dynamic management of infrastructure not just RAT/RAN. • Hand debugging of virtualized entities requires specialized skills. f() g() nfu[i]() nfu[i]() nfu[i]() .. nfc[i]() nfc[i]() f() ngu[i]() ngu[i]() ngu[i]() .. ngc[i]() ngc[i]() g() physical
  • 12. 5g-1 auto p1 iface p1 inet manual bond-master bond0 auto p2 iface p2 inet manual bond-master bond0 auto bond0 iface p1 inet static bond-mode 4 bond-miimon 100 bond-lacp-rate 1 bond-slaves p1 p2 Encoded lxc start endoeB ovs-vsctl add-port 5g-br0 enodeB_veth_0 ovs-vsctl set port enodeB_veth_0 tag=10 HSS lxc start hss ovs-vsctl add-port 5g-br0 hss_veth_0 ovs-vsctl set port hss_veth_0 tag=10 5g-2 auto p1 iface p1 inet manual bond-master bond0 auto p2 iface p2 inet manual bond-master bond0 auto bond0 iface p1 inet static bond-mode 4 bond-miimon 100 bond-lacp-rate1 bond-slaves p1 p2 5g-4 auto p1 iface p1 inet manual bond-master bond0 auto p2 iface p2 inet manual bond-master bond0 auto bond0 iface p1 inet static bond-mode 4 bond-miimon 100 bond-lacp-rate1 bond-slaves p1 p2 5g-6 auto p1 iface p1 inet manual bond-master bond0 auto p2 iface p2 inet manual bond-master bond0 auto bond0 iface p1 inet static bond-mode 4 bond-miimon 100 bond-lacp-rate1 bond-slaves p1 p2 5g-7 auto p1 iface p1 inet manual bond-master bond0 auto p2 iface p2 inet manual bond-master bond0 auto bond0 iface p1 inet static bond-mode 4 bond-miimon 100 bond-lacp-rate1 bond-slaves p1 p2 RRH docker attach rrh ovs-docker add-port 5g-br0 eth1 rrh –ipaddress==192.168.10.2/24 ovs-vsctl set port rrh_veth_0 tag=10 EPC virsh net-define 5g-network.xml virsh net-start 5g-network virsh define epc virsh start epc ovs-vsctl add-port 5g-br0 epc_veth_0 ovs-vsctl set port epc_veth_0 tag=10 Switch-1 vlan 10 interface eth-trunk1 Description: To 5g-2 port link-type trunk port trunk allow-pass vlan 10 mode lacp-dynamic interface eth-trunk2 Description: To 5g-4 port link-type trunk port trunk allow-pass vlan 10 mode lacp-dynamic interface eth-trunk9 Description: To 5g-1 RRH port link-type trunk port trunk allow-pass vlan 10 mode lacp-dynamic interface eth-trunk21 Description: To Optical Node port link-type trunk port trunk allow-pass vlan 10 mode lacp-dynamic Switch-2 vlan 10 interface eth-trunk1 Description: To 5g-6 port link-type trunk port trunk allow-pass vlan 10 mode lacp-dynamic interface eth-trunk2 Description: To 5g-7q port link-type trunk port trunk allow-pass vlan 10 mode lacp-dynamic interface eth-trunk21 Description: To Optical Node port link-type trunk port trunk allow-pass vlan 10 mode lacp-dynamic A small sub-sample of some of the required commands to setup one slice in one C-RAN (non Radio parts) i.e. its very complex. Transport network, radio and EPC attributes not shown
  • 16. CTRL MGMT SOFT ANT/freq CTRL MGMT SOFT FH CTRL MGMT SOFT DSP S P L CTRL MGMT SOFT Fabric CTRL MGMT SOFT CUS CTRL MGMT SOFT NFs F() G() H() CTRL MGMT SOFT Fabric CTRL MGMT SOFT CPUS CTRL MGMT SOFT NFs F() G() H() CONTROL ORCHESTRATION SOFTWARIZATION(APIs) CONTROL ORCHESTRATION SOFTWARIZATION(APIs) CTRL MGMT SOFT NW CONTROL ORCHESTRATION SOFTWARIZATION(APIs) TAPI High Level Events – Import Slice Delta & compute resource allocation CTRL MGMT SOFT NW TAPI NG(R)ANUE NG-UP FW NG-CP UDM AF Data Network NG1 NG3 NG2 NG4 NG7 NG6 NG5 SliceTemplate(eMBB-A) F() G() H() I() A B INPUTMACHINE G() H() S F() I() (( (( URLLC URLLC Slice-B f L3VPN OUTUT
