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Topic: Mobile IP

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	Mobile IP - Wikipedia, the free encyclopedia
		Mobile IP is an Internet Engineering Task Force (IETF) standard communications protocol that is designed to allow mobile device users to move from one network to another while maintaining their permanent IP address.
		Mobile IP is described in IETF RFC 3344 (which obsoletes RFC 3220 and RFC 2002).
		Mobile IP is most often found in wireless WAN environments where users need to carry their mobile devices across multiple LANs with different IP addresses.
	en.wikipedia.org /wiki/Mobile_IP (567 words)

	A Survey on Mobile IP
		The registration message set by the mobile node to its home agent could either be relayed by its foreign agent, or directly sent from the mobile node, depending on whether or not the mobile node is able to dynamically acquire a transient IP address, which plays a role as the care-of address.
		For the case of the mobile node not having a foreign agent because it itself has a transient address, the datagram is directly and forwarded intact to the mobile node from the home agent without going through the intermediate step.
		Therefore, the path from the mobile node to the correspondent node is shorter than the path from the correspondent node to the mobile node.
	www.geocities.com /dinbbil30/mobileIP.HTM (4425 words)

	[No title]
		When the mobile node shares a security association with its home AAA server, however, it is possible to use that security association to create derivative security associations between the mobile node and its home agent, and again between the mobile node and the foreign agent currently offering connectivity to the mobile node.
		This document defines a Mobile IPv4 Registration Revocation mechanism whereby either mobility agent participating in providing Mobile IP services to the same mobile node can notify the other mobility agent (or co-located mobile node) of the termination of either a single, or multiple mobility bindings, and for this notification to be acknowledged.
		Mobile IP [1] agents are being deployed in enterprise networks, to enable mobile users with network mobility across wired and wireless LANs while roaming inside the enterprise firewall.
	www.ietf.org /ids.by.wg/mobileip.html (1818 words)

	Mobile IP
		Agent Discovery is the method by which a mobile node determines whether it is currently connected to its home network or to a foreign network, and by which a mobile node can detect when it has moved from one network to another.
		Mobile IP extends ICMP Router Discovery as its primary mechanism for Agent Discovery.
		[RFC 3024] Reverse Tunneling for Mobile IP, revised.
	www.networksorcery.com /enp/protocol/mobileip.htm (1009 words)

	Mobile IP
		Mobile IP is most useful in environments where mobility is desired and the traditional land line dial-in model or DHCP do not provide adequate solutions for the needs of the users.
		Since Mobile IP requires support on the host device, it is necessary that each mobile node is appropriately configured for the desired Mobile IP service.
		To enable Mobile IP services on your network, you need to determine not only which home agents will facilitate the tunneling for selected IP address, but also where these devices or hosts will be allowed to roam.
	www.cisco.com /univercd/cc/td/doc/product/software/ios120/120newft/120t/120t1/mobileip.htm (3290 words)

	Tutorial: Mobile IP
		When randomness is used, Mobile IP defines a method that protects both the registration request and reply from replay, and calls for 32 bits of randomness in the identification field.
		This asymmetry is captured by the term triangle routing, where a single leg of the triangle goes from the mobile node to the correspondent node, and the home agent forms the third vertex controlling the path taken by data from the correspondent node to the mobile node.
		Mobile IP is being used to construct vertical handoffs between dissimilar media (for example, infrared, radio LANs, wide-area cellular, and satellite), depending upon error rates and bandwidth availability.
	www.cs.colorado.edu /~rhan/CSCI_7143_002_Fall_2001/Papers/Perkins_Tutorial_Mobile_IP.htm (6524 words)

	RFC 3024 (rfc3024) - Reverse Tunneling for Mobile IP, revised (Site not responding. Last check: 2007-10-17)
		Mobile IP does dictate the use of reverse tunnels in the context of multicast datagram routing and mobile routers.
		The mobile node follows the error checking guidelines in [1], and depending on the reply code, MAY try modifying the registration request (for example, by eliminating the request for alternate forms of encapsulation or delivery style), and issuing a new registration.
		Mobile nodes using a foreign agent care-of address MAY have their broadcast and multicast datagrams reverse-tunneled by the foreign agent.
	www.faqs.org /rfcs/rfc3024.html (6890 words)

