📄 rfc1124.ps
字号:
2443(The)S2579(report)S2775(of)S2859(the)S2971(policy)S577 1461(p)U577 1377(working)U841(group)S1033(attempts)S1301(to)S1381(summarize)S1721(the)S1833(existing)S2085(policies)S2333(of)S2417(each)S2573(of)S2657(the)S2769(agencies,)S613 1461(articularly)U933(with)S1085(respect)S1313(to)S1393(interconnection)S1865(with)S2017(other)S2189(networks.)S2519(The)S2655(other)S2827(three)S3065 1545(f)U577 1629(t)U577 1545(working)U841(groups)S1061(focussed)S1337(on)S1433(the)S1545(technology)S1889(issues)S2085(needed)S2313(to)S2393(be)S2485(addressed)S2793(in)S2873(light)S3029(o)S597 1629(hose)U753(policies.)S1043(In)S1127(each)S1283(case,)S1449(the)S1561(working)S1825(group)S2017(report)S2213(discusses)S2505(the)S2617(issues)S2813(and)S2913 1713(y)U577 1797(p)U577 1713(develops)U857(an)S949(evolutionary)S1337(capability)S1645(with)S1797(the)S1909(goal)S2057(of)S2141(fully)S2301(addressing)S2633(the)S2745(agenc)S613 1797(olicies.)U867(Summaries)S1215(of)S1299(these)S1471(reports)S1695(are)S1807(contained)S2111(in)S2191(the)S2303(next)S2451(section.)S3115 1905(e)U577 1989(r)U727 1905(It)U795(is)S867(hoped)S1067(that)S1199(the)S1311(results)S1523(documented)S1899(in)S1979(this)S2107(report)S2303(will)S2439(help)S2587(the)S2699(FRICC)S2931(and)S3059(th)S601 1989(est)U705(of)S789(the)S901(research)S1165(community)S1517(in)S1597(achieving)S1901(this)S2029(exciting)S2285(objective:)S2593(a)S2649(national)S2905(research)S60 Z577 4413(L)U72 Z577 2073(networking)U929(capability.)S60 Z614 4413(einer)U2962([Page)S3119(2])SEP%%Page: ? 5BP3 F84 Z577 681(2)U1 F60 Z577 450(RFC)U710(1124)S1485(Network)S1715(Interconnec)S2000(tion)S2114(Issues)S2771(September)S3049(1989)S3 F84 Z619 681(.)U696(Workshop)S1103(Summary)S1 F72 Z727 789(D)U(riving)R975(the)S1087(workshop)S1395(were)S1559(the)S1671(policies)S1919(of)S2003(the)S2115(individual)S2431(agencies)S2703(and)S2831(a)S2887(desire)S3083(to)S577 957(p)U577 873(interconnect)U957(the)S1069(networks)S1357(in)S1437(a)S1493(way)S1637(that)S1769(was)S1905(satisfactory)S2261(to)S2341(those)S2517(agencies.)S2831(A)S2907(prime)S613 957(olicy)U781(driver)S977(appeared)S1261(to)S1341(be)S1433(OMB)S1621(Circular)S1881(A130,)S2083(which)S2283(states)S2467(that)S2599(appropriate)S3137 1041(s)U577 1125(n)U577 1041(mechanisms)U957(must)S1121(be)S1213(used)S1369(to)S1449(assure)S1653(some)S1829(level)S1993(of)S2077(accounting)S2417(for)S2525(the)S2637(use)S2757(of)S2841(the)S2953(variou)S613 1125(etworks.)U907(Another)S1167(important)S1471(policy)S1675(driver)S1871(was)S2007(the)S2119(need)S2279(for)S2387(agencies)S2659(to)S2739(assure)S2943(that)S577 1293(u)U577 1209(sharing)U813(of)S897(networks)S1185(did)S1301(not)S1417(adversely)S1717(impact)S1937(the)S2049(support)S2289(of)S2373(the)S2485(individual)S2801(agency)S613 1293(sers)U749(on)S845(their)S1001(speci\256c)S1245(networks.)S1575(This)S1727(led)S1839(in)S1919(some)S2095(cases)S2271(to)S2351(the)S2463(need)S2623(to)S2703(be)S2795(able)S2939(to)S3117 1377(k)U577 