  • 17. CTRL MGMT SOFT ANT/freq CTRL MGMT SOFT FH CTRL MGMT SOFT DSP S P L CTRL MGMT SOFT Fabric CTRL MGMT SOFT CUS CTRL MGMT SOFT NFs F() G() H() CTRL MGMT SOFT Fabric CTRL MGMT SOFT CPUS CTRL MGMT SOFT NFs F() G() H() CONTROL ORCHESTRATION SOFTWARIZATION(APIs) CONTROL ORCHESTRATION SOFTWARIZATION(APIs) CTRL MGMT SOFT NW CONTROL ORCHESTRATION SOFTWARIZATION(APIs) TAPI High Level Events – Sub divide problem by region/domain CTRL MGMT SOFT NW TAPI NG(R)ANUE NG-UP FW NG-CP UDM AF Data Network NG1 NG3 NG2 NG4 NG7 NG6 NG5 SliceTemplate(eMBB-A) F() G() H() I() A INPUTMACHINE G() H() S F() I() (( (( URLLC URLLC Slice-B f L3VPN OUTUT (( ((
  • 18. CTRL MGMT SOFT ANT/freq CTRL MGMT SOFT FH CTRL MGMT SOFT DSP S P L CTRL MGMT SOFT Fabric CTRL MGMT SOFT CUS CTRL MGMT SOFT NFs F() G() H() CTRL MGMT SOFT Fabric CTRL MGMT SOFT CPUS CTRL MGMT SOFT NFs F() G() H() CONTROL ORCHESTRATION SOFTWARIZATION(APIs) CONTROL ORCHESTRATION SOFTWARIZATION(APIs) CTRL MGMT SOFT NW CONTROL ORCHESTRATION SOFTWARIZATION(APIs) TAPI High Level Events – Recursive.. divide problem by region/domain CTRL MGMT SOFT NW TAPI NG(R)ANUE NG-UP FW NG-CP UDM AF Data Network NG1 NG3 NG2 NG4 NG7 NG6 NG5 SliceTemplate(eMBB-A) F() G() H() I() A INPUTMACHINE G() H() S F() I() (( (( URLLC URLLC Slice-B f L3VPN OUTUT (( ((
  • 19. CTRL MGMT SOFT ANT/freq CTRL MGMT SOFT FH CTRL MGMT SOFT DSP S P L CTRL MGMT SOFT Fabric CTRL MGMT SOFT CUS CTRL MGMT SOFT NFs F() G() H() CTRL MGMT SOFT Fabric CTRL MGMT SOFT CPUS CTRL MGMT SOFT NFs F() G() H() CONTROL ORCHESTRATION SOFTWARIZATION(APIs) CONTROL ORCHESTRATION SOFTWARIZATION(APIs) CTRL MGMT SOFT NW CONTROL ORCHESTRATION SOFTWARIZATION(APIs) TAPI High Level Events – Leaf (Physical) instantiation CTRL MGMT SOFT NW TAPI NG(R)ANUE NG-UP FW NG-CP UDM AF Data Network NG1 NG3 NG2 NG4 NG7 NG6 NG5 SliceTemplate(eMBB-A) F() G() H() I() A INPUTMACHINE G() H() S F() I() (( (( URLLC URLLC Slice-B f L3VPN OUTUT (( (( F() G() H() I() eMBB Slice-A L2VPN eMBB
  • 21. 21 Basic Setup & Reaction Capability {create, delete, adjust of multiple slice types} 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B DWDM Emulator Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH Server DC B/1 Server DC B/2 DWDM C Hitless spectrum changes. Take from slice 1, Give to slice 2 etc. Hitless 10G DWDM bandwidth adjustment hard or soft per slice 1 x 2xGE LAG per slice NF NFNF NFNF NF NF NF NF NF NF NF NF NFNF NF NF NF Thousands of possible NF placements. Chosen by global optimizer. Hitless changes. State 1 State n State 2 1 2 3 1 3 2 Interrelated Dimensions
  • 22. 22 Logical Demo and Physical Hardware 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B DWDM Emulator Server DC A/1 Server DC A/2 TSDN SONAC 5G ORCH Server DC B/1 Server DC B/2 DWDM C Load Generator B-CUBE(FPGA) OPTIX9800(DWDM) 2288 Servers 6850(switch) R F U R F U R F U 6800 Servers 2288 Servers 2288 Servers OPTIX9800(DWDM) OPTIX9800(DWDM) eMBB URRLC MMTC 1000Mhz(5x20Mhz)@4.6Ghz F-OFDMF-OFDMF-OFDM 15Khz30Khz30Khz 0.5ms 7 symbol 0.25ms 7 symbol SCMA 0.25ms 7 symbol SUB FRAME FRAME UE-Server UE-Radio (FPGA) UE-Server UE-Radio (FPGA) : : cv Spectrum Analyzer 6850(switch) MUX MUX SUB FRAME SUB FRAME
  • 24. 24 DWDM NETWORK + ROADMS General purpose compute in DC and C-RAN including 40GE High Density Switches LAG’ed over DWDM network. 5G Radio real time logic in BEE-7 FPGAs. 5G UE Radios real time FPGAs and test servers.