	Mobile IP - a Whatis.com definition (Site not responding. Last check: 2007-10-17)
		Defined in Request for Comments (RFC) 2002, Mobile IP is an enhancement of the Internet Protocol (IP) that adds mechanisms for forwarding Internet traffic to mobile devices (known as mobile nodes) when they are connecting through other than their home network.
		All the variations of Mobile IP assign each mobile node a permanent home address on its home network and a care-of address that identifies the current location of the device within a network and its subnets.
		Enhancements to the Mobile IP standard, such as Mobile IPv6 and Hierarchical Mobile IPv6 (HMIPv6), were developed to advance mobile communications by making the processes involved less cumbersome.
	searchmobilecomputing.techtarget.com /sDefinition/0,,sid40_gci849848,00.html (551 words)

	Embedded.com - Mobile IP (Site not responding. Last check: 2007-10-17)
		Mobile IP is designed around the idea of presenting applications with a consistent virtual network that is in a constant place in the addressing hierarchy though the reality may be that the user has wandered far from that physical place.
		The fact that packets are sent from the mobile node directly to their destination works very nicely as far as routing is concerned, but a firewall that detects a packet originating from within its network that has a return address from somewhere else may become suspicious.
		Mobile IP is an example of the adaptation that IP has undergone over this time period.
	www.embedded.com /story/OEG20010628S0054 (3422 words)

	RFC 2344 (rfc2344) - Reverse Tunneling for Mobile IP
		Abstract Mobile IP uses tunneling from the home agent to the mobile node's care-of address, but rarely in the reverse direction.
		The mobile node follows the error checking guidelines in [1], and depending on the reply code, MAY try modifying the registration request (for example, by eliminating the request for alternate forms of encapsulation), and issuing a new registration.
		IP Destination Address The address of the agent as learned from the IP source address of the agent's most recent registration reply.
	www.faqs.org /rfcs/rfc2344.html (4040 words)

	TCP / IP Suite Mobile IP - NARP \| SCSP \| NHRP \| OSPF \| TRIP \| MobileIP \| RUDP \| TALI \| Van Jacobson \| XOT
		The function of TRIP (Telephony Routing over IP) is to advertise the reachability of telephony destinations, attributes associated with the destinations, as well as the attributes of the path towards those destinations.
		The IP packet consists of the IP source and destination addresses, followed by the UDP source and destination ports, followed by the Mobile IP fields.
		Mobile IP packets can be either registration request or registration reply.
	www.protocols.com /pbook/tcpip6.htm (3152 words)

	Introduction to Mobile IP
		Therefore, when a corespondent host (CH) tries to send a packet to a mobile node (MN), that packet is routed to the MN’s home network, independently of the current attachment of that MN (this is because CHs do not have any knowledge of mobility).
		Encapsulation is the method used by the HA to deliver information to the MN putting an extra IP header on top of the packet and tunnelling that packet to the MN (when it's on a foreign network).
		Mobile nodes keep track of that Lifetime and if it expires, it sends an Agent Solicitation (asking for a new Agent Advertisement) and it presumes that it has been moved.
	www.hpl.hp.com /personal/Jean_Tourrilhes/MobileIP/ppal.html (766 words)

	[No title] (Site not responding. Last check: 2007-10-17)
		Birdstep's Mobile IP technology enables you to maintain a network connection when moving from one network to another.
		A doctor may need to work in two different zones, and the Birdstep Mobile IP technology, allows doctors to maintain connection without intervention while moving from one zone to another.
		Installation of IP zones and the Birdstep Mobile IP technology in office buildings will allow users to roam from one area of the building to another, across networks, without experiencing any change or down-time on their applications.
	www.birdstep.com /solutions/mobile_ip_enduser.php3?solution=user (274 words)

