<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><br></div>Hi John,<div><br></div><div><div><blockquote type="cite"><div><blockquote style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px 0px 0px 40px; border: medium; padding: 0px;"><div>I guess that it might be helpful to get some more insight into the expected operating environment, since going by the draft as written it would appear that celestial body based issuance would require deep space operators to carry additional and distinctly non-aggregataable routes for all elements served that have celestial-based allocations… </div></blockquote></div></blockquote><div><br></div><div><br></div><div>That’s exactly backwards. The intent is to provide aggregation along celestial body lines.</div><div><br></div><div>The network operating environment is pretty spartan. Deep space communications are expensive, slow, and have major outages when physics precludes the connection. Redundancy is luxury for the distant future. There will be relay nodes in place, and eventually many different surface networks that will be interconnected. Those networks are deployed by a number of different space agencies, who are <span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);">somewhat </span>mutually cooperative, but need gudiance about network architecture. </div><div><br></div><div>Now, according to current policies, each of these agencies will use part of their own address space allocations, presumably one prefix per network. As those allocations are from different RIRs and different blocks, all of those prefixes will result in explicit routes carried across interplanetary links. </div><div><br></div><div>By doing allocation along celestial bodies, each agency will be able to get a prefix for their network from the common block for that specific body. These can then be aggregated when they hit interplanetary links, resulting in minimal overhead.</div><div><br></div><div>Regards,</div><div>Tony</div><div><br></div><div><br></div></div></div></body></html>