IPv6 on Nokia Siemens Networks Strategy

Transcription

1 on Nokia Siemens s Strategy Tiago Santos Agenda 1. Nokia Siemens s - Company Overview 2. The Need for 3. Transition to 4. Wrap Up 2 Nokia Siemens s ATEC / Nov /

2 1. Nokia Siemens s - Company Overview 2. The Need for 3. Transition to 4. Wrap Up 3 Nokia Siemens s ATEC / Nov / 2011 Global company with a rich heritage Joint venture of Nokia and Siemens, recently acquired Motorola s wireless networks infrastructure business Started operations on April 1, bn net sales in years of telecom experience ~74,000 employees ~46,000 service professionals (including externals) > 80 out of the top 100 operators worldwide 150+ countries 3 billion mobile subscribers and ¼ of world s voice households served 4 Nokia Siemens s ATEC / Nov /

3 Nokia Siemens s an industry leader Focused on helping CS s transform their network, operations, the customer experience and ultimately, the CS s business Strong number 2 in the global wireless segment Number 3 in global telecoms market Number 1 in mobile broadband Best response to the 3G smart device challenge Commercial and technological leadership in LTE Fastest growing professional services and managed services in the industry Number 1 in OSS/BSS deliveries Number 1 in customer experience management Financial strength and stability Broad scope of action: Business Solutions Global Services Systems 5 Nokia Siemens s ATEC / Nov / 2011 Ubiquitous I One common denominator to NSN s portfolio Most efficient usage of available\ spectrum GRS HSA LTE WiFi CDMA WCDMA Flexible transport and optimal delivery of content DWDM MLS-T I/MLS MLS VNs NGN Release4 IMS acket Core Evolved acket Core Support of cloud services and use of virtualization Multi Screen TV Mobile Internet Browsing Messaging Location Based Services VAS as a Service Rich Communication Cloud Computing Machine to Machine (M2M) Multi-media broadband access DSL GON NGOA MWR FTTH NG-SDH Management of user experience and control of the network Subscriber Data Management Service Quality Management Reporting and Analytics Identity Management Customer Care Automation Device Management 6 Nokia Siemens s ATEC / Nov /

4 1. Nokia Siemens s - Company Overview 2. The Need for 3. Transition to 4. Wrap Up 7 Nokia Siemens s ATEC / Nov / 2011 Main motivation for : address depletion Address Report by Geoff Huston as of 17-May-2011 IANA Unallocated Address ool Exhaustion: 01-Feb-2011 rojected RIR Unalloc. Address ool Exhaustion: 15-Apr-2011 Current RIR Address Status RIR Assigned Remaining Addresses (/8s) Addresses (/8s) AFRINIC ANIC ARIN LACNIC RIE NCC With the current available address space it is not possible to meet the huge increase of needs of users, service providers and enterprises or the geographical needs of the Internet expansion Internet Assigned Numbers Authority (IANA) already run out and subsequently the five Regional Internet Registries (RIRs) are expected to run out of addresses for direct assignments by 2H2011 Source: 8 Nokia Siemens s ATEC / Nov /

5 Facts on Internet usage Internet penetration lagging in many regions => growth is inevitable As networks are growing the negative impact of workarounds introduced to maintain will impact more and more 9 Nokia Siemens s ATEC / Nov / 2011 I is key to enter growing new business segments successfully ervasive Internet & smart services market forecast* Revenue per year 80 Bn 70 Bn 60 Bn 50 Bn 40 Bn 30 Bn 20 Bn 10 Bn 0 Bn CAGR : 27% Health Care CAGR : 25% CAGR: 34% CAGR : 33% CAGR : 34% CAGR : 40% CAGR : 29% Retail Energy Transport Security Industrial IT & s * Source Harbor Research: ervasive Internet & Smart Services Market Forecast ( ) CAGR : 35% Building New services are about to go commercial introducing nonconventional User Equipments in a large scale: Smart Grids Smart Metering Car sensors Smartphones I Televisions Domotics 10 Nokia Siemens s ATEC / Nov /

