IP Networking Over Satellite for Business Continuity and Disaster Recovery
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CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac IP Networking over Satellite for Business Continuity and Disaster Recovery Dr. Klaus•P. Dörpelkus Global Government Solutions Group (GGSG) Cisco Systems http://www.cisco.com/go/space Santa Clara, July 1st 2007 Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 1 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac Speaker Information Dr. Klaus•P. Dörpelkus Space Initiatives Europe & Emerging Markets Global Government Solutions Group Cisco Systems Inc. Tel.: +49 (0) 811 • 554 3112 Fax: +49 (0) 89 • 7499 7048 Cell: +49 (0) 172 • 832 3443 [email protected] http://www.cisco.com/go/space Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 2 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac A Space Vision from a Networking Company One day, each and every manned and unmanned spacecraft, high altitude platform, unmanned aerial vehicle, airframe… will be a node on the network. Terrestrial and space communications will be indistinguishable. Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 3 CH •X ANG DF E P CISCO Ground Space Merged Architecture (CGSMA) w Click to buy NOW! w m o w c .d k. A futuristic design of how the Internet can be deployed in space www.cisco.com/go/space ocu•trac SSP1 SSP2 SSP3 LEGEND SLOT ARCHITECTURE SPACE•BASED Office building INTERNET Slot Architecture Slot •Satellites clustered into one geostationary slot IP Video/TV could increase the flexibility and viability of the fixed amount of geostationary positions available. Standardized Satellite Interfaces •Instead of launching larger satellites to provide IP Telephony •ISL connections between different increased power and services, multiple satellites satellites should be standardized to could occupy the slot to share resources and Satellite Service Providers (SSP) increase usability and flexibility of the services. network. Network •SSPs create networks out of their own ground •This architecture reduces single failure events, Management and space•based infrastructure. They then and allows part of the cluster to be upgraded when interconnect their networks to provide access to required at lesser cost and risk. more customers and provide their current Computer customers with greater services. Mobile Device Low Earth Office Worker Geostationary Orbit (LEO) Orbit (GEO) IP security Function The Cisco Ground Space Merged Architecture QOS based RF Transmission •This architecture is based on Cisco Systems’ 15 year vision for the development of a space• based Internet. IP Payload or Application •This architecture can stand alone or be viewed Inter Satellite Links (ISL) in conjunction with the Cisco Space Architecture •Satellites communicate via RF or for Commercial Services (CSACS). Optical links to inter•network IP based Space Qualified satellites. Router •Allows satellites to use multiple paths to communicate between themselves IP Based and the ground. Satellite Control •Facilitates resource sharing and collaboration between space assets. IP SATELLITE GEO Satellite •ISLs can be between LEO satellites in ARCHITECTURE same or disparate orbits, or even between GEO and LEO satellites. IP Satellite Architecture LEO Satellite •IP based satellites will allow SATELLITE SERVICE PROVIDER 1 efficiencies of scale, interoperability and (SSP1) management. Satellite Dish •All elements of satellites will be individually addressable via IP from payloads, positioning and power control, and interconnected via onboard Service Provider Network routing. Satellite Service Providers (SSP) •Satellites will become active nodes in PEP the network and play a role in the RF Inter •SSPs mange their terrestrial network, provision of services. It then becomes Satellite Link satellites, and satellite payloads via the same possible to place more features management suite. onboard satellites such as IP security, •Allows dynamic service provision and timely content services, and call control. Up/Down Satellite Link on demand services to be provisioned. USER •IP based payloads can then collaborate with other like payloads located within the satellite or collaborate over ISLs with payloads on separate Optical Inter satellites. Satellite Link LEO1 LEO2 PEP NOTE –This is a functional diagram and not to PEP scale or with correct orbit relationships. PEP Functionality Daniel Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 4 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac Agenda § Motivation: • Disasters and Business Continuity • Satellite Communication & VSATs § IP in Space: Not a Lecture § A VSAT Module for Cisco‘s Integrated Services Routers § Application Scenarios § IP•based instant and mobile Communications § Satellite