Software Defined Networking (SDN) i datacenteret
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1 København 18. April, 2013 Software Defined Networking (SDN) i datacenteret Hans Donnerborg, hans@cisco.com CCIE # Cisco and/or its affiliates. All rights reserved. Cisco Connect 1
2 Med SDN i datacentret er kanten af netværket flyttet fra at være noget, der styres på en fysisk switch, til at være en virtuel enhed inde i en server. Det har i flere år været muligt at anvende en Nexus 1000v switch med VMware s hypervisor. Vi har nu support for Microsoft Hyper og yderligere hypervisors kommer til over den næste periode. Kom og hør om planerne samt hvilke features der tilbydes Cisco and/or its affiliates. All rights reserved. Cisco Cisco Confidential Connect 2
3 Hvad er Software Defined Networking? Many Definitions Openflow Controller Openstack Overlays Network virtualization Automation APIs Application oriented Virtual Services Open vswitch
4 Kundesegmenter for programmérbare netværk Test/forsøg med OpenFlow/SDN komponenter til fremtidens produktion Programmérbare API er til indsigt i og kontrol af netværkstrafik Automatisering og programmérbare overlay netværk OpenStack Ensartet politik og en ensartet service leverance Virtuelle workloads, VDI, Styring af sikkerhedsprofiler 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 4
5 Cisco Open Network Environment Platform APIs Controller/Agenter Overlay Virtuelle Netværk onepk (One Platform Kit) Åben API Udvikling til platforme IOS, IOS-XR og NX-OS Controller software til SDN udvikling OpenFlow Agent Catalyst Serien (3K) Nexus 1000V OpenStack Multi-Hypervisors Security 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 5
6 Cisco s differentiering: Multi-lag Programmérbar Application Developer Environment Analyse og Monitorering, Performance og Sikkerhed Open Network Environment OpenFlow/ SDN z Netværkselementer 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 6
7 Definitioner I SDN er kontrol og data plane dekoblet. Netværksintelligens er logisk centraliseret, Netværksinfrastruktur er ikke synlig for applikationerne åben standard for udviklere til at eksperimentere med protokoller i netværk. Leverer standard tilgang, uden at kompromitere producentens operativ system Source: Source: Opensource software anvendes i offentlige eller private Clouds; herunder Compute, Netværk og Storage services. Overlay netværk etableres på eksisterende infrastruktur (fysisk og / eller virtuel) ved brug af netværksprotokoller. Source: Cisco and/or its affiliates. All rights reserved. Cisco Connect 7
8 OpenStack Core Projects OpenStack Compute (Nova) Software to provision virtual machines on commodity hardware at massive scale OpenStack Object Storage (Swift) Software to reliably store billions of objects distributed across commodity hardware OpenStack Image Service (Glance) Services for discovering, registering, and retrieving virtual machine images 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 8
9 OpenStack Core Projects OpenStack Dashboard (Horizon) A self-service web portal to allow administrators and users to manage OpenStack resources OpenStack Identity (Keystone) Provides unified authentication across all OpenStack projects and integrates with 3rd party authentication systems OpenStack Network Service (Quantum) Provides network connectivity as a service between devices managed by other OpenStack services 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 9
10 OpenStack APIs
11 Basic Quantum API Abstractions
12 Enables Multi Tier Network External_ Network Router VM 1 (Host A) Web Server VM 2 (Host A) Application VM 3 (Host B) Database App_Network DB_Network 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 12
13 Physical Virtual Cloud Journey PHYSICAL WORKLOAD One app per Server Static Manual provisioning VIRTUAL WORKLOAD Many apps per Server Mobile Dynamic provisioning CLOUD WORKLOAD Multi-tenant per Server Elastic Automated Scaling HYPERVISOR VDC-1 VDC-2 CONSISTENCY: Policy, Features, Security, Management, Separation of Duties Switching Routing Services Nexus 7K/5K/3K/2K ASR, ISR WAAS, ASA, NAM Nexus 1000V, VM-FEX Cloud Services Router (CSR 1000V) vwaas, VSG, ASA 1000V, vnam*
14 Server Virtualization Issues 1. vmotion moves VMs across physical ports the network policy must follow vmotion (across racks, PODS, DCs) 2. Must view or apply network/security policy to locally switched traffic Port Group Security Admin Server Admin 3. Need to maintain segregation of duties while ensuring non-disruptive operations Network Admin
15 Where do we fit in that? Cloud Portal and Orchestration System Center CIAC/ OpenStack/ Partners L4-7 Virtual Network Infrastructure L2-3 WAAS Cloud Network Services ASA 1000V VSG NAM NetScaler Partners vpath Nexus 1000V Hypervisor Hyper-V Multiple (vsphere, KVM, Xen, open source) Computing Platform Physical Network Storage Platform
16 Cisco Nexus 1000V for Hyper-V VM VM VM VM VM VM VM VM Nexus 1000V VSM Nexus 1000V VEM VMware vsphere Nexus 1000V VSM Nexus 1000V VEM WS 2012 Hyper-V VMware vcenter SCVMM 2012 SP1 Consistent architecture, feature-set & network services ensures operational transparency across multiple hypervisors.