6 Key Features and Enhancements Addressing and Routing System Management addresses 32 bit long NAT is usually used to overcome lack of public addresses with its drawbacks Checksum operation Datagram fragmentation Options integrated into the basic header AR for resolving I addresses to link-layer addresses I configuration: Static, DHC (Statefull configuration) uses a 128 bit addressing scheme Improved Routing Efficiency with Hierarchical Address for Aggregation Improved Multicast support with larger number of Multicast Groups NAT not required in pure No checksum Router never fragment packets Six Extension Headers for options Hop-by-Hop Options, Routing, Fragment, Destination Options, Authentication, Encrypted Security ayload Neighbor discovery Stateless auto-configuration Duplicate Address Detection Security ISec is an extension of the protocol NAT turns security more complex ISec is part of basic by default Security policies more easier without NAT Mobility In Mobile, the foreign network has a Foreign Agent In Mobile foreign agents are not needed Mobile uses Routing Header and Destinations Options Header Quality of Service Type of Service (ToS) field in header DiffServ used (DSC bits from ToS) DSC to MLS EX mapping used 11 Nokia Siemens s ATEC / Nov / 2011 Traffic Class field (8 bits) is available Flow label (20 bits) enables per-flow processing Routing and Hop-By-Hop Extension headers can be used to signal QoS requirements maturity Standardization Status as a standard technology is mature Specified by the IETF (RFC 2460) was first published in December 1998 Number of enhancements, extensions defined in more than dozen RfCs Transition mechanisms standardized: 4in6, 6in4, 6over4, 6rd, 6to4, ISATA, Teredo, TS, TRT, SIIT 3G has adopted, E2E architecture defined in 3G Rel 8 and Rel 9 IMS compliant since its introduction of Rel-5 available Broad Band Forum adopted specifications WT-177 and WT-187 supporting Work is ongoing on other enhancements: NAT64/DNS64, DS-Lite, GI-DS-Lite Implementation Status C/Laptop Operating systems and products embrace it: Windows Vista, Windows 7, Windows X ( X some limitations) Apple Mac OS X, Linux, *BSD, Sun Solaris supports in hones started providing support Symbian S60 supports in general Major device manufacturers have Rel. 8 phones on roadmap ing devices support: Router / networking gear support widely available (Juniper / Cisco etc.) Home-gateways available with as standard is mature 12 Nokia Siemens s ATEC / Nov /

7 1. Nokia Siemens s - Company Overview 2. The Need for 3. Transition to 4. Wrap Up 13 Nokia Siemens s ATEC / Nov / 2011 Transition Tools Solution Core/Edge Backbone Dual Stack 6E 6VE Access/ Dual Stack Enterprise router Residential gateway Mobile User Equipment Tunneling over : 6to4, Teredo, ISATA, 6rd Depletion Mitigation NAT444 End point independent NAT DS-Lite Tunneling over to Translation NAT64 DNS64 Stateless Statefull Source: Source 14 Nokia Siemens s ATEC / Nov /

8 I Backbone and RG Dual Stack and protocol coexist in the same network / network elements Dual Stack capable devices supports and simultaneously in the same interface Dual Stack routers support both and routing protocols and are able to forward as well as packets Enables applications to communicate across an or an network Dual Stack Host Dual Stack RG Dual Stack Dual Stack Router ROS CONS Leverage existing network Single subscriber management point No new boxes introduced Extend existing olicy/aaa/ management/li infrastructure Need dual stacked RG and that interoperate Existing RGs may need to change 15 Nokia Siemens s ATEC / Nov / 2011 I Backbone 6E regular routing (IG: OSFv2 / IS-IS) and MLS label distribution (LD / RSV-TE) dual stack MLS Core dual stack E E (internal) M-BG session to exchange reachability 16 Nokia Siemens s ATEC / Nov /

9 I Backbone 6VE regular routing (IG: OSFv2 / IS-IS) and MLS label distribution (LD / RSV-TE) VN A dual stack MLS Core dual stack VN B E E VRF A VRF B VRF B VRF A VN B VN A routes exchange according to separate VN Routing and Forwarding tables (VRFs) (internal) M-BG session for VN address family peering 17 Nokia Siemens s ATEC / Nov / 2011 I Backbone 6VE (v4v6) + + dual stack network regular routing (IG: OSFv2 / IS-IS) and MLS label distribution (LD / RSV-TE) VN A dual stack MLS Core dual stack E E VRF A VRF A VN A and routes exchange according to Multi-rotocol VRF table containing and entries (internal) M-BG session for VN address family and VN address family peering dual stack network 18 Nokia Siemens s ATEC / Nov /