1461(t)U577 1377(dedicate)U841(a)S897(portion)S1129(\(sometimes)S1485(all)S1581(during)S1793(a)S1849(speci\256ed)S2129(time)S2281(period\))S2513(of)S2597(an)S2689(agency)S2917(networ)S597 1461(o)U657(supporting)S989(its)S1081(own)S1229(users.)S1443(Finally,)S1689(the)S1801(need)S1961(to)S2041(provide)S2285(appropriate)S2637(supporting)S2969(end-)S577 1629(s)U577 1545(to-end)U785(services,)S1059(including)S1355(security)S1607(issues,)S1821(led)S1933(to)S2013(the)S2125(need)S2285(for)S2393(coordinating)S2781(such)S605 1629(ervices.)U727 1737(T)U(o)R831(facilitate)S1107(the)S1219(discussion)S1543(of)S1627(the)S1739(technology)S2083(issues)S2279(and)S2407(the)S2519(presentation)S2895(of)S3073 1821(0)U577 1905(r)U577 1821(results,)U807(it)S871(was)S1007(decided)S1255(to)S1335(describe)S1599(the)S1711(evolution)S2007(of)S2091(capability)S2399(in)S2479(four)S2623(phases.)S2881(Phase)S601 1905(epresented)U933(currently)S1217(deployed)S1505(and)S1633(available)S1917(capability.)S2267(While)S2467(not)S2583(necessarily)S2927(being)S577 2073(v)U577 1989(currently)U861(used)S1017(for)S1125(the)S1237(support)S1477(of)S1561(the)S1673(policy)S1877(issues,)S2091(the)S2203(capabilities)S2555(of)S2639(Phase)S2831(0)S2891(were)S613 2073(iewed)U809(as)S893(being)S1077(currently)S1361(available)S1645(and)S1773(could)S1957(be)S2049(used)S2205(starting)S2445(today.)S2671(Phase)S2863(1)S2977 2157(f)U577 2241(s)U577 2157(consisted)U869(of)S953(capabilities)S1305(that)S1437(were)S1601(developed)S1921(and)S2049(deployed)S2337(at)S2413(a)S2469(limited)S2697(number)S2941(o)S605 2241(ites.)U771(Thus,)S957(the)S1069(issues)S1265(involved)S1541(in)S1621(using)S1801(such)S1957(capabilities)S2309(involved)S2585(mainly)S2809(those)S2985(of)S3093 2325(d)U577 2409(w)U577 2325(widespread)U929(deployment)S1293(\(plus)S1461(perhaps)S1709(some)S1885(limited)S2113(amount)S2353(of)S2437(development)S2833(associate)S629 2409(ith,)U747(e.g.,)S893(porting)S1125(of)S1209(software\).)S1547(Phase)S1739(2)S1799(represented)S2155(capabilities)S2507(that)S2639(were)S2803(relatively)S3137 2493(e)U577 2577(t)U577 2493(well)U725(understood)S1069(\(little)S1249(research)S1513(required\))S1801(but)S1917(would)S2121(require)S2349(development)S2745(activity)S2985(befor)S597 2577(hey)U725(could)S909(be)S1001(used)S1157(to)S1237(support)S1477(the)S1589(policies)S1837(for)S1945(interconnection.)S2459(Phase)S2651(3)S2711(capabilities)S577 2661(require)U805(research)S1069(to)S1149(achieve,)S1411(and)S1539(thus)S1683(represent)S1971(the)S2083(most)S2247(future)S2443(capability.)S727 2769(While)U927(these)S1099(phases)S1315(of)S1399(capability)S1707(represent)S1995(evolution)S2291(in)S2371(availability,)S2737(they)S2885(should)S577 2937(d)U577 2853(not)U693(be)S785(viewed)S1017(as)S1101(evolution)S1397(in)S1477(starting)S1717(time)S1869(for)S1977(action.)S2219(In)S2303(all)S2399(cases,)S2593(research)S2857(and)S613 2937(evelopment)U973(activities)S1257(would)S1461(have)S1621(to)S1701(start)S1849(today)S2033(in)S2113(order)S2289(that)S2421(these)S2593(capabilities)S2945(be)S577 