	Internet Telephony Special Focus
		IP addressing and routing in networks are fixed at locations, so a device on a network is reachable because it has an address on the network.
		Mobile IP was created to enable users to retain the same IP address while traveling to a different network, thus ensuring that a roaming individual could continue communications without dropping the sessions or connection.
		Mobile IP provides two options for obtaining a Care-of Address: The Mobile Node can procure it from a Foreign Agent or, alternatively it may directly acquire a collocated Care-of Address, which actually represents its current position on the foreign network.
	www.tmcnet.com /it/0501/0501spfo.htm (3536 words)

	Cisco IOS Mobile IP - Cisco Systems
		Mobile IP is an open standard, defined by the Internet Engineering Task Force (IETF) RFC 2002, that allows users to keep the same IP address, stay connected, and maintain ongoing applications while roaming between IP networks.
		Mobile IP is scalable for the Internet because it is based on IP--any media that can support IP can support Mobile IP.
		Mobile IP provides ubiquitous connectivity for users, whether they are within their enterprise networks or away from home.
	www.cisco.com /en/US/products/ps6590/products_ios_protocol_group_home.html (119 words)

	Amazon.co.uk: Mobile IP: Design Principles and Practices (Wireless Communications S.): Books (Site not responding. Last check: 2007-10-17)
		The necessary control mechanisms for processing adyertisements (perhaps received over wireless media) are given first, followed by the main part of the Mobile IP protocol, which addresses how the mobile node registers its current IP attachment information with the support infrastructure on its home network.
		Interactions between Mobile IP and other protocols (such as DHCP) are described, enabling network engineers to get a complete understanding of the system effects of deploying Mobile IP in enterprise networks.
		Other current trends in protocol development relevant to Mobile IP are also described, such as ways to reduce registration traffic with the home network, and first steps toward integrating Mobile IP with enterprise security installations such as firewalls and border routers.
	www.amazon.co.uk /exec/obidos/ASIN/0201634694 (491 words)

	Linux and Mobile IP
		Each mobile node is always identified by its home address, regardless of its current point of attachment to the Internet.
		After arriving at the end of the tunnel, each datagram is then delivered to the mobile node.
		Reverse Tunneling for Mobile IP Firewall Traversal for Mobile IP: Guidelines for Firewalls and Mobile IP entities
	www.hpl.hp.com /personal/Jean_Tourrilhes/MobileIP/mip.html (190 words)

	What is Mobile IP? - A Word Definition From the Webopedia Computer Dictionary
		A standard that allows users with mobile devices whose IP addresses are associated with one network to stay connected when moving to a network with a different IP address.
		When a user leaves the network with which his device is associated (home network) and enters the domain of a foreign network, the foreign network uses the Mobile IP protocol to inform the home network of a care-of address to which all packets for the user's device should be sent.
		This is the IETF's RFC on Mobile IP edited by Charles E. Perkins, a Research Fellow at Nokia Corporation, in the Silicon Valley division of Nokia Research Center.
	www.webopedia.com /TERM/M/Mobile_IP.html (360 words)

	Dynamics Mobile IP - Introduction (Site not responding. Last check: 2007-10-17)
		Mobile IP, wireless LANs, protocol tunneling and mobility management are areas of growing interest these days.
		Mobile users roaming in foreign networks with their laptop - or even smaller - computers is a trend of the future.
		Roaming mobile users are willing to get the same services as they would get when attached to their office LAN using Ethernet and IP-protocol.
	dynamics.sourceforge.net (224 words)

	Mobile IP Enables WLAN Roaming
		With multiple subnets, however, mobile users must be able to seamlessly roam from one subnet to another while traversing a facility.
		The home address enables the mobile node to continually receive data relative to its home network, through the use of a network node called the home agent.
		Whenever the user is not attached to the home network, the home agent receives all the packets sent to the mobile user and arranges to deliver them to the mobile user's current point of attachment, which is its care-of address.
	www.wi-fiplanet.com /tutorials/article.php/2205821 (942 words)