10 6to4 Tunnel Router-to-Router automatic tunnel method IANA has assigned a special TLA for the 6to4 scheme. The address prefix is 2002::/16 addresses prefix derived from 2002::/16 prefix and 6to4 Gateway address 6rd is similar to 6to4, with the key differentiator that it utilizes an CS's own address prefix rather than 2002::/16 tunneled in Host 2002:3e02:5490::/48 prefix RG (6to4 Gateway) :3e02:5490::/48 prefix ROS CONS Dual Stack Router (6to4 end point) V6 traffic is transparent to the network A separate box handles all v6 traffic and directs it to the v6 The RG may need SW upgrade Does not scale to size of today s network Can be initial roll out 19 Nokia Siemens s ATEC / Nov / 2011 NAT444 Three layers of addressing A private block within the user network A different private block for the user-to-provider links A public address on the outside of the CG-NAT In NAT444, the same address block can be reused within each customer network, and the same block can be reused on the inside of each CGNAT for the user-to provider links It is this reuse of addresses behind multiple CG-NATs that provides the address scaling for NAT444 architecture rivate NAT44 ROS rivate rivate CONS CGNAT NAT444 Internet No need for change the current specification All consists of existing technologies. Easier to implement Session states at Core Scalability Concern (massive number of sessions) Applications are restricted Creates regulatory challenges Need for ALG functions Translation: private to public address 20 Nokia Siemens s ATEC / Nov /

11 DS-Lite DS Lite function occurs on If a device sends an packet, the packet is routed normally to the destination If a device sends an packet, the gateway performs the -in- encapsulation, setting the destination address of the packet to the address of the DS Lite enabled CGNAT (doing NAT 44) Dual Stack Lite Terminology Basic Bridging BroadBand element (B4) Address Family Transition Router element (AFTR) rivate B4 Dual Stack ROS tunneled in Only one layer of NAT (no dual NAT like NAT444) Transit can be only CONS AFTR CGNAT NAT44 Requires change Same concerns as NAT444 applies in terms of CGN Internet 21 Nokia Siemens s ATEC / Nov / 2011 NAT64 to Address Translator The headers of packets passing between an -only end system and an -only end system are converted from one protocol to the other A special DNS ALG, known as DNS64 is used: The host thinks that it is communicating with another system, and the system thinks that it is talking to another system Neither end system participates directly in the translation process Internet CGNAT NAT64 ROS CONS Allow for only sites to communicate with only sites Statefull NAT provide 1:N translation and keeps bindings state information Stateless NAT saves performance Same concerns as with NAT444 Statefull NAT requires more CU resources Stateless NAT does not save public addresses Translation: private to public address 22 Nokia Siemens s ATEC / Nov /

12 3G/LTE networks and Now: Dual Stack plus NAT44 SGSN CGNAT 3G NAT44 Dual Stack NodeB RNC GGSN transport dual stack D context MME LTE Dual Stack enodeb Building Blocks: 3G Release-9 supports Dual Stack D context 3G Evolved acket System (ES, Release-8) introduced Dual Stack ES Bearer NAT 44 DNS4 and DN6 DHC v6 v6 dual stack ES bearer transport SAE GW Future: Single Stack plus NAT64 SGSN 3G CGNAT NAT64 D context NodeB RNC transport LTE GGSN MME Building Blocks: 3G and ES standards as before NAT 64 (statefull) DNS 64 DHC v6 enodeb ES bearer transport SAE GW 23 Nokia Siemens s ATEC / Nov / 2011 Transition Summary Global & rivate Global & NAT 444 DS Lite NAT 64 Global, no Dual stack 24 Nokia Siemens s ATEC / Nov /

13 1. Nokia Siemens s - Company Overview 2. The Need for 3. Transition to 4. Wrap Up 25 Nokia Siemens s ATEC / Nov / 2011 scalability roliferation of applications and devices Addresses 3,40e+38 ~ I enabled TVs SmartGrids Car sensors Telepresence Mainly Mobile phones and Cs addresses to be exhausted in 2011 to 2012 Smartphones Social networking 2010 > Nokia Siemens s ATEC / Nov /

14 Nokia Siemens s brings to networks Standardization is ready Holistic view on I Key driver of standardization Technical directive: Introduction of in all products Leading I-integrator in CS environment End-to-end solutions across access, aggregation and core Memberships: IETF administrative Board of directors ICAAN Chairs of RIEv6 German council Fast rollout with experience We migrate leading operator networks to today 1 Implication 2 Migration Study strategy Model 3 integration 4 Migration to and oc life network 27 Nokia Siemens s ATEC / Nov / 2011 Thank You 28 Nokia Siemens s ATEC / Nov /