  • 25. SONAC DEMO GUI IMPORTANT KPIS FOR EACH SLICE TRANSPORT BANDWIDTH CRAN-DC 100 Mhz as 5x20Mhz F-OFDM blocks colored to show slice assignment High level view of what’s happening View of Messaging data flow
  • 26. Resource allocation by mixed integer/linear program System Resources = • Server resources • CPU • Memory • IO • OTN Resources • Bandwidth System Costs = • Resource costs • Server-server cost • Server delays • Server-server delays Optimization program: Minimize selected costs/delays while: • Placing network functions(slices) and • Respecting system resource limitations. ≤ NP-hard combinatorial problem Randomized algorithms - approximate solutions but: •Good scalability •Parallelizable •Continuous optimization tracks requirement changes •Start at LP solution and branch-and-bound MILP is a well known method, but: •Poor scalability •Problem changes before you compute solution constraints variables Embb-MME Embb-HSS Mmtc-PHY Embb-nb Embb-gw Embb-content Ordering ConstraintBW(demand) Resources(demand) Slice ~= Graph of network functions (creates ordering constraints) Resource utilization = fnetwork-function(slice demand)
  • 27. 27 STATE-0 – idle, no slices, NFs, min BW 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B 9800 Emulator Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH Server DC B/1 Server DC B/2 DWDM C NF NF NF NF NF No network functions present in either CRAN /EDGE or DC. 1 2 3 Test UE’s are all idle Minimum B/W up between DC’s. 4G RADIO PHY Real LTE UE’s are disconnected
  • 28. 28 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B DWDM Emulator Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH Server DC B/1 Server DC B/2 DWDM C NF NF NF NF 1 Operator !! requests LTE slices EPC NF’containers placed in C-RAN 2 Global Optimizer assigns resources 3 LTE MME&HSS NFs placed in DC, cores assigned, started, configured. 3 LTE Phy H/W instantiated. E-2-E network configured and sized. 5a-OVS bridges, 5b-phys switches. 5c-TSDN allocates and brings up lambdas into switch LAG for this slice. 5 LTE in slice – create two LTE slices 4 6 Two smartphones connect, one per slice. Skype initiated. LTE-gw containers moved. Skype 4G PHY Lte-eNB LTE-mme LTE-PHY LTE-gw LTE- hss Lte-eNB LTE-mme LTE-PHY LTE-gw LTE- hss
  • 29. 29 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B DWDM Emulator Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH Server DC B/1 Server DC B/2 DWDM C NF Embb-nb NF NF NF 1 Operator !! requests eMBB slice eMBB NF’containers placed in C-RAN 1-eMBB NB protocol 2-eMBB gateways, 3-some content Cores assigned, started, configured. Embb mme Mmtc-PHY 2 Global Optimizer assigns resources 3 eMBB MME&HSS NFs placed in DC, cores assigned, started, configured. 3 eMBB PHY instantiated. Spectrum/OFDM etc. attributes configured. E-2-E network configured and sized. 5a-OVS bridges, 5b-phys switches. 5c-TSDN allocates and brings up lambdas into switch LAG for this slice. 5 STATE-1 – eMBB slice created 4 5 Test-UE’s start generating traffic into this slice for the content. >display stats 30,30303 30303. >display stats 30,30303 30303. 6 KPI displays Spectrum Analyzer etc. Embb-gw Embb hss Embb-content
  • 30. 30 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B DWDM Emulator Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH Server DC B/1 Server DC B/2 DWDM C NF Mmtc-prot Mmtf-agg NF NF NF 1 Operator !! requests MMTC slice MMTc NF’ containers placed in C-RAN 1-MMTc NB protocol 2-MTc small packet aggregator Cores assigned, started, configured. Mmtc-split Mmtc-PHY 2 Global Optimizer assigns resources 3 MMTc small packet disaggregator NF placed in DC, cores assigned, started, configured. 3 MMTc PHY instantiated. Spectrum/OFDM etc. attributes configured. E-2-E network configured and sized. 5a-OVS bridges, 5b-phys switches. 5c-TSDN allocates and brings up lambdas into switch LAG for this slice. 5 STATE-2 – mMTC slice created 4 5 Test-UE’s generate 10,000 different UE IDs. >display stats 30,30303 30303. >display stats 30,30303 30303. 6 KPI displays packet loss etc. Spectrum Analyzer etc.
