Network Commodity Innovations

Size: px

Start display at page:

Download "Network Commodity Innovations"

Quentin Leonard
8 years ago
Views:

5 Insert Innovation ART1 ART1 Unidir traffic X1 X2 Secondary Link R1 RUT1 X10 R2 RUT2 Primary Link G1 ART4 ART4 R1 and R2 routers with different capabilities. Traffic generated from ART1 X3 ART2 ART1 (Background traffic) X14 ART3 ART4 (Background traffic) 2013 Cisco Systems, Inc. All rights reserved. 5

6 Insert Innovation ART1 ART1 Unidir traffic X1 X2 Secondary Link R1 RUT1 X10 R2 RUT2 Primary Link G1 ART4 ART4 X3 X14 Failure of the primary link. Traffic should be diverted to the secondary link. ART2 ART1 (Background traffic) ART3 ART4 (Background traffic) 2013 Cisco Systems, Inc. All rights reserved. 6

7 Insert Innovation Careless usage of innovation can deteriorate the network parameters ART1 ART1 Unidir traffic X1 X2 Secondary Link R1 RUT1 Loop X10 R2 RUT2 Primary Link G1 ART4 ART4 X3 X14 ART2 ART1 (Background traffic) ART3 ART4 (Background traffic) 2013 Cisco Systems, Inc. All rights reserved. 7

8 Routing Trends Mobility and Multitenancy due to Tunneling and Overlay Routing Mobile IPv6, LISP 1 DNS)Entry:) D.abc.com))))A)))) ) )$>) ) )$>) ) )$>) ) /24! LISP)Site) S) 3 Mapping Entry ITR) ! ! ! EID$prefix:)) /24) Locator$set:)) )) ,)priority:)1,)weight:)50)(D1)) Non$LISP)site) Non$LISP)site) )) ,)priority:)1,)weight:)50)(D2)) IP)Network) ! PiTR) ! ! EID$to$RLOC) mapping) ! ! ! This Policy Controlled by Destination Site )$>) ) ETR) West$DC) D) /24! /24! East$DC) 2013 Cisco Systems, Inc. All rights reserved. 8

9 Segment Routing Application Controls The network is simple, highly programmable and responsive to rapid changes 2G from A to Z please Tunnel AZ onto {66, 68, 65} 66 FULL Path ABCOPZ is ok. I account the BW. Then I steer the traffic on this path 2013 Cisco Systems, Inc. All rights reserved. 9

10 Segment Routing Application Overlay Each slice has its own virtual topology with resources Each slice engineers any of its flows on any path it selects and changes it at any time it wants 2013 Cisco Systems, Inc. All rights reserved. 10

18 Data Center Edge Trends Everyone can build a public or private Data Center today. STP elimination. Lower Opex cost. Virtualization Control External Subnet Route Injection ARP, IGMP, DHCP with endpoints L3 Cloud PIM, IGP, ebgp toward the L3 Network Domain 2013 Cisco Systems, Inc. All rights reserved. 18

19 Data Center Virtualization Routing and Switching in the DC moved to end points. Logical Nework Spanning Across Layer 3 VM VM VM VM VM VM VM Utilize All Links in Port Channel w/ UDP 2013 Cisco Systems, Inc. All rights reserved. 19

24 Security Unless security is not a service it is a cost. Now: SGT, TrustSec. Identity Services Engine 1. Authentication / identification 2. SGT tag/role assignment AD or LDAP directories used for role-assignment Prod Svr (SGT=4) Dev Svr (SGT=10) SGT 5 Switch Router Switch DC firewall DC Switch SGT Security Group Tag propagation 2013 Cisco Systems, Inc. All rights reserved. 24

26 Innovation out of Commodity Ready to Use: Routing + Tunneling = Mobility Switching over Routing = Overlay DC Routing over Switching = Overlay SP Optical + DC = Optical Storage Security + DC = Secure Computing Routing + PfR + EEM = Automation Routing + Optical = ioverlay Routing + Tunneling + Mapping = LISP 2013 Cisco Systems, Inc. All rights reserved. 26

VXLAN: Scaling Data Center Capacity. White Paper

VXLAN: Scaling Data Center Capacity White Paper Virtual Extensible LAN (VXLAN) Overview This document provides an overview of how VXLAN works. It also provides criteria to help determine when and where