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charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Subject: Re: [Starlink] Blog on Tonga cable X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Mar 2022 21:53:17 -0000 Usually, you would cut either side of the cable on top and then put the=20 splice on top of that cable and leave the cut piece on the seafloor.=20 Pulling out from underneath would likely cause damage to the cable on=20 top. That said, damage close to crossover sites is very rare: For one,=20 damage to cables in deep water is actually a rare event - many systems=20 run for decades without a fault - and most cable systems have few if any=20 crossover points. In this case, the Hawaiki cable was actually laid after the Fiji-Tonga=20 cable, so Hawaiki is on top, however the recent damage on the Fiji-Tonga=20 cable was a significant distance to the east of Hawaiki, so it wasn't=20 impacted. In fact, there are plans for a Hawaiki spur to Tonga's=20 northern island group of Vava'u (and microwave links from there to=20 Ha'apai and down to Tongatapu / 'Eua). On 2/03/2022 6:12 am, Michael Richardson wrote: > Looking at the diagram in the blog entry, I see how Australia/NZ<->Hawaii > cable crosses the Tongatupu/Suava cable. > How does cable repair work when there is another cable "on top"? --=20 **************************************************************** Dr. Ulrich Speidel School of Computer Science Room 303S.594 (City Campus) The University of Auckland u.speidel@auckland.ac.nz http://www.cs.auckland.ac.nz/~ulrich/ ****************************************************************