Simple Programmable Massively scalable · 2020-06-25 · Simple Programmable Massively scalable...
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Benefits No change to SRv6 data plane nor to control plane 18 micro-instructions in only 40 bytes => best SRv6 compression solution Ultra 5G scale to enable any use case Program your network with a simple list of instructions One instruction only More than one instruction Instruction DNA IPv6 Packet Header Instruction Data TCP Packet Header #1 Instruction #1 Instruction #N IPv6 Packet Header Data DA Destination Address DA Destination Address Segment Routing Header TCP Packet Header Segment ID (0) Segment ID (N) Instruction Segment ID (128 bits IPv6@) Locator Function Argument (Local) Points to any possible function e.g. app in a VM or container Routes to the node performing the function according to slice’s SLA Parameter passed with the function call Network Programming Instruction #1 Use Case #1 - VPN over Best-Effort 5G Slice VPN service over a best-effort 5G slice implemented with only ONE instruction Use Cases Locator Function Argument (Local) Network Program Instruction VRF 9 VRF 9 IS-IS base algo (Low Cost, Best Effort) 1instruction only - No SRH required SRH containing ONE instruction Locator Node 3 B:3::/64 B:3:: V(9) No Argument D:3:: V(9) No Argument 1 2 6 5 3 Use Case #2 - VPN with Low-Delay 5G Slice VPN service over a Locator Function Argument (Local) IS-IS Algo (Low Delay) Bad Delay Locator Node 3 D:3::/64 1 2 6 5 3 low-delay 5G slice implemented with only ONE instruction thanks to Flexible Algorithm. D:2:: SNORT No Argument D:3:: V(9) No Argument Use Case #3 - Snort firewall, VPN & Low-Delay Slice use case VPN service over a Locator Function Argument (Local) IS-IS Flex Algo (Low Delay) Bad Delay Locator Node 3 D:3::/64 1 2 6 5 3 low-delay 5G slice with SNORT firewall implemented with TWO network instructions. D:2:SNORT VRF 9 SRv6 key benefits: </ > Massively scalable Simple Programmable Large-scale deployments across 10,000+ hardware routers supporting multiple 10’s of millions of subscribers Publicly announced: SoftBank Iliad What’s a micro-instruction? Carrier Instruction 16 bits 16 bits 16 bits 16 bits 16 bits 16 bits 16 bits 16 bits Carrier Identifier Up to six micro-instructions Carrier Identifier Up to six micro-instructions Network Program Instruction BBBB BBBB GO TO GO TO 8 GO TO 2 GO TO 7 8 GO TO 7 GO TO 2 END 1 4 5 8 2 3 6 7 END END Site A Site B Massive scale with micro-instructions Customer adoption at record speed SRv6
Transcript of Simple Programmable Massively scalable · 2020-06-25 · Simple Programmable Massively scalable...
BenefitsNo change
to SRv6 data plane nor to control plane
18 micro-instructions in only 40 bytes =>
best SRv6 compression solution
Ultra 5G scale to enable any
use case
Program your network with a simple list of instructions
One instruction only
More than one instruction
Instruction DNA
IPv6 Packet Header
Instruction
Data
TCP Packet Header
#1
Instruction #1
Instruction #N
IPv6 Packet Header
Data
DADestination
Address
DADestination
Address
SegmentRoutingHeader
TCP Packet Header
Segment ID (0)
Segment ID (N)
InstructionSegment ID (128 bits IPv6@)
Locator Function Argument (Local)
Points to any possible function e.g. app in a VM
or container
Routes to the node performing the
function according to slice’s SLA
Parameter passed with the function call
Network Programming
Instruction #1
Use Case #1 - VPN over Best-Effort 5G Slice
VPN service over abest-effort 5G sliceimplemented with onlyONE instruction
Use Cases
Locator Function Argument (Local)
Network Program Instruction
VRF9
VRF9
IS-IS base algo (Low Cost, Best Effort)
1instruction only - No SRH required
SRH containing ONE instruction
Locator Node 3
B:3::/64
B:3:: V(9) No Argument
D:3:: V(9) No Argument
1 2
6 5
3
Use Case #2 - VPN with Low-Delay 5G Slice
VPN service over a
Locator Function Argument (Local)
IS-IS Algo(Low Delay)
Bad Delay
Locator Node 3
D:3::/64
1 2
6 5
3
low-delay 5G sliceimplemented with only ONE instruction thanks to Flexible Algorithm.
D:2:: SNORT No ArgumentD:3:: V(9) No Argument
Use Case #3 - Snort firewall, VPN & Low-Delay Slice use case
VPN service over a
Locator Function Argument (Local)
IS-IS Flex Algo(Low Delay)
Bad Delay
Locator Node 3
D:3::/64
1 2
6 5
3
low-delay 5G slicewith SNORT firewall implemented with TWO network instructions.
D:2:SNORTVRF
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SRv6 key benefits:
</ >Massively scalableSimple Programmable
Large-scale deployments across10,000+ hardware routers supporting multiple 10’s of millions of subscribers
Publicly announced:SoftBankIliad
What’s a micro-instruction?
Carrier Instruction16 bits
16 bits
16 bits
16 bits
16 bits
16 bits
16 bits
16 bits
Carrier Identifier Up to six micro-instructions
Carrier Identifier Up to six micro-instructions
Network Program Instruction
BBBB BBBBGO TO
GO TO 8
GO TO 2
GO TO 7
8GO TO
7GO TO
2 END
1 4 5 8
2 3 6 7
END END
Site A
Site B
Massive scale with micro-instructions
Customer adoption at record speed
SRv6