3021(available)U861(in)S941(a)S997(timely)S1205(manner.)S727 3129(As)U831(the)S943(working)S1207(group)S1399(on)S1495(access)S1703(control)S1931(discussed)S2231(the)S2343(required)S2607(technologies)S2995(and)S3123 3213(l)U577 3297(p)U577 3213(mechanisms,)U975(it)S1039(became)S1283(clear)S1447(that)S1579(an)S1671(important)S1975(technology)S2319(driver)S2515(was)S2651(the)S2763(need)S2923(to)S3003(labe)S613 3297(ackets)U817(with)S969(the)S1081(appropriate)S1433(information)S1797(to)S1877(make)S2057(determinations)S2509(of)S2593(routing)S2825(and)S3005 3381(n)U577 3465(l)U577 3381(resource)U845(allocation)S1153(internal)S1397(to)S1477(the)S1589(interconnected)S2037(networks.)S2367(For)S2491(example,)S2777(if)S2845(certai)S597 3465(inks)U741(in)S821(a)S877(NASA)S1097(network)S1357(was)S1493(to)S1573(be)S1665(restricted)S1957(to)S2037(use)S2157(only)S2309(by)S2405(NASA)S2625(users)S2797(\(even)S2981(if)S3131 3549(h)U577 3633(l)U577 3549(accessing)U877(the)S989(network)S1249(through)S1497(an)S1589(NSF)S1745(network\),)S2047(it)S2111(would)S2315(be)S2407(necessary)S2711(to)S2791(provide)S3035(suc)S597 3633(abelling)U853(information)S1217(in)S1297(the)S1409(packet.)S1663(The)S1799(report)S1995(of)S2079(the)S2191(working)S2455(group)S2647(discusses)S2939(the)S3129 3717(d)U577 3801(s)U577 3717(information)U941(that)S1073(needs)S1261(to)S1341(be)S1433(carried)S1657(in)S1737(such)S1893(labels,)S2103(requirements)S2503(for)S2611(authentication,)S3061(an)S605 3801(ome)U753(potential)S1029(experiments)S1405(and)S1533(development)S1929(that)S2061(should)S2277(be)S2369(carried)S2593(out)S2709(to)S2789(achieve)S3033(the)S577 3885(required)U841(capability.)S727 3993(The)U863(working)S1127(group)S1319(on)S1415(resource)S1683(sharing)S1919(focussed)S2195(on)S2291(the)S2403(technologies)S2791(that)S2923(would)S3099 4077(t)U577 4161(e)U577 4077(allow)U761(fair)S885(sharing)S1121(of)S1205(resources)S1501(between)S1765(the)S1877(participating)S2265(agencies.)S2579(The)S2715(key)S2843(issue)S3011(tha)S609 4161(merged)U849(from)S1013(the)S1125(discussions)S1477(of)S1561(this)S1689(working)S1953(group)S2145(was)S2281(the)S2393(need)S2553(to)S2633(develop)S2885(global)S60 Z3149 4413(])U577(Leiner)S2962([Page)S3119(3)SEP%%Page: ? 6BP1 F60 Z577 450(R)U(FC)R710(1124)S1485(Network)S1715(Interconnec)S2000(tion)S2114(Issues)S2771(September)S3049(1989)S72 Z577 765(e)U577 681(algorithms)U909(that)S1041(permitted)S1341(sharing)S1577(and)S1705(prioritization)S2105(of)S2189(the)S2301(use)S2421(of)S2505(resources.)S2843(As)S2947(an)S609 765(xample,)U863(it)S927(is)S999(relatively)S1295(easy)S1447(for)S1555(an)S1647(agency)S1875(to)S1955(block)S2139(low-priority)S2511(traf\256c)S2707(from)S2871(traversing)S3127 849(d)U577 933(a)U577 849(its)U669(network)S929(during)S1141(a)S1197(period)S1405(of)S1489(high)S1641(internal)S1885(requirement.)S2299(It)S2367(is)S2439(not)S2555(so)S2643(easy)S2795(to)S2875(do)S2971(so)S3059(an)S609 