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Press Release -- June 1st, 2011
Source: Global Crossing
Tags: Equipment, Ethernet, Exchange, IPv6, MPLS, Video

Global Crossing to Participate in World IPv6 Day, Supplies Numerous Avenues for Customer Interaction

Company Provides IPv6 Assistance via Social Media Platforms

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FLORHAM PARK, N.J., June 1, 2011 /PRNewswire/ — As a leading global networking provider that has been delivering IPv6 for more than a decade and as part of its participation in World IPv6 Day, Global Crossing (NASDAQ: GLBC) is broadening its technical support for customers and visitors testing their ability to connect that day to the company’s IPv6-enabled website.

Global Crossing, which turned up the IPv6 capability on its website on May 31 in preparation for the industry-wide event on June 8, has been delivering IPv6 over its global, MPLS-based Tier 1 backbone in a dual-stack configuration for more than half a decade.  Drawing on its longstanding IPv6 expertise and desire to help any user who experiences difficulties that day with the Global Crossing website, the company will provide real-time assistance and advice via its corporate Facebook page ( and has established a special hashtag on its Twitter page (#IPv6Day >>) to communicate with users for the day.  Users also may email Global Crossing at; discuss issues with Global Crossing IPv6 experts via or post a comment to the company’s IPv6 blog at

Existing customers also can reach a company representative via Global Crossing’s award-winning uCommand(TM) customer portal.

“We felt it was important to participate in World IPv6 Day because IPv6-only networking is imminent and it’s imperative that users begin planning now,” said Anthony Christie, chief technology and information officer for Global Crossing.  “By providing multiple ways to communicate with us that day, we’re underscoring our commitment not only to integrate new technologies into current network environments but to consistently enhance our overall customer experience.”

To make the transition easier, Christie advises businesses to choose a network provider that operates a dual-stack network.  A dual-stack network has the ability to route IPv6 and IPv4 side by side on the network, so that a wide area network or Internet connection behaves as an IPv4 and IPv6 path simultaneously.  Global Crossing does this for its customers because it allows them to test a fully functioning IPv6 implementation without turning off any of their old IPv4 setup.  This also allows the customer to retain access to the parts of the Internet that have not yet transitioned to IPv6.

“If your equipment is not IPv6-capable today, make a minimal investment to get some IPv6-capable equipment,” added Dave Siegel, vice president of IP services product management, who spearheaded Global Crossing’s World IPv6 Day team.  “Come up with an addressing plan, architecture and design.  Test with a dual-stack network provider to make sure your setup meets your specifications.  Note that migration to IPv6 could take a few months or years, depending on how aggressive your migration plan is, the types of network features you need and the hardware you need to replace.  You have time to make the switch from IPv4 to IPv6, but don’t put your organization in jeopardy by delaying further.”

To learn more about Global Crossing’s IPv6 capabilities visit .

World IPv6 Day is a networking event being conducted by the Internet Society (ISOC) on June 8.  Global Crossing will be among several service providers who will offer their content over IPv6 for a 24-hour “test flight.”  The goal of the Test Flight Day is to motivate organizations across the industry — Internet service providers, hardware makers, operating system vendors and web companies — to prepare their services for IPv6 to ensure a successful transition as IPv4 addresses run out, and to help accelerate the momentum of IPv6 deployment.

An Internet Protocol (IP) address is a long series of numbers that identifies a computer on the Internet.  Recent news has raised concerns because all of the current IP addresses — IP version 4 or IPv4 — have been deployed.  That means 4.3 billion possible 32-bit IPv4 addresses have been allocated.  IPv6 is the next version of Internet Protocol.  IPv6 are 128-bit numbers and will provide 340 trillion trillion trillion Internet addresses for future use.

ISOC is a nonprofit organization founded in 1992 to provide leadership in Internet related standards, education and policy.  It also provides leadership in addressing issues that confront the future of the Internet; acts as the “organizational home” for the groups responsible for Internet infrastructure standards, such as the Internet Engineering Task Force (IETF) and the Internet Architecture Board (IAB); acts as a global clearinghouse for Internet information and education, and facilitates and coordinates Internet-related initiatives around the world.


Global Crossing (NASDAQ: GLBC) is a leading global IP, Ethernet, data center and video solutions provider with the world’s first integrated global IP-based network.  The company offers a full range of data, voice, collaboration, broadcast and media services delivered with superior customer service.

Global Crossing provides services to enterprises (including approximately 40 percent of the Fortune 500); government departments and agencies; and 700 carriers, mobile operators and ISPs.  It delivers converged IP services to more than 700 cities in more than 70 countries, and has 17 world-class data centers in major business centers around the globe.

Please visit for more information about Global Crossing.

Website Access to Company Information

Global Crossing maintains a corporate website at, and you can find additional information about the company through the Investors pages on that website at  Global Crossing utilizes its website as a channel of distribution of important information about the company.  Global Crossing routinely posts financial and other important information regarding the company and its business, financial condition and operations on the Investors web pages.

Visitors to the Investors web pages can view and print copies of Global Crossing’s SEC filings, including periodic and current reports on Forms 10-K, 10-Q, 8-K, and in respect of GCUK’s Forms 20-F and 6-K, as soon as reasonably practicable after those filings are made with the SEC.  Copies of the charters for each of the standing committees of Global Crossing’s Board of Directors, its Corporate Governance Guidelines, Ethics Policy, press releases and analysts presentations are all available through the Investors web pages.