17 Cisco Nexus 1000V for Hyper-V Operational Model with SCVMM VM VM VM VM SCVMM manages the placement and live-migration of the VMs based on the constraints between VM networks and the network sites. Nexus 1000V VEM Windows server 2012 Hyper-V Server SCVMM Networks & policies synced to SCVMM Adds hosts to N1KV Connects VMs (VNICs) to VM Networks Nexus 1000V VSM Create networks and policies (logical networks, network sites, VMnetworks) 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 17
18 Cisco Nexus 1000V Architecture Utilizes Hyper-V Extensible Switch Platform Capture Extension Filtering Extension Nexus 1000V is is a Forwarding Extension Extensions process all network traffic, including VM-to-VM on the same host Forwarding Extensions can Capture and Filter Traffic as well Nexus 1000V will work with other 3rd party Capture and Filtering Extensions as well Live Migration and NIC Offloads continue to work even when the extensions are present
19 Microsoft SCVMM Networking Concepts Logical Networks and Network Sites San Jose Seattle Host Host Host Host Host Host Network Site Network Site Logical Network Network Site Logical Network represents a network with a certain type of connectivity characteristics (for eg. DMZ network, intranet, isolation) An instantiation of a Logical network on a set of host-groups (for eg. hosts in a POD) is called a Network Site Network sites can be defined based on physical network connectivity or based on isolating traffic to specific hostgroups 19
20 Microsoft SCVMM Networking Concepts Associating VNICs to VM Networks & Port-classifications Choose network VM Network VM Subnet is tied to the Network (1:1) Choose IP address type (DHCP or statically assigned) Choose IP pool for static IPs Choose Port Profile Classification Policy (QoS, Security, Monitoring) A Classification refers to a Port Profile 2 0
21 DB Clients DB Servers VM VM VM VM DB Network Current N1KV/ESX Version N1KV/Hyper-V Version # port-profile db-client switchport mode access switchport access vlan 10 ip port access-group dbclient in no shut state enabled # port-profile db-server switchport mode access switchport access vlan 10 ip port access-group dbserver in no shut state enabled # network-segment db-network switchport mode access switchport access vlan 10 # port-profile db-client ip port access-group dbclient in no shut state enabled # port-profile db-server ip port access-group dbserver in no shut state enabled
22 # network-definition DMZ_POD1 # network-segment DMZ_POD1_SUBNET1 switchport mode access switchport access vlan 20 ip-pool DMZ_POD1_Pool1 network-definition DMZ_POD1 # network-segment DMZ_POD1_SUBNET2 switchport mode access switchport access vlan 21 ip-pool DMZ_POD1_Pool2 network-definition DMZ_POD1 # network-segment DMZ_POD1_SUBNET3 switchport mode access switchport access vlan 22 ip-pool DMZ_POD1_Pool2 network-definition DMZ_POD1 VM Network DMZt_POD1_SUBNET1 VM Network DMZt_POD1_SUBNET2 VM Network DMZ_POD1_SUBNET3 Network site DMZ_POD1 A Network Site is a grouping of VM Networks that are always available together on the same host simultaneously A host uplink can be configured to carry one or more Network Sites 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 22
23 vpath and Cloud Network Services Virtual Machine Attributes Virtual Machine Attributes Port Profiles Port Profiles vpath vpath 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 23
24 Cisco Nexus 1000V Pricing Will be consistent across hypervisors Advanced Edition Cisco TrustSec SXP support CISF: DHCP snooping, IP Source Guard, ARP Inspection VSG Essential Edition VLAN, ACL, QoS VXLAN, vpath LACP Multicast Netflow, ERSPAN Management vtracker vcenter Plug-in Essential Edition VLAN, ACL, QoS VXLAN, vpath LACP Multicast Netflow, ERSPAN Management vtracker vcenter Plug-in
25 Cisco Nexus 1000V Architecture vpath and VXLAN ASA 1000V N1KV VSM Cisco VSG Cisco vwaas CSR1000V Citrix VPX* Imperva WAF* Ethernet/IP Network Fabric Nexus 1000V Nexus 1000V Hypervisor Hypervisor * To be released in CY Cisco and/or its affiliates. All rights reserved. Cisco Connect 25
26 CSR Secure VPN Gateway Data Center Cloud Provider Data Center Integrating Enterprise & Cloud VPN policies Backhaul to data center increases latency Each cloud imposes different VPN type and scale limits ASR CSR 1000V Branch Location Internet WAN Router Servers Common VPN Types: IPSec, DMVPN, EZVPN, FlexVPN Routing based VPNs and private addressing Branch Location ISR Distribution and ToR Switches CSR 1000V Firewall, ACLs, AAA Direct, secure access. Avoids backhaul to data center. Familiar, reliable, and scalable VPN ISR Compatible with existing management tools
27 Cisco s Virtual Security Portfolio Virtual Network Management Center (VNMC) VMware vcenter Tenant A VSG VDC Tenant B VSG VDC vapp vapp VSG Virtual ASA provides consistent ASA feature set to secure the tenant edge VSG complements Virtual ASA to secure intratenant VM-to-VM traffic Solution provides: ASA 1000V ASA 1000V VSG Increase flexibility and operational efficiency via vpath (Nexus1000V) vsphere vpath Nexus 1000V Dynamic, context-aware, multi-tenant management via VNMC 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 27
28 Overlays - VXLAN VM VM VM VM VM
29 Nexus1000V InterCloud Securely Extend Enterprise Environment into Provider Cloud 2012 Cisco and/or its affiliates. All rights reserved. Cisco Connect 29
30 Cisco Cloud Lab - Hands On Training & Demos Hands on labs available for Nexus 1000V and VSG in Cloud Lab Open to all Cisco employees Customers/Partners require sponsorship from account team for access via CCO LoginID Extended duration lab licenses for 1000V and VSG are available upon request
31 Thank you Cisco and/or its affiliates. All rights reserved. Cisco Connect 31
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