SDN TO BE OR NOT TO BE. Uwe Richter SE Director Russia/CIS, East and South East Europe
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1 SDN TO BE OR NOT TO BE Uwe Richter SE Director Russia/CIS, East and South East Europe
2 FUNDAMENTAL PROBLEMS TO SOLVE Want more innovation in networking Want it more quickly too Want more control Over all aspects devices, ports, traffic, services, Want more abstraction Understand better what I think I m doing Want more visibility Understand what is actually happening 2 Copyright 2013 Juniper Networks, Inc.
3 SDN IS A NEW ARCHITECTURAL PARADIGM Management Plane M Service Plane S S S Control Plane C C VMs on x86 Control Forwarding Plane Forwarding THE SYSTEM AS A PLATFORM THE NETWORK AS A PLATFORM 3 Copyright 2013 Juniper Networks, Inc.
4 SEVEN MYTHS ABOUT SDN Myth It s only about Data Centers Reality It applies to all network areas and all networking services $ It s only about reducing CapEx OpEx reduction is equally or even more significant It s only about Software It will fuel hardware innovation It s only about centralization It s about getting the right balance between centralization and distribution It s only about OpenFlow OpenFlow is just a protocol, and not even the most important one for SDN It s going to happen immediately It will happen step-by-step It s going to take forever You will see the first results in Copyright 2013 Juniper Networks, Inc.
5 SDN AND JUNIPER`S JOURNEY Juniper Networks Fundamentals Use General Purpose Infrastructure Centralize As Much as You Can, Distribute When You Must Automate Everything That Can Be Automated Leverage an Open Software Platform A D N P I O N E E R Pre-SDN Juniper Execution Open JUNOS with SDK (partners/customers) Router Embedded Service Plane (router blade) with internal service chaining Flexible Service Delivery Gateway (seamless MPLS) Open Network Software Appliance (Junos Space / SDK) Software to Hardware offload (Fast-Update-Filters) Enhanced control capabilities of the forwarding plane (BGP Flow Spec, Openflow, Qfabric) AAA - Policy and Control Management (SBR / SRC) 5 Copyright 2013 Juniper Networks, Inc.
6 JUNIPER S SDN STRATEGY: General Principles Separate Centralize Use the cloud Common Platform 4 Juniper Steps Standard Apply Broadly Centralize Management 1 New Licensing Model Extract Services Centralize Controller Optimize the Hardware JUNIPER SOFTWARE ADVANTAGE Full Use/Elastic Transferable Software Lifetime Assurance 6 Copyright 2013 Juniper Networks, Inc.
7 JUNIPER S SDN STORY Principles of SDN Separate networking into four layers Forwarding, Control, Services and Management Centralize Mgmt, Services and Control layers, as appropriate Customer Benefits Optimize each network element Simplifies network design and lowers opex Cloud for elastic scale, pay-by-use, and cost-effective deployment Reduce time to services and correlates cost based on value Common Platform for Network and Security applications Enables new business solutions Standard protocols for interoperability across vendors Provides choice and lowers cost Broadly apply to enterprise, mobile & wireline customers & data centers Flexibility and new business opportunities 7 Copyright 2013 Juniper Networks, Inc.
8 SDN AS A COMPILER SAY WHAT YOU WANT, NOT HOW User reqts High-level, declarative specification of network requirements Management plane Parse and store Parse and process specification Control plane Compile, translate to low level language Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane 8 Copyright 2013 Juniper Networks, Inc.
9 HIGH-LEVEL SPECIFICATION: SERVICE CHAINING High-level spec: connect tenant 1 and tenant 2 via services S1 and S2 Low-level constructs: VRFs, labels, route leaking, BGP next hops Service instances could be physical or virtual tenant t1- a tenant t1- b S1 S2 tenant t2- a tenant t2- b tenant rou,ng instance ri- t1 Data plane traffic service rou,ng instance ri- s1 Control plane route leaking service rou,ng instance ri- s2 tenant rou,ng instance ri- t2 next- hop- self + new label tenant could be a class of subscribers, a class of traffic, a business customer or a tenant in a cloud DC 9 Copyright 2013 Juniper Networks, Inc.
10 HIGH-LEVEL SPEC: CHANGING SERVICE CHAINS High-level: connect tenant 1 and tenant 2 via services S1, S3 and S2 Low-level: VRFs, labels, route leaking, BGP next hops tenant t1- a tenant t1- b tenant rou,ng instance ri- t1 S1 service rou,ng instance ri- s1 S3 service rou,ng instance ri- s3 S2 service rou,ng instance ri- s2 tenant t2- a tenant t2- b tenant rou,ng instance ri- t2 The details of how to insert S3 (create new VRF, change route leaking, next hops, etc.) are the responsibility of the SDN system Data plane traffic Control plane route leaking next- hop- self + new label Service chaining via BGP has been tried before; however, managing this by hand has been tried and abandoned: too cumbersome and error-prone 10 Copyright 2013 Juniper Networks, Inc.
11 EXAMPLE SDN SERVICE CHAIN Datacenter Cloud Application Internet to Web Server Runs as a VM Internet Router Stateful Firewall Application Delivery Controller Hypervisor vswitch Web Server 11 Copyright 2013 Juniper Networks, Inc.