Please note that the information contained on any of Global Crossing’s websites is not incorporated by reference in, or considered to be a part of, any document unless expressly incorporated by reference therein.


This communication shall not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval.  The proposed amalgamation involving Level 3 Communications, Inc. (“Level 3”) and Global Crossing Limited (“Global Crossing”) announced on April 11, 2011 will be submitted to the stockholders of Level 3 and the stockholders of Global Crossing for their consideration.  Level 3 and Global Crossing have filed with the SEC a registration statement on Form S-4 that includes a preliminary joint proxy statement of Level 3 and Global Crossing that also constitutes a preliminary prospectus of Level 3, and may in the future file with the SEC other relevant documents concerning the proposed transaction.  Level 3 and Global Crossing will each provide the final joint proxy statement/prospectus to its respective stockholders.  Investors and security holders are urged to read the registration statement and the joint proxy statement/prospectus and any other relevant documents filed with the SEC when they become available, as well as any amendments or supplements to those documents, because they contain and will contain important information about Level 3, Global Crossing and the proposed transaction.  Investors and security holders may obtain a free copy of the registration statement and joint proxy statement/prospectus, as well as other filings containing information about Level 3 and Global Crossing, free of charge at the SEC’s Web Site at In addition, the joint proxy statement/prospectus, the SEC filings that are or will be incorporated by reference in the joint proxy statement/prospectus and the other documents filed or to be filed with the SEC by Level 3 may be obtained free of charge by directing such request to:  Investor Relations, Level 3, Inc., 1025 Eldorado Boulevard, Broomfield,  Colorado 80021 or from Level 3’s Investor Relations page on its corporate website at and the joint proxy statement/prospectus, the SEC filings that are or will be incorporated by reference in the joint proxy statement/prospectus and the other documents filed or to be filed with the SEC by Global Crossing may be obtained free of charge by directing such request to: Global Crossing by telephone at (800) 836-0342 or by submitting a request by e-mail to or a written request to the Secretary, Wessex House, 45 Reid Street, Hamilton HM12 Bermuda or from Global Crossing’s Investor Relations page on its corporate website at

Level 3, Global Crossing and their respective directors, executive officers, and certain other members of management and employees may be deemed to be participants in the solicitation of proxies in favor of the proposed transaction from the stockholders of Level 3 and from the stockholders of Global Crossing, respectively.  Information about the directors and executive officers of Level 3 is set forth in the proxy statement on Schedule 14A for Level 3’s 2011 Annual Meeting of Stockholders, which was filed with the SEC on April 4, 2011 and information about the directors and executive officers of Global Crossing is set forth in the proxy statement on Schedule 14A for Global Crossing’s 2011 Annual General Meeting of Shareholders, which was filed with the SEC on April 29, 2011. Additional information regarding participants in the proxy solicitation may be obtained by reading the joint proxy statement/prospectus regarding the proposed transaction.

This press release contains statements about expected future events and financial results that are forward looking and subject to risks and uncertainties that could cause the actual results to differ materially, including: the failure to occur of any condition to the closing of the acquisition of Global Crossing by Level 3 and uncertainties as to the timing of the closing; the failure to achieve or any delay in achieving expected synergies and other financial benefits from the acquisition; changes in Global Crossing’s risk profile resulting from the acquisition; limitations on Global Crossing’s financial and operational flexibility that arise under the covenants in the amalgamation agreement that could restrict it from taking advantage of opportunities to strategically enhance its business or improve its capital structure; delays or reductions in purchases from Global Crossing by customers because of their perceived uncertainty about its ability to meet their needs after closing of the acquisition; disruptions in Global Crossing’s business due to current and prospective employees experiencing uncertainty about their future roles with the company and the diversion of their time and attention from ongoing business operations; Global Crossing’s history of substantial operating losses and the fact that, in the near term, funds from operations will not satisfy cash requirements; the availability of future borrowings in an amount sufficient to pay Global Crossing’s indebtedness and to fund its other liquidity needs; legal and contractual restrictions on the inter-company transfer of funds by Global Crossing’s subsidiaries; Global Crossing’s ability to continue to connect its network to incumbent carriers’ networks or maintain Internet peering arrangements on favorable terms; the consequences of any inadvertent violation of Global Crossing’s Network Security Agreement with the U.S. Government; increased competition and pricing pressures resulting from technology advances and regulatory changes; competitive disadvantages relative to competitors with superior resources; political, legal and other risks due to Global Crossing’s substantial international operations; risks associated with movements in foreign currency exchange rates; risks related to restrictions on the conversion of the Venezuelan bolivar into U.S. dollars and to the resultant buildup of a material excess bolivar cash balance, which is carried on Global Crossing’s books at the official exchange rate, attributing to the bolivar a value that is significantly greater than the value that would prevail on an open market; potential weaknesses in internal controls of acquired businesses, and difficulties in integrating internal controls of those businesses with Global Crossing’s own internal controls; exposure to contingent liabilities; and other risks referenced from time to time in Global Crossing’s filings with the Securities and Exchange Commission. Global Crossing undertakes no duty to update information contained in this press release or in other public disclosures at any time.

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