  • 31. 31 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B DWDM Emulator Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH Server DC B/1 Server DC B/2 DWDM C NF Urrrlc-nb NF NF NF 1 Operator !! requests URRLC slice URRLC-NB NF container placed in C-RAN 1-URRLC NB protocol urrrlc-PHY 2 Global Optimizer assigns resources 3 URRLC PHY instantiated. Spectrum/OFDM etc. attributes configured. STATE-3 – URRLC slice created 4 5 Test-UE’s A generates urgent vehicle to vehicle message to Test-UE-B Round trip delay displayed on related laptop. >display stats 30,30303 30303. >display stats 30,30303 30303. 6 Three slices running.6 KPI displays packet loss etc. Spectrum Analyzer etc.
  • 32. 32 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B DWDM Emulator Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH Server DC B/1 Server DC B/2 DWDM C NF Urrrlc-nb NF NF NF 1 Operator !! requests URRLC slice spectrum growth by reducing MMTC spectrum MMTc NF container moved out of C-to DC because URRLC needs the compute resources. urrrlc-PHY 2 Global Optimizer has to move MMTC to DC for URRLC performance increase. Also more DC/CRAN B/W required for MMTC-protocol to PHY 3 URRLC PHY hitless spectrum increase. MMTC hitless spectrum decrease. STATE-4 – Breath- increase URLLC 4 6 Test-UE’s for all three slices continue Uninterrupted. eMBB not shown for clarity. >display stats 30,30303 30303. >display stats 30,30303 30303. 6 Three slices running after spectrum change 6 KPI displays all slices still working. Mmtc-prot Mmtf-aggMmtc-split Mmtc-PHY 5 Fronthaul B/W increased for MMTC since its moved out of C-RAN. New 10G lambda created added to LAG.
  • 33. 33 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B DWDM Emulator Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH Server DC B/1 Server DC B/2 DWDM C NF Embb-nb NF NF NF 1 Operator !! requests eMBB ICN slice ICN-ROUTER container placed in C-RAN eMBB NB Slice Selection Function SSF configured to forward ICN packets direct ICN-router NF. Mmtc-PHY 2 Global Optimizer assigns resources 3 ICN-ROUTER , MANAGER, VIDEO CONF APP containers placed in DC 4 Due to increase in MBB traffic on the ICN slice TSDN configures extra 10GE lambda to the MBB slice LAG. 5 STATE-5 – eMBB/ICN slice created >display stats 30,30303 30303. >display stats 30,30303 30303. 6 KPI displays Spectrum Analyzer etc.ICN-ROUTER ICN-ROUTERICN-MGR ICN-Video SSF 6
  • 34. 34 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B DWDM Emulator Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH Server DC B/1 Server DC B/2 DWDM C Embb-nb Mmtc-PHY STATE-6 – eMBB/ICN slice operation 3 ICN UEs register interest In SOURCE’s content. >display stats 30,30303 30303. >display stats 30,30303 30303. 6 ICN Manager Displays KPIs. ICN-ROUTER ICN-ROUTERICN-MGR ICN-Video ICN-SOURCE SSF 1 ICN Source content follows interest ‘tree’ 2 2 3 ICN replicates at a fork in interest directly to eMBB-NB In same C-RAN DC. 4 eMMB-NB SSF sends To ICN ROUTER(s) Bypassing eMBB G/Ws. 5 ICN UE-s receive content of interest.
  • 35. 35 State-7 Breathing response to B/W 5G RADIO PHY 10GE SWITCH- A DWDM A DWDM B 10GE SWITCH- B Server DC A/1 Server DC A/2 T-SDN CTRL 5G ORCH DWDM C Generate 9.5 G worth of background eMBB traffic into eMBB slice LAG. 1 2 5G Orchestrator notes increased B/W in slice at critical link and asks TSDN for additional 10G lambda which it then add to the LAG in a make-before-break manner (no hit). +l SPIRENT TESTER

Editor's Notes

  1. If we look at some of the goals of 5G vs where we are today we an see the gap that has to be bridged over the next few years. The goal of 1ms latency is nearly 50x better than current LTE systems, to get from 100Mbps per user to 10G we need 100x the throughput per connection. The current 10,000 connections per square kilometer needs to increase to 1Million connetions so a 100x increase in density. Reliabile communications today with LTE top out about 350km/h and we expect to bring that up by 1.5x to 500km/h . Finally the current core networks and backhaul/front haul are inflexible with wasted pools of bandwidth. The introduction of SDN/NFV will allow much better ability to chop up and virtualize the network resources for lower operational costs and capital costs and much greater flexibility.