	Mobile IP: Mobile Computing, Mobile Internet, Mobile VPN, mobile ipv6, Mobile, Handheld, PDA, mobility, Centrino, IPv6, ... (Site not responding. Last check: 2007-10-17)
		The Birdstep Intelligent Mobile IP Client has followed an open, standards-based approach to provide seamless roaming for operators and enterprises.
		The latest version of the Birdstep Mobile IP client, based on patented ground breaking “best-of-breed” VPN design approach, allow us to maintain our tradition of supporting existing standards and any network infrastructure.
		Please specify Mobile IP Client in the “reason for request” field.
	www.birdstep.com /wireless_infrastructure/mobile_ip.php3 (200 words)

	Amazon.com: Mobile IP Technology for M-Business: Books: Mark Norris (Site not responding. Last check: 2007-10-17)
		Here's a first-of-its-kind book that introduces you to the next generation of mobile networks, where IP data capability and mobile communications become integrated to form new, cutting-edge Mobile IP networks.
		Invaluable for anyone who is designing or developing mobile solutions, especially those using the 3G infrastructure that is currently being rolled out in the US by two major carriers.
		The detailed discussion of IP version 4 upon which the internet is based (and its many limitations), and IP version 6, which has enough address space to assign 4 IP address to each square inch of this planet's surface, is excellent.
	www.amazon.com /exec/obidos/tg/detail/-/1580533019?v=glance (839 words)

	Hudson Mobile Technologies
		IP Dashboard is a Today Screen plug-in that enables you to quickly and easily monitor the state of all your wireless and wired network connections.
		Unlike other system and battery monitors, IP Dashboard is the first Today Screen plug-in designed just for network users, so that all major networking information is just one or two taps away.
		A FREE seven-day trial version of IP Dashboard is available for download from Handango or PocketGear.
	www.hudsonmobile.com /products/ipdash (204 words)

	SLYWare's Website - Transparent Mobile IP
		This project aims to provide IP mobility across multiple networks, ensuring that all active TCP sessions will be maintained upon migration.
		Mobile hosts initially appear in one of these cells, and obtain an IP address and network allocation.
		Instead of sending the packets to the mobile hosts parent CN, it could send them straight to the current CN, hence removing the extra two sides of the triangle.
	www.slyware.com /projects_tmip.shtml (634 words)

	Bookpool: Mobile IP: The Internet Unplugged
		Mobile IP brings together two of the world's most powerful technology trends: the Internet and mobile communications.
		In Mobile IP: The Internet Unplugged, the co-chair of the Mobile IP Working Group offers an insider's view of critical Mobile IP concepts like agent discovery, registration, and IP encapsulation.
		As co-chair of the Mobile IP Working Group, Solomon shepherded the final working group standards document to approval in June 1996.
	www.bookpool.com /.x/pbx84hrb8i/sm/0138562466 (409 words)

	Hudson Mobile Technologies
		Hudson Mobile now offers mobile application development services to enterprises looking to improve the productivity of their mobile workforce.
		With expertise in mobile software development, wireless networking, and logistics, Hudson Mobile can help you transform your business processes and harness the power of connected mobile computing.
		Hudson Mobile Technologies is a premier developer of software for wireless-enabled handheld devices, with an initial focus on the Pocket PC / Windows Mobile platform.
	www.hudsonmobile.com (266 words)

	Secure Mobile Networking Project Home Page (Site not responding. Last check: 2007-10-17)
		The work that we have undertaken results in the development of a high performance Secure Mobile Network and insights into its use as part of the National Information Infrastructure.
		The Mobile-IP Mobile Node daemon is able to work behind a NAT box and yet maintain a Mobile-IP fixed IP address accessable from the Internet.
		Integrated use of DHCP by the mobile node daemon.
	www.cs.pdx.edu /research/SMN (1071 words)

	Mobile IP
		Verizon Wireless Mobile IP services are a family of wireless data services based on Cellular Digital Packet Data (CDPD or Wireless IP) technology.
		And Mobile IP services use a CDPD modem, not a phone, so you can use your preferred data device, whether it's a laptop, organizer, ruggedized data terminal, credit card machine, or something else.
		Best of all, you'll find Mobile IP solutions are virtually plug-and-play.
	www.mcsradio.com /product.cfm?pID=217 (122 words)

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