12 EXAMPLE SDN SERVICE CHAIN Data Center Cloud Web Server VM to Mid-tier VM Runs as a VM Web Server Hypervisor vswitch Application Delivery Controller Hypervisor vswitch Mid-Tier Application Physical Network 12 Copyright 2013 Juniper Networks, Inc.
13 EXAMPLE SDN SERVICE CHAIN Mobile Service Provider Edge Runs as a VM Edge Router Evolved Packet Core Stateful Firewall Deep Packet Inspection Policy & Charging Enforcem ent Function Carrier Grade Network Address Translatio n Edge Router 13 Copyright 2013 Juniper Networks, Inc.
14 FOUR LAYER ARCHITECTURE OpenStack CLI GUI OSS SDN System Northbound APIs NB APIs Centralized Distributed, but not 1-1 with DP Management Layer Configura,on State Opera,onal State Control Plane Layer CP- 1 CP- 2 CP- M Services Layer and Analy,cs Highly distributed but not dumb Data Plane (Forwarding) Layer DP- 1 DP- 2 DP- 3 DP- N 14 Copyright 2013 Juniper Networks, Inc.
15 SECURITY & NETWORKING DEVICES Past SOFTWARE HARDWARE OR OSS/BSS CLI SERVICES MANAGEMENT CONTROL PROCESSOR SERVER 15 Copyright 2013 Juniper Networks, Inc.
16 SECURITY & NETWORKING DEVICES 2012 SOFTWARE HARDWARE OR OSS/BSS Management Services CLI SERVICES MANAGEMENT CONTROL PROCESSOR SERVER 16 Copyright 2013 Juniper Networks, Inc.
17 CENTRALIZATION CENTRALIZED FUNCTIONS DISTRIBUTED DEVICES Centralized Management Network Element 1 Network Element 2 Network Element n Configuration copy Configuration copy Configuration copy Centralized Services Local Control layer Local Control layer Local Control layer Centralized Controller Forwarding Layer Forwarding Layer Forwarding Layer 17 Copyright 2013 Juniper Networks, Inc.
18 STEP 1: Centralize Management Published Protocols Open standard where possible SOFTWARE HARDWARE Orchestration OSS/BSS Custom Applications Management VMs Analytics VMs Data Center Orchestration Option A CONTROL PROCESSOR X86 SERVER Option B CONFIGURATION COPY SERVICES CONTROL PROCESSOR X86 SERVER RACK 18 Copyright 2013 Juniper Networks, Inc.
19 STEP 2: Extract Services SOFTWARE HARDWARE TETHERED SERVICES Custom Applications Mgmt & Analytics VMs Analytics VMs Data Center Orchestration Option A CONTROL PROCESSOR X86 SERVER CONFIGURATION COPY SERVICES Option B CONTROL PROCESSOR X86 SERVER RACK 19 Copyright 2013 Juniper Networks, Inc.
20 JUNIPER In 2013 JUNOS SOFTWARE MX HARDWARE TETHERED SERVICES Custom Applications Junos Space SGSN/MME, Media Cache JunosV Orchestration Option A CONTROL PROCESSOR X86 SERVER CONFIGURATION COPY SERVICES Option B CONTROL PROCESSOR X86 SERVER RACK 20 Copyright 2013 Juniper Networks, Inc.
21 STEP 3: Centralize the controller SOFTWARE HARDWARE Custom Applications SERVICE CHAINING Mgmt & Analytics VMs Services VMs Central Controller VMs CONFIGURATION COPY SERVICES Data Center Orchestration CONTROL PROCESSORS X86 CLOUD 21 Copyright 2013 Juniper Networks, Inc.
22 JUNIPER In 2014/2015 JUNOS SOFTWARE MX AND SRX HARDWARE Custom Applications SERVICE CHAINING Junos Space Juniper Linux ServiceVMs Contrail Controller VMs JunosV App Engine CONFIGURATION COPY SERVICES VMware or OpenStack X86 ROUTING ENGINE X86 CLOUD 22 Copyright 2013 Juniper Networks, Inc.
23 STEP 4: Optimize the Hardware SOFTWARE HARDWARE Option A Option C Custom Applications SERVICE CHAINING Mgmt & Analytics VMs Services VMs Central Controller VMs Data Center Orchestration CONTROL PROCESSOR Option B X86 SERVER Option D CONTROL PROCESSOR X86 CLOUD CONFIGURATION COPY LOCAL CONTROL OPTIMIZED CONTROL PROCESSOR X86 SERVER RACK X86 CLOUD 23 Copyright 2013 Juniper Networks, Inc.
24 JUNIPER SDN MACHINERY A new flexible software licencing scheme Full Use / Elastic JUNIPER SOFTWARE ADVANTAGE Transferable Software Lifetime Assurance Build a framework for software to run on x86 platforms Develop a to-be-standardized Service Chaining framework with provisioning from VM to device (router/fw/switch) Service Control plane A Enhanced Data Plane 24 Copyright 2013 Juniper Networks, Inc.
25 DEMO/TRIAL Demos in progress Many already done for providers in the US and APAC Demo at MPLS World Congress Demos can be done in the Amsterdam PoC lab SDN System available in beta soon Target: DC use case JSP/JVAE targeted for later this year Target: Service Edge use case 25 Copyright 2013 Juniper Networks, Inc.
26 Cпасибо!
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