933(ssure)U781(that)S913(the)S1025(external)S1281(users)S1453(still)S1585(can)S1709(receive)S1941(the)S2053(resources)S2349(they)S2497(need)S2657(from)S2821(the)S577 1017(interconnected)U1025(internet.)S727 1125(The)U863(working)S1127(group)S1319(on)S1415(end-to-end)S1751(services)S2007(focussed)S2283(on)S2379(those)S2555(services)S2811(that)S2943(are)S3115 1209(d)U577 1293(a)U577 1209(required)U841(from)S1005(a)S1061(user's)S1257(perspective)S1609(from)S1773(the)S1885(overall)S2109(system,)S2351(and)S2479(need)S2639(to)S2719(be)S2811(coordinate)S609 1293(cross)U781(the)S893(interconnected)S1341(networks.)S1671(For)S1795(example,)S2081(directory)S2365(and)S2493(security)S2745(services)S3001(must)S577 1461(g)U577 1377(be)U669(provided)S949(across)S1153(the)S1265(interconnected)S1713(system.)S1979(The)S2115(key)S2243(element)S2495(emerging)S2791(from)S2955(the)S613 1461(roup)U769(discussions)S1121(was)S1257(the)S1369(need)S1529(to)S1609(establish)S1885(a)S1941(consistent)S2253(set)S2357(of)S2441(mechanisms)S2821(to)S2959 1545(e)U577 1629(m)U577 1545(interconnect)U957(the)S1069(various)S1305(end-to-end)S1641(services.)S1939(These)S2135(must)S2299(be)S2391(provided)S2671(in)S2751(a)S2807(secur)S633 1629(anner)U817(to)S897(assure)S1101(that)S1233(the)S1345(security)S1597(services)S1853(ful\256ll)S2037(their)S2193(function.)S3059 1737(d)U577 1821(a)U727 1737(The)U863(working)S1127(groups)S1347(identi\256ed)S1643(the)S1755(need)S1915(to)S1995(carry)S2167(out)S2283(supporting)S2615(experiments)S2991(an)S609 1821(nalysis)U833(to)S913(carry)S1085(forward)S1337(the)S1449(interconnection)S1921(of)S2005(the)S2117(networks,)S2423(e.g.,)S2569(to)S2649(make)S2829(decisions)S577 1989(p)U577 1905(about)U761(the)S873(need)S1033(for)S1141(stream)S1357(versus)S1565(transaction)S1905(support.)S2187(Each)S2355(group)S2547(developed)S2867(a)S2923(set)S3027(of)S613 1989(ossible)U837(experiments)S1213(and)S1341(activities)S1625(in)S1705(accordance)S2053(with)S2205(the)S2317(phases)S2533(of)S2617(development)S577 2073(discussed)U877(above.)S1115(These)S1311(are)S1423(summarized)S1799(in)S1879(Tables)S2095(I-III.)S727 2181(A)U803(number)S1047(of)S1131(possible)S1391(follow-on)S1699(activities)S1983(were)S2147(identi\256ed)S2443(to)S2523(be)S2615(passed)S2831(on)S2927(to)S3007(the)S577 2265(various)U813(Task)S977(Forces)S1193(of)S1277(the)S1389(IAB.)S1579(These)S1775(are)S1887(shown)S2099(in)S2179(Table)S2367(IV.)S727 2373(In)U811(summary,)S1121(the)S1233(workshop)S1541(identi\256ed)S1837(a)S1893(number)S2137(of)S2221(critical)S2445(issues)S2641(and)S2769(identi\256ed)S3019 2457(e)U577 2541(r)U577 2457(areas)U749(where)S949(further)S1169(research)S1433(and)S1561(experimentation)S2053(is)S2125(required.)S2431(It)S2499(is)S2571(hoped)S2771(that)S2903(thes)S601 2541(esults)U789(help)S937(provide)S1181(a)S1237(``road)S1437(map'')S1633(for)S1741(how)S1889(to)S1969(satisfy)S2181(agency)S2409(policies)S2657(and)S
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -