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Topic: Session Border Controller

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Voice over IP

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	Session Border Controller - Wikipedia, the free encyclopedia
		SBCs are put into the signaling and media path between calling and called party.
		Some SBCs can detect if the ends of the call are in the same subnetwork and release control of the media enabling it to flow directly between the clients, this is anti-tromboning.
		An SBC may provide session media (normally Real-time Transport Protocol) and signalling (normally SIP) wiretap services, which can be used by providers to enforce requests for the lawful interception of network sessions.
	en.wikipedia.org /wiki/Session_Border_Controller (525 words)

	Session Border Controller: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-11-03)
		SBCs are put into the signalling path between calling and called party.
		Megaco (a contraction of "media gateway controller") is a signalling protocol, used between a media gateway and a media gateway controller (also known as a...
		SBCs can extend the length of the media path (the way of media packets through the network) significantly.
	www.absoluteastronomy.com /encyclopedia/s/se/session_border_controller.htm (954 words)

	What is a Session Border Controller?
		A Session Border Controller (SBC) is a session-aware device that manages VoIP and MoIP calls at the borders of an IP network.
		One of the key functions of Session Border Controllers is the ability to provide SIP services across NAT and Firewalls devices with may either be located at a customer premise or within the network.
		Session border controllers occupy a unique position in the network architecture enabling them to control the quality of end user communications and enforce operators' Service Level Agreements.
	www.newport-networks.com /pages/session-border-controller.html (711 words)

	Functionality of Existing Session Border Controller (SBC) (Site not responding. Last check: 2007-11-03)
		SBCs may also be used to determine if a call should be admitted to a particular network, based on the current utilization and load on that network.
		SBCs performing NAT traversal on the media path use the same techniques as SBCs performing traffic monitoring and shaping, and therefore, have the same set of problems associated to them.
		In an access scenario, presented in Figure 3, the SBC is placed at the border between the access network and the operator's backbone network to control access to the backbone network, protect its components (media servers, application servers, gateways, etc.) from unauthorized use and DoS attacks, and monitor the signaling and media traffic.
	polyphase.ca /drafts/draft-camarillo-sipping-sbc-funcs-00.html (3081 words)

	VON Magazine :: November 2005 :: Category Killers, by Doug Mohney (Site not responding. Last check: 2007-11-03)
		Session Border Controllers enable these tasks by resolving different IP numbering schemes and closing legacy firewall ports opened during a call.
		The PeerPoint C100 is Ditech's signature SBC platform (www.ditechcom.com-1-800- 234-0884).
		The MSC is a session controller optimized to interconnect carriers with enterprise and consumer VoIP users (www.nextone.com-240-912-1300).
	www.vonmag.com /issue/2005/nov/depts/category_killers.asp (1562 words)

	SBC Features: SBC (Session Border Controller). Features (Site not responding. Last check: 2007-11-03)
		SBC works with a call through the interface on which this call was received.
		SBC is intellectual net object, able to perform all functions of transformation and normalizing the protocol when necessary.
		SBC receives information on possible occurrence of objects in its field and performs connection of objects with the use of rules.
	ixcaccounting.com /index.php?MenuId=23 (777 words)

	Forum thread: ' IXC Session Border Controller ' (Site not responding. Last check: 2007-11-03)
		SBC in this case transmits to the central node only the information on received calls and its characteristics, performing the main data processing within a regional device.
		IXC Session Border Controller offers enhanced opportunities for dynamic users in case of moving from one place to another or moving one employee from one department to another.
		IXC SBC is an intellectual object of network, which is capable of performing all functions of protocol conversion and smoothing.
	www.tiaonline.org /forums/messageview.cfm?catid=4&threadid=9156 (384 words)

	A C M E P A C K E T
		Both session border controllers support external interfaces to policy servers for admission control as defined by the IMS Policy Decision Function and the ETSI Resource and Admission Control Subsystem.
		Alternatively, session border control may be implemented using a distributed architecture using separate physical signaling and media control products for the functional elements described above.
		This session border controller satisfies the requirements at the border where subscribers access the IMS core.
	www.acmepacket.com /html/page.asp?PageID={117C0E08-AB1A-4E0E-B0F3-67A453F76E66} (1151 words)

	VON Magazine :: Sept/Oct 2004 :: Category Killers, by Cristie Davis (Site not responding. Last check: 2007-11-03)
		Chances are if you’ve heard of session border controllers (SBCs), you’ve heard about the sometimes heated debate about their longevity.
		At the same time, the analyst firm Frost and Sullivan is predicting ?hefty session border controller sales of $1 billion by 2007.
		SBCs meet these needs and more, resolving different IP numbering schemes and closing legacy firewall ports that were opened during a call.
	www.vonmag.com /issue/2004/sepoct/depts/category_killers.asp (917 words)

	Review: Test of session border controller includes products from Ditech, Ingate, Mera and NexTone. - Network World
		SBCs' effects on call quality varied from essentially no degradation (mean opinion score [MOS] of 4.5, R-factor of 93) to measurable degradation (MOS of 3.9, R-factor of 85).
		SBCs also could add to call-setup time and latency; the extent appears to vary based on the power of the SBC hardware platform.
		We invited more than a dozen vendors who were touting new SBC wares earlier this year to submit their packages for testing in Miercom's New Jersey lab.
	www.networkworld.com /reviews/2006/041706-sbc-test.html?fsrc=rss-sbc (1137 words)

	Internet Telephony Special Focus
		But all session controllers are not the same, and Tier 1 carriers should be aware of the “necessary nine” key functions that will help them take their network peering to the next level and interconnect their global VoIP networks while maintaining network privacy and security.
		The session controller should be able to grow the number of simultaneous sessions, the number of calls per second, the number of singularly defined customers, the number of registrations, and the number of VLANs, meaning that they can support customers that have overlapping address space.
		This is a difficult task without session controllers that contain large processing power capabilities and thus are able to understand and apply policies based upon information deep in the packet headers and payloads (specifically, Layer 5 information).
	www.tmcnet.com /it/0304/SpecialFocus.htm (2650 words)

	Unstrung Insider
		It may be a niche sector, but the session border controller market is bursting with activity, as carriers and enterprises ramp up their IP services plans.
		And Kevin Mitchell at Infonetics Research Inc. says the session border controller market will consolidate further, "especially during the next 12 months." He adds that consolidation in the next-generation voice product market in general "is heating up," citing two recent deals as prime examples (see Lucent Buys Softswitch Vendor Telica and Tekelec Is Buying Taqua).
		He says the session border controller market was worth $10.7 million in the first quarter of 2004, up 7 percent from the previous quarter.
	www.unstrung.com /insider/document.asp?doc_id=53428 (606 words)

	DC-SBC - Data Connection's Session Border Controller solution
		Data Connection’s Session Border Controller software offers vendors a best of breed solution which offers all of the key features and the high performance and availability characteristics required by Service Providers and Enterprisers using Session Border Controllers in their networks.
		Data Connection's SBC software can also be used to provide many of the essential control functions required in an IP Multimedia Subsystem (IMS).
		Session Border Controllers support a wide range of functions including signaling, security, interworking, QoS, call control, and billing.
	www.dataconnection.com /sbc (745 words)

	Juniper Networks :: Session Border Control Platform (Site not responding. Last check: 2007-11-03)
		The highly scalable Juniper Networks VF-series session border controllers ensure service providers and enterprises a fast, expert delivery of IP communications services (voice, video, multimedia) and a cost-effective, competitive edge.
		VF-series session border controllers enable seamless and secure VoIP networking by resolving security, service assurance (QoS), address translation, and regulatory compliance issues at the edge of VoIP networks.
		Purpose-built to enable real-time IP services, VF-series session border controllers are deep-packet processing devices that handle all common VoIP protocols (SIP, H.323, MGCP).
	www.juniper.net /products/sbc/?from=HomePage-to-SBC (312 words)

	XChange - VON NEWS: Session Border Controllers Take the Spotlight
		In further evidence that session controller functionality is expected to be just one feature of more extensive solutions going forward, Jasomi Networks at VON gave the first demonstrations of an embeddable version of its PeerPoint solution.
		Session border controllers are also considered competing products in some aspects to the SIP-based firewalls offered by Intertex and Ingate, which Intertex owns most of, says Intertex President Karl Erik Stahl.
		But Stahl says the session border controllers “create borders rather than removing them.” Ingate CEO Olle Westerberg adds that it doesn’t make sense for softswitch vendors to include session border controller functionality in their products since you can’t manage borders from a softswitch.
	www.x-changemag.com /hotnews/43h319508.html (740 words)

	[No title]
		The new four rack unit-high device makes it not only the most powerful session border controller, but also the most efficient, as it is able to fit in carrier network locations where other larger, but less powerful units cannot.
		VoiceFlow 4000 is designed to meet the growing demand of carriers, large service providers and MSOs for high-availability, carrier-grade session border control required to power carrier-to-carrier peering and line side services such as IP Centrex and hosted IP telephony services with thousands, and eventually millions of endpoints.
		Kagoor is a leading supplier and innovator of session border control technology that ensures customers fast, expert delivery of IP communications services (voice, video, multimedia).
	www.telephonyworld.com /cgi-bin/review/viewnews.cgi?category=all&id=1098146614 (660 words)

	Heavy Reading
		A session border controller (SBC) is a piece of network equipment or a collection of functions that control real-time session traffic at the signaling, call-control, and packet layers as they cross a notional packet-to-packet network border between networks or between network segments.
		SBCs are critical to the deployment of VOIP networks, because they address the inability of real-time session traffic to cross network address translation (NAT) device or firewall boundaries.
		SBCs allow NAT and firewall traversal, normally by incorporating those elements with signaling controllers for the required signaling protocols.
	www.heavyreading.com /details.asp?sku_id=749&skuitem_itemid=731&promo_code=&aff_code=&next_url=/default.asp? (1715 words)

	Netherlands Corporate News - Newport Networks breidt 'Session Border Control' uit met eerste Geog..
		Release 2.0 provides: Geographic Service Resilience: With this latest release, the 1460 session border controller becomes the first to deliver true geographic resilience, safeguarding against both node and network failure.
		Link Aggregation to Bolster Reliability: The 1460 is the first session border control architecture to include Link Aggregation (802.3-2002) functionality, commonly deployed in routers.
		The 1460 Session Border Controller addresses the key service delivery issues of quality and security, enabling service providers to create new revenue streams from VoIP and MoIP while controlling the cost of delivery.
	www.netherlandscorporatenews.com /archive/en/2005/06/01/v025.htm (714 words)

	Software provides session border controller functionality., Data Connection Limited
		The Service Providers’ need for SBC functionality is creating a rapidly growing market, which makes Session Border Controllers an attractive opportunity for existing VoIP and legacy Telco vendors.
		Data Connection estimates that system vendors planning to develop and test a complete SBC solution internally, including all the necessary signaling protocols and media call control services, would require up to 100 man-years of development time, at a total cost of $25 million.
		System vendors using DC SBC inherit complete and fully portable Session Border Controller functionality at a fraction of the price and time that would be required for internal development.
	news.thomasnet.com /fullstory/463300/rss/2585 (1359 words)

	World Session Border Controller Market Insight - Market Research Report
		Session border controllers (SBCs) solve most of these problems by tackling network security, QoS, service level agreement (SLA) assurances, as well as law enforcement compliance issues.
		SBCs are more economical than gateways and provide a clean demarcation point at the network edge for IP-to-IP traffic flow.
		SBCs complete the operational set-up of next-generation networks, and carriers and enterprises that wish to deploy IP on a large scale are not likely to encounter many significant obstacles.
	www.mindbranch.com /products/R1-2820.html (651 words)

	Product News Network: Software provides session border controller functionality
		Session Border Controller Software, DC-SBC, offers portable source code solution that provides upgrade path to complete Session Border Controller functionality for routers and softswitches.
		Service providers benefit from a much greater choice of SBC solutions, which will be available on a wider range of hardware platforms.
		SBCs are a set of functions that control session-based traffic at the signaling and packet layers, allowing increased security and enhanced features to be deployed in a VoIP network.
	www.findarticles.com /p/articles/mi_m0PIL/is_2005_May_12/ai_n13697746 (410 words)

	Product Advisor \| Session Border Controllers \| Current Analysis
		With the next-generation of its session border controller technology waiting in the wings, Acme Packet, the current leader in the SBC market, is poised to expand its already-impressive penetration of the Tier 1 carrier market.
		Among session border controller competitors, Netrake has been the most aggressive in pursuing market opportunities in both the mobile and cable realms.
		As one of the most recent entrants into the standalone Session Border Controller market, Newport Networks is looking to position its 1460 SBC to grab a share of a second wave of Tier 1 deployments.
	www.currentanalysis.com /p/TelecomInfra-abstracts/CarrierIPTelep-SessBrdrCntrll-All.htm (814 words)

	Netrake - News & Events: Press Releases (Site not responding. Last check: 2007-11-03)
		Netrake’s nCiteTM session controller and security gateway stand as the first line of defense for wireline, wireless, cable, and fixed/mobile operators delivering real-time control of voice and multimedia applications across all IP networks.
		P-CSCF (Proxy Call Session Control Function): This is the first point of contact within the network for a User Equipment (UE) and acts as the SIP signaling inbound/outbound proxy for subscribers within the IMS architecture.
		Through the control of a Border Gateway Function, the I-BCF also controls the media exchanged across the operator boundary, controlling media pinhole establishment, policing, and dynamic NAPT and firewall functions and performs admission control and bandwidth allocation using local policies or via interface to ETSI TISPAN Resource and Admission Control Subsystem (RACS).
	www.netrake.com /news-press-details.asp?PressReleaseID={1AF75688-7B39-4860-A6DF-716EFC93E896} (1896 words)

	Infrastructure Solutions: The Future for Session Border Controllers
		Session border controllers have become one of the hottest topics in the VoIP infrastructure arena.
		In further evidence that session controller functionality is expected to become a feature of more extensive solutions going forward, Jasomi Networks at the VON show in March gave the first demonstrations of an embeddable version of its PeerPoint solution.
		In another recent development addressing scale on the session border controller front, Acme Packet unveiled a new upgrade to its Net-Net Cluster, which comprises one Session Router and two to eight Session Directors in a logical stack.
	www.xchangemag.com /articles/451infra1.html (909 words)

	World Session Border Controller Market Insight (Site not responding. Last check: 2007-11-03)
		Session border controllers (SBCs) solve most of theseproblems by tackling network security, QoS, service level agreement (SLA)assurances, as well as law enforcement compliance issues.
		SBCs are more economical than gateways and provide a clean demarcationpoint at the network edge for IP-to-IP traffic flow.
		SBCs complete the operational set-up of next-generation networks, andcarriers and enterprises that wish to deploy IP on a large scale are not likelyto encounter many significant obstacles.
	www.giiexpress.com /products/fs23684 (640 words)

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