Services § Conclusion and Summary Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 5 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac Motivation Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 6 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac Business Continuity • Cost of Downtime Average cost per hour Industry Application of downtime (US$) Financial Brokerage operations $ 7,840,000 Financial Credit card sales $ 3,160,000 Media Pay•per•view $ 183,000 Retail Home shopping (TV) $ 137,000 Retail Catalog sales $ 109,000 Transportation Airline reservations $ 108,000 Entertainment Tele•ticket sales $ 83,000 Shipping Package shipping $ 34,000 Financial ATM fees $ 18,000 Source: Contingency Planning Research, 2000 Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 7 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac Distribution of Disasters Causes More than 25% of companies experienced a disruption averaging 8 hours = 1 business day (in the last 5 years) Terrorism Hurricane Lightning Hardware “43 percent of U.S. Software businesses never reopen after a disaster •• and 29 Tornado percent close within two Civil Unrest years”– Department of Labor Data Center Move Environment Power Outage Flood Network Fire Earthquake Bomb Miscellaneous Source: Comdisco Vulnerability index (USA data) Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 8 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac VSAT Communication in Brief § VSAT (Very Small Aperture Terminal) technology is a bidirectional satellite communication that is very well positioned to support and deliver Ø Corporate Communication for e.g. document and video distribution for multi•branch enterprises (retail, finance, ...) Ø Business Continuity / Backup Service for enterprises to prevent from network outages Ø Disaster Recovery independent of (damaged) terrestrial infrastructures in case of natural disasters, power outages etc. Ø Mobile / Deployable Communication Services for enterprises (oil drilling, mining, construction) and governments (public safety, military) • A VSAT solution consists out of a hub station (large satellite dish operated by a Satellite Service Provider SSP), the space segement and small VSAT receive and transmit terminals at remote sites / branches Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 9 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac Satellite Network Elements § Hub § Satellite § Remote stations (VSATs) Cash Register Serial SkyEdge Pro LAN Modem Serial Dial Backup SkyEdge IP PSTN SkyEdge Family SkyEdge Call LAN Video Hub Conferencing Public phone ATM/POS/ IP Lottery Phone Courtesy: Gilat, 2006 Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 10 CH •X ANG DF E P w Click to buy NOW! w m w o .d .c oc ack u•tr The Traditional VSAT § VSAT = Very Small Aperture Terminal Very small satellite earth station Transmit & receive capabilities § A VSAT includes three major parts: Indoor Unit (IDU) • satellite modem operating at an intermediate frequency Outdoor Unit (ODU) • transmitter, receiver, high frequency Satellite dish • size varies from 60 cm to 2.4 meters Courtesy: Gilat and Satlynx, 2006 Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 11 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac IP in Space Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 12 Presentation_ID Non•Converged Architecture © 2006 Cisco Systems, Inc. All rights reserved. CD/DVD Imagery Intranet Email CH •X ANG DF E P Bearers orNetworks w Click to buy NOW! w m o w c .d k. ocu•trac Cisco Confidential Radio x4 Voice Applications Voice Satellite Video Wireless WAN Fibre LAN Internet Web PSTN C2 Voice 13 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac Converged IP Architecture Imagery Applications Web Voice Email Instant Video Messaging „IP is the Glue“ IP Fibre PSTN Internet Radio Satellite Wireless Bearers or Networks „The IP Hourglass“ Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 14 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac Protocol Stack Layering and the Internet OSI Model TCP/IP stack classic theory actual practice application presentation application Email, FTP, ssh, (presentation?) web browsing… session (session?) (session?) TCP(+http?), UDP(+RTP), transport transport SCTP… IPv4 (dominant) network network IPv6 (on the up) IEEE 802, SONET, data link link/MAC Frame Relay (HDLC), etc… channel coding; physical physical Wire, Fiber, RF, etc… Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential 15 CH •X ANG DF E P w Click to buy NOW! w m o w c .d k. ocu•trac TCP Connection Establishment § TCP uses a 3•way handshake scheme for connection establishment. § Connection Establishment as defined in RFC 2581: In order to prevent network congestion, TCP uses the slow•start mode during the